2008-12-18 22:28:57 +01:00
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/*
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2009-01-21 21:04:20 +01:00
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* Cppcheck - A tool for static C/C++ code analysis
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2015-01-03 12:14:58 +01:00
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* Copyright (C) 2007-2015 Daniel Marjamäki and Cppcheck team.
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2008-12-18 22:28:57 +01:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2009-09-27 17:08:31 +02:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2008-12-18 22:28:57 +01:00
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*/
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#include "testsuite.h"
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2009-10-25 12:49:06 +01:00
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#include "tokenize.h"
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2011-08-19 20:35:25 +02:00
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#include "checkunusedvar.h"
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2008-12-18 22:28:57 +01:00
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2011-10-13 20:53:06 +02:00
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class TestUnusedVar : public TestFixture {
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2008-12-18 22:28:57 +01:00
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public:
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2014-11-20 14:20:09 +01:00
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TestUnusedVar() : TestFixture("TestUnusedVar") {
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2013-08-07 16:27:37 +02:00
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}
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2008-12-18 22:28:57 +01:00
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private:
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2014-11-20 14:20:09 +01:00
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void run() {
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2014-02-01 22:40:35 +01:00
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TEST_CASE(emptyclass); // #5355 - False positive: Variable is not assigned a value.
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TEST_CASE(emptystruct); // #5355 - False positive: Variable is not assigned a value.
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2009-01-05 16:49:57 +01:00
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TEST_CASE(structmember1);
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TEST_CASE(structmember2);
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TEST_CASE(structmember3);
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2009-01-10 15:39:20 +01:00
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TEST_CASE(structmember4);
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2009-01-11 15:39:52 +01:00
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TEST_CASE(structmember5);
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2009-10-17 17:36:55 +02:00
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TEST_CASE(structmember6);
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2010-04-09 19:55:41 +02:00
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TEST_CASE(structmember7);
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TEST_CASE(structmember8);
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2010-09-04 11:21:34 +02:00
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TEST_CASE(structmember9); // #2017 - struct is inherited
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2011-12-18 20:15:41 +01:00
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TEST_CASE(structmember_extern); // No false positives for extern structs
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2010-12-05 18:33:53 +01:00
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TEST_CASE(structmember10);
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2012-11-18 15:24:47 +01:00
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TEST_CASE(structmember11); // #4168 - initialization with {} / passed by address to unknown function
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2010-02-18 19:55:47 +01:00
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2010-02-18 18:45:13 +01:00
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TEST_CASE(localvar1);
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TEST_CASE(localvar2);
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TEST_CASE(localvar3);
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TEST_CASE(localvar4);
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TEST_CASE(localvar5);
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2010-03-16 19:25:10 +01:00
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TEST_CASE(localvar6);
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2010-04-09 23:36:32 +02:00
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TEST_CASE(localvar7);
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2010-04-15 18:44:52 +02:00
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TEST_CASE(localvar8);
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2010-04-16 16:25:57 +02:00
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TEST_CASE(localvar9); // ticket #1605
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2010-04-24 09:45:03 +02:00
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TEST_CASE(localvar10);
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2010-04-24 12:21:26 +02:00
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TEST_CASE(localvar11);
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2010-05-01 10:26:15 +02:00
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TEST_CASE(localvar12);
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2010-05-01 21:15:14 +02:00
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TEST_CASE(localvar13); // ticket #1640
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2010-05-09 07:10:51 +02:00
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TEST_CASE(localvar14); // ticket #5
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2010-05-23 10:41:05 +02:00
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TEST_CASE(localvar15);
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2010-05-26 19:22:35 +02:00
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TEST_CASE(localvar16); // ticket #1709
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2010-06-01 20:00:43 +02:00
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TEST_CASE(localvar17); // ticket #1720
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2010-06-03 07:05:57 +02:00
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TEST_CASE(localvar18); // ticket #1723
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2010-06-08 18:24:42 +02:00
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TEST_CASE(localvar19); // ticket #1776
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2010-06-21 18:12:01 +02:00
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TEST_CASE(localvar20); // ticket #1799
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2010-06-22 17:04:11 +02:00
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TEST_CASE(localvar21); // ticket #1807
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2010-06-25 07:52:12 +02:00
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TEST_CASE(localvar22); // ticket #1811
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2010-06-29 08:38:24 +02:00
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TEST_CASE(localvar23); // ticket #1808
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2010-07-07 08:39:18 +02:00
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TEST_CASE(localvar24); // ticket #1803
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2010-07-08 08:42:34 +02:00
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TEST_CASE(localvar25); // ticket #1729
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2010-08-07 15:53:51 +02:00
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TEST_CASE(localvar26); // ticket #1894
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2010-11-02 20:01:12 +01:00
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TEST_CASE(localvar27); // ticket #2160
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2010-11-15 17:30:07 +01:00
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TEST_CASE(localvar28); // ticket #2205
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2010-11-15 17:53:55 +01:00
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TEST_CASE(localvar29); // ticket #2206 (array initialization)
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2010-12-03 18:45:49 +01:00
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TEST_CASE(localvar30);
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2010-12-19 18:27:31 +01:00
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TEST_CASE(localvar31); // ticket #2286
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2010-12-21 08:13:40 +01:00
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TEST_CASE(localvar32); // ticket #2330
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2010-12-25 19:17:53 +01:00
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TEST_CASE(localvar33); // ticket #2346
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2010-12-27 15:12:17 +01:00
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TEST_CASE(localvar34); // ticket #2368
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2011-02-09 19:20:44 +01:00
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TEST_CASE(localvar35); // ticket #2535
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2011-06-08 19:54:01 +02:00
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TEST_CASE(localvar36); // ticket #2805
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2011-09-04 20:48:05 +02:00
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TEST_CASE(localvar37); // ticket #3078
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2011-12-18 20:15:41 +01:00
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TEST_CASE(localvar38);
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2011-12-30 09:47:15 +01:00
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TEST_CASE(localvar39); // ticket #3454
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2012-01-08 08:44:18 +01:00
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TEST_CASE(localvar40); // ticket #3473
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2014-10-16 10:59:46 +02:00
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TEST_CASE(localvar41); // ticket #3603
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TEST_CASE(localvar42); // ticket #3742
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TEST_CASE(localvar43); // ticket #3602
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TEST_CASE(localvar44); // ticket #4020
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TEST_CASE(localvar45); // ticket #4899
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TEST_CASE(localvar46); // ticket #5491 (C++11 style initialization)
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2015-04-13 21:21:57 +02:00
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TEST_CASE(localvar47); // ticket #6603
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2015-08-27 23:56:26 +02:00
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TEST_CASE(localvar48); // ticket #6954
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2010-04-30 21:36:48 +02:00
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TEST_CASE(localvaralias1);
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TEST_CASE(localvaralias2); // ticket #1637
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2010-05-04 17:26:09 +02:00
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TEST_CASE(localvaralias3); // ticket #1639
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2010-05-04 17:28:03 +02:00
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TEST_CASE(localvaralias4); // ticket #1643
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2010-05-05 17:31:07 +02:00
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TEST_CASE(localvaralias5); // ticket #1647
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2010-06-06 20:37:48 +02:00
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TEST_CASE(localvaralias6); // ticket #1729
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2010-06-23 06:54:14 +02:00
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TEST_CASE(localvaralias7); // ticket #1732
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2010-07-12 09:50:18 +02:00
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TEST_CASE(localvaralias8);
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2010-08-31 20:33:28 +02:00
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TEST_CASE(localvaralias9); // ticket #1996
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2010-08-31 20:58:37 +02:00
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TEST_CASE(localvaralias10); // ticket #2004
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2013-02-16 16:07:05 +01:00
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TEST_CASE(localvaralias11); // ticket #4423 - iterator
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2013-02-20 17:43:16 +01:00
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TEST_CASE(localvaralias12); // ticket #4394
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2013-03-20 06:38:53 +01:00
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TEST_CASE(localvaralias13); // ticket #4487
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2010-03-31 20:20:51 +02:00
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TEST_CASE(localvarasm);
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2010-06-24 17:00:32 +02:00
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TEST_CASE(localvarstatic);
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2012-06-28 17:22:56 +02:00
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TEST_CASE(localvarextern);
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2011-07-15 01:15:59 +02:00
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TEST_CASE(localvardynamic1);
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TEST_CASE(localvardynamic2); // ticket #2904
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2012-01-08 08:31:00 +01:00
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TEST_CASE(localvardynamic3); // ticket #3467
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2011-05-11 18:58:25 +02:00
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TEST_CASE(localvararray1); // ticket #2780
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2011-12-26 08:12:23 +01:00
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TEST_CASE(localvararray2); // ticket #3438
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2012-08-25 13:07:33 +02:00
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TEST_CASE(localvararray3); // ticket #3980
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2011-07-22 00:37:37 +02:00
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TEST_CASE(localvarstring1);
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TEST_CASE(localvarstring2); // ticket #2929
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2012-02-25 12:56:33 +01:00
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TEST_CASE(localvarconst1);
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TEST_CASE(localvarconst2);
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2010-02-18 18:45:13 +01:00
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2012-03-26 21:19:42 +02:00
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TEST_CASE(localvarthrow); // ticket #3687
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2012-07-24 20:47:29 +02:00
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TEST_CASE(localVarStd);
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2010-02-18 18:45:13 +01:00
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// Don't give false positives for variables in structs/unions
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TEST_CASE(localvarStruct1);
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TEST_CASE(localvarStruct2);
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TEST_CASE(localvarStruct3);
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2011-07-01 03:58:11 +02:00
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TEST_CASE(localvarStruct5);
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2011-07-01 14:45:29 +02:00
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TEST_CASE(localvarStruct6);
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2012-02-26 08:29:02 +01:00
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TEST_CASE(localvarStructArray);
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2010-02-18 18:45:13 +01:00
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TEST_CASE(localvarOp); // Usage with arithmetic operators
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TEST_CASE(localvarInvert); // Usage with inverted variable
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TEST_CASE(localvarIf); // Usage in if
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TEST_CASE(localvarIfElse); // return tmp1 ? tmp2 : tmp3;
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TEST_CASE(localvarOpAssign); // a |= b;
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TEST_CASE(localvarFor); // for ( ; var; )
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2012-12-17 18:19:05 +01:00
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TEST_CASE(localvarForEach); // #4155 - BOOST_FOREACH, hlist_for_each, etc
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2010-12-02 20:08:05 +01:00
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TEST_CASE(localvarShift1); // 1 >> var
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TEST_CASE(localvarShift2); // x = x >> 1
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2012-01-23 08:02:59 +01:00
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TEST_CASE(localvarShift3); // x << y
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2010-05-09 07:15:40 +02:00
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TEST_CASE(localvarCast);
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2010-06-10 07:21:47 +02:00
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TEST_CASE(localvarClass);
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2010-06-14 15:46:57 +02:00
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TEST_CASE(localvarUnused);
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2010-06-21 18:12:01 +02:00
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TEST_CASE(localvarFunction); // ticket #1799
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2011-09-11 08:19:35 +02:00
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TEST_CASE(localvarIfNOT); // #3104 - if ( NOT var )
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2012-03-21 18:40:32 +01:00
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TEST_CASE(localvarAnd); // #3672
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2012-04-28 15:43:42 +02:00
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TEST_CASE(localvarSwitch); // #3744 - false positive when localvar is used in switch
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2012-09-30 17:22:35 +02:00
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TEST_CASE(localvarNULL); // #4203 - Setting NULL value is not redundant - it is safe
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2013-03-28 06:44:37 +01:00
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TEST_CASE(localvarUnusedGoto); // #4447, #4558 goto
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2012-08-10 12:36:08 +02:00
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2014-09-30 12:39:27 +02:00
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TEST_CASE(localvarCpp11Initialization);
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2014-08-31 19:46:30 +02:00
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TEST_CASE(chainedAssignment); // #5466
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2012-08-10 12:36:08 +02:00
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TEST_CASE(crash1);
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2013-04-01 12:41:14 +02:00
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TEST_CASE(crash2);
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2013-02-14 06:31:41 +01:00
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TEST_CASE(usingNamespace); // #4585
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2008-12-18 22:28:57 +01:00
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}
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2014-11-20 14:20:09 +01:00
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void checkStructMemberUsage(const char code[]) {
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2010-06-18 07:19:26 +02:00
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// Clear the error buffer..
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errout.str("");
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2010-12-01 18:00:55 +01:00
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Settings settings;
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2011-08-07 09:28:08 +02:00
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settings.addEnabled("style");
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2010-12-01 18:00:55 +01:00
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// Tokenize..
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Tokenizer tokenizer(&settings, this);
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std::istringstream istr(code);
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2010-06-18 07:19:26 +02:00
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tokenizer.tokenize(istr, "test.cpp");
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// Check for unused variables..
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2011-08-19 20:35:25 +02:00
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CheckUnusedVar checkUnusedVar(&tokenizer, &settings, this);
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checkUnusedVar.checkStructMemberUsage();
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2010-06-18 07:19:26 +02:00
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}
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2014-02-01 22:40:35 +01:00
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// #5355 - False positive: Variable is not assigned a value.
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2014-11-20 14:20:09 +01:00
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void emptyclass() {
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2014-02-01 22:40:35 +01:00
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functionVariableUsage("class Carla {\n"
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"};\n"
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"class Fred : Carla {\n"
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"};\n"
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"void foo() {\n"
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" Fred fred;\n"
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" throw fred;\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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}
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// #5355 - False positive: Variable is not assigned a value.
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2014-11-20 14:20:09 +01:00
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void emptystruct() {
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2014-02-01 22:40:35 +01:00
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functionVariableUsage("struct Fred {\n"
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"};\n"
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"void foo() {\n"
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" Fred fred;\n"
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" throw fred;\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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}
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2014-11-20 14:20:09 +01:00
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void structmember1() {
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2010-06-18 07:19:26 +02:00
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checkStructMemberUsage("struct abc\n"
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"{\n"
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" int a;\n"
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" int b;\n"
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" int c;\n"
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2013-03-20 15:36:16 +01:00
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"};");
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2015-09-22 16:38:23 +02:00
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ASSERT_EQUALS("[test.cpp:3]: (style) struct member 'abc::a' is never used.\n"
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"[test.cpp:4]: (style) struct member 'abc::b' is never used.\n"
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"[test.cpp:5]: (style) struct member 'abc::c' is never used.\n", errout.str());
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checkStructMemberUsage("union abc\n"
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"{\n"
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" int a;\n"
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" int b;\n"
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" int c;\n"
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"};");
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ASSERT_EQUALS("[test.cpp:3]: (style) union member 'abc::a' is never used.\n"
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"[test.cpp:4]: (style) union member 'abc::b' is never used.\n"
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"[test.cpp:5]: (style) union member 'abc::c' is never used.\n", errout.str());
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2015-09-24 18:29:08 +02:00
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checkStructMemberUsage("struct A\n"
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"{\n"
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" int a;\n"
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"};\n"
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"struct B\n"
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"{\n"
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" int a;\n"
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"};\n"
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"void foo()\n"
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"{\n"
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" A a;\n"
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" a.a;\n"
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"}");
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ASSERT_EQUALS("[test.cpp:7]: (style) struct member 'B::a' is never used.\n", errout.str());
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checkStructMemberUsage("struct A\n"
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"{\n"
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" int a;\n"
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"};\n"
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"struct B\n"
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"{\n"
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" int a;\n"
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"};\n"
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"void foo(A* a)\n"
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"{\n"
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" a->a;\n"
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"}");
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ASSERT_EQUALS("[test.cpp:7]: (style) struct member 'B::a' is never used.\n", errout.str());
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2015-09-25 12:57:11 +02:00
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checkStructMemberUsage("struct A\n"
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"{\n"
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" int a;\n"
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"};\n"
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"struct B\n"
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"{\n"
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" int a;\n"
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|
"};\n"
|
|
|
|
"A& bar();\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bar().a;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (style) struct member 'B::a' is never used.\n", errout.str());
|
2008-12-18 22:28:57 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember2() {
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct ABC\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
" int c;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct ABC abc;\n"
|
|
|
|
" int a = abc.a;\n"
|
|
|
|
" int b = abc.b;\n"
|
|
|
|
" int c = abc.c;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2009-06-05 02:39:36 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2008-12-18 22:28:57 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember3() {
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct ABC\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
" int c;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"static struct ABC abc[] = { {1, 2, 3} };\n"
|
|
|
|
"\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = abc[0].a;\n"
|
|
|
|
" int b = abc[0].b;\n"
|
|
|
|
" int c = abc[0].c;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2009-06-05 02:39:36 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2009-01-10 15:39:20 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember4() {
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct ABC\n"
|
|
|
|
"{\n"
|
|
|
|
" const int a;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" ABC abc;\n"
|
|
|
|
" if (abc.a == 2);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2009-06-05 02:39:36 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2009-01-11 15:39:52 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember5() {
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
" void reset()\n"
|
|
|
|
" {\n"
|
|
|
|
" a = 1;\n"
|
|
|
|
" b = 2;\n"
|
|
|
|
" }\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct AB ab;\n"
|
|
|
|
" ab.reset();\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2009-06-05 02:39:36 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2008-12-18 22:28:57 +01:00
|
|
|
}
|
2009-10-17 17:36:55 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember6() {
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo(char *buf)\n"
|
|
|
|
"{\n"
|
|
|
|
" struct AB *ab = (struct AB *)&buf[10];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
checkStructMemberUsage("struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo(char *buf)\n"
|
|
|
|
"{\n"
|
|
|
|
" struct AB *ab = (AB *)&buf[10];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2009-10-17 19:31:14 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2009-10-17 17:36:55 +02:00
|
|
|
}
|
2010-02-18 19:55:47 +01:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember7() {
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo(struct AB *ab)\n"
|
|
|
|
"{\n"
|
|
|
|
" ab->a = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
checkStructMemberUsage("struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo(struct AB _shuge *ab)\n"
|
|
|
|
"{\n"
|
|
|
|
" ab->a = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-09 19:55:41 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember8() {
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"void foo(char *ab)\n"
|
|
|
|
"{\n"
|
|
|
|
" ((AB *)ab)->b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-09 19:55:41 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember9() {
|
2010-09-04 11:21:34 +02:00
|
|
|
checkStructMemberUsage("struct base {\n"
|
|
|
|
" int a;\n"
|
|
|
|
"};\n"
|
|
|
|
"\n"
|
|
|
|
"struct derived : public base {"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-09-04 11:21:34 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember10() {
|
2010-12-05 18:33:53 +01:00
|
|
|
// Fred may have some useful side-effects
|
|
|
|
checkStructMemberUsage("struct abc {\n"
|
|
|
|
" Fred fred;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"};");
|
2010-12-05 18:33:53 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember11() { // #4168
|
2012-11-18 15:24:47 +01:00
|
|
|
checkStructMemberUsage("struct abc { int x; };\n"
|
|
|
|
"struct abc s = {0};\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"void f() { do_something(&s); }");
|
2012-11-18 15:24:47 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
checkStructMemberUsage("struct abc { int x; };\n"
|
|
|
|
"struct abc s = {0};\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"void f() { }");
|
2012-11-18 15:24:47 +01:00
|
|
|
TODO_ASSERT_EQUALS("abc::x is not used", "", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void structmember_extern() {
|
2010-04-17 11:16:05 +02:00
|
|
|
// extern struct => no false positive
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("extern struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"} ab;\n"
|
|
|
|
"\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" ab.b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-17 11:16:05 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
// global linkage => no false positive
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"} ab;\n"
|
|
|
|
"\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" ab.b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-17 11:16:05 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
// static linkage => error message
|
2010-06-18 07:19:26 +02:00
|
|
|
checkStructMemberUsage("static struct AB\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b;\n"
|
|
|
|
"} ab;\n"
|
|
|
|
"\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" ab.b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2015-09-22 16:38:23 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) struct member 'AB::a' is never used.\n", errout.str());
|
2010-04-17 11:16:05 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void functionVariableUsage(const char code[], const char filename[]="test.cpp") {
|
2010-02-18 18:45:13 +01:00
|
|
|
// Clear the error buffer..
|
|
|
|
errout.str("");
|
|
|
|
|
2010-12-01 18:00:55 +01:00
|
|
|
Settings settings;
|
2011-08-07 09:28:08 +02:00
|
|
|
settings.addEnabled("style");
|
2010-12-01 18:00:55 +01:00
|
|
|
|
|
|
|
// Tokenize..
|
|
|
|
Tokenizer tokenizer(&settings, this);
|
|
|
|
std::istringstream istr(code);
|
2012-08-12 12:01:24 +02:00
|
|
|
if (!tokenizer.tokenize(istr, filename))
|
|
|
|
return;
|
2010-06-18 07:19:26 +02:00
|
|
|
|
2010-02-18 18:45:13 +01:00
|
|
|
// Check for unused variables..
|
2011-08-19 20:35:25 +02:00
|
|
|
CheckUnusedVar checkUnusedVar(&tokenizer, &settings, this);
|
|
|
|
checkUnusedVar.checkFunctionVariableUsage();
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar1() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i(0);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-07-07 08:50:34 +02:00
|
|
|
// if a is undefined then Cppcheck can't determine if "int i(a)" is a
|
|
|
|
// * variable declaration
|
|
|
|
// * function declaration
|
2010-05-01 09:26:47 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i(a);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int j = 0;\n"
|
|
|
|
" int i(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int j = 0;\n"
|
|
|
|
" int & i = j;\n"
|
2012-09-02 18:50:17 +02:00
|
|
|
" x(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-09-02 18:50:17 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int j = 0;\n"
|
|
|
|
" const int & i = j;\n"
|
2012-09-02 18:50:17 +02:00
|
|
|
" x(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-09-02 18:50:17 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int j = 0;\n"
|
|
|
|
" int & i(j);\n"
|
2012-09-02 18:50:17 +02:00
|
|
|
" x(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int j = 0;\n"
|
|
|
|
" const int & i(j);\n"
|
2012-09-02 18:50:17 +02:00
|
|
|
" x(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * j = 0;\n"
|
|
|
|
" int * i(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * j = 0;\n"
|
|
|
|
" const int * i(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool i = false;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool i = true;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char *i;\n"
|
|
|
|
" i = fgets();\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
// undefined variables are not reported because they may be classes with constructors
|
|
|
|
functionVariableUsage("undefined foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" undefined i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2012-06-22 15:59:41 +02:00
|
|
|
functionVariableUsage("undefined foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" undefined i = 0;\n"
|
|
|
|
"}\n",
|
|
|
|
"test.c");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.c:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2012-06-22 15:59:41 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = undefined;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void * i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const void * i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct S * i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const struct S * i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-01 09:26:47 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct S & i = j;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const struct S & i = j;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" undefined * i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0;\n"
|
|
|
|
" int j = i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'j' is assigned a value that is never used.\n", errout.str());
|
2010-04-30 18:11:51 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i[10] = { 0 };\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-30 18:11:51 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo(int n)\n"
|
|
|
|
"{\n"
|
|
|
|
" int i[n] = { 0 };\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-30 18:11:51 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char i[10] = \"123456789\";\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-30 18:11:51 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char *i = \"123456789\";\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2012-09-02 18:50:17 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2012-09-04 13:06:04 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0,code=10;\n"
|
|
|
|
" for(i = 0; i < 10; i++) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-09-04 13:06:04 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0,code=10,d=10;\n"
|
|
|
|
" for(i = 0; i < 10; i++) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
" d = code;\n"
|
2012-09-04 13:06:04 +02:00
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (style) Variable 'd' is assigned a value that is never used.\n", errout.str());
|
2012-09-04 13:06:04 +02:00
|
|
|
|
2012-11-28 06:11:33 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0,code=10,d=10;\n"
|
|
|
|
" for(i = 0; i < 10; i++) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" g(d);\n"
|
|
|
|
" d = code;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-28 06:11:33 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2012-12-04 21:39:51 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0,code=10,d=10;\n"
|
|
|
|
" for(i = 0; i < 10; i++) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" if (i == 3) {\n"
|
|
|
|
" return d;\n"
|
|
|
|
" }\n"
|
|
|
|
" d = code;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-04 21:39:51 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0,a=10,b=20;\n"
|
|
|
|
" for(i = 0; i < 10; i++) {\n"
|
|
|
|
" std::cout<<a<<std::endl;\n"
|
|
|
|
" int tmp=a;\n"
|
|
|
|
" a=b;\n"
|
|
|
|
" b=tmp;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-04 21:39:51 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2012-09-04 13:06:04 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10;\n"
|
|
|
|
" while(code < 20) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-09-04 13:06:04 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10,d=10;\n"
|
|
|
|
" while(code < 20) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" d += code;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (style) Variable 'd' is assigned a value that is never used.\n", errout.str());
|
2012-09-04 13:06:04 +02:00
|
|
|
|
2012-11-28 06:11:33 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10,d=10;\n"
|
|
|
|
" while(code < 20) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" g(d);\n"
|
|
|
|
" d += code;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-28 06:11:33 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2012-12-04 21:39:51 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10,d=10;\n"
|
|
|
|
" while(code < 20) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" if (i == 3) {\n"
|
|
|
|
" return d;\n"
|
|
|
|
" }\n"
|
|
|
|
" d += code;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-04 21:39:51 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a=10,b=20;\n"
|
|
|
|
" while(a != 30) {\n"
|
|
|
|
" std::cout<<a<<std::endl;\n"
|
|
|
|
" int tmp=a;\n"
|
|
|
|
" a=b;\n"
|
|
|
|
" b=tmp;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-04 21:39:51 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2012-11-28 06:11:33 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10;\n"
|
|
|
|
" do {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
2012-12-03 21:49:53 +01:00
|
|
|
" } while(code < 20);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-28 06:11:33 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10,d=10;\n"
|
|
|
|
" do {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" d += code;\n"
|
2012-12-03 21:49:53 +01:00
|
|
|
" } while(code < 20);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-28 06:11:33 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (style) Variable 'd' is assigned a value that is never used.\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10,d=10;\n"
|
|
|
|
" do {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" g(d);\n"
|
|
|
|
" d += code;\n"
|
2012-12-03 21:49:53 +01:00
|
|
|
" } while(code < 20);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-04 21:39:51 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10,d=10;\n"
|
|
|
|
" do {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" if (i == 3) {\n"
|
|
|
|
" return d;\n"
|
|
|
|
" }\n"
|
|
|
|
" d += code;\n"
|
|
|
|
" } while(code < 20);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-04 21:39:51 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a=10,b=20;\n"
|
|
|
|
" do {\n"
|
|
|
|
" std::cout<<a<<std::endl;\n"
|
|
|
|
" int tmp=a;\n"
|
|
|
|
" a=b;\n"
|
|
|
|
" b=tmp;\n"
|
2012-12-07 01:48:27 +01:00
|
|
|
" } while( a!=30 );\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-28 06:11:33 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2012-09-04 13:06:04 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10;\n"
|
|
|
|
" for(int i=0; i < 10; i++) {\n"
|
|
|
|
" if(true) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-09-04 13:06:04 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10;\n"
|
|
|
|
" for(int i=0; i < 10; i++) {\n"
|
|
|
|
" if(true) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" }\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-09-04 13:06:04 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10;\n"
|
|
|
|
" while(code < 20) {\n"
|
|
|
|
" if(true) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-09-04 13:06:04 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-11-28 06:11:33 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int code=10;\n"
|
|
|
|
" do {\n"
|
|
|
|
" if(true) {\n"
|
|
|
|
" std::cout<<code<<std::endl;\n"
|
|
|
|
" code += 2;\n"
|
|
|
|
" }\n"
|
2012-12-03 21:49:53 +01:00
|
|
|
" } while(code < 20);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-28 06:11:33 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2014-08-03 19:13:37 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo(int j = 0) {\n" // #5985 - default function parameters should not affect checking results
|
|
|
|
" int i = 0;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar2() {
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
2010-02-18 18:45:13 +01:00
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("bool foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
// undefined variables are not reported because they may be classes with constructors
|
|
|
|
functionVariableUsage("undefined foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" undefined i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2012-06-22 15:59:41 +02:00
|
|
|
functionVariableUsage("undefined foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" undefined i;\n"
|
|
|
|
" return i;\n"
|
|
|
|
"}\n",
|
|
|
|
"test.c");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.c:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2012-06-22 15:59:41 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("undefined *foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" undefined * i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int *foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("const int *foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const int * i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct S *foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct S * i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("const struct S *foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const struct S * i;\n"
|
|
|
|
" return i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-04-30 18:11:51 +02:00
|
|
|
// assume f() can write a
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" f(a[0]);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-04-30 18:11:51 +02:00
|
|
|
// assume f() can write a
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" f(a[0], 0);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-04-30 18:11:51 +02:00
|
|
|
// assume f() can write a
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" f(0, a[0]);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-04-30 18:11:51 +02:00
|
|
|
// assume f() can write a
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" f(0, a[0], 0);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
// f() can not write a (not supported yet)
|
|
|
|
functionVariableUsage("void f(int i) { }\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" f(a[0]);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'a' is not assigned a value.\n",
|
2011-01-30 12:54:19 +01:00
|
|
|
"", errout.str());
|
2010-04-30 18:11:51 +02:00
|
|
|
|
|
|
|
// f() can not write a (not supported yet)
|
|
|
|
functionVariableUsage("void f(const int & i) { }\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" f(a[0]);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'a' is not assigned a value.\n",
|
2011-01-30 12:54:19 +01:00
|
|
|
"", errout.str());
|
2010-04-30 18:11:51 +02:00
|
|
|
|
|
|
|
// f() writes a
|
|
|
|
functionVariableUsage("void f(int & i) { }\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" f(a[0]);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar3() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
|
|
|
" if ( abc )\n"
|
|
|
|
" ;\n"
|
|
|
|
" else i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar4() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0;\n"
|
|
|
|
" f(i);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i = 0;\n"
|
|
|
|
" f(&i);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar5() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 0;\n"
|
|
|
|
" b = (char)a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar6() {
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" for (int i=0;i<10;++i)\n"
|
|
|
|
" b[i] = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-03-16 19:25:10 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 0;\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" for (int i=0;i<10;++i)\n"
|
|
|
|
" b[i] = ++a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-03-16 19:25:10 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar7() { // ticket 1253
|
2010-04-09 23:36:32 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
|
|
|
" i--;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-09 23:36:32 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
2010-04-15 18:44:52 +02:00
|
|
|
" int &ii(i);\n"
|
2010-04-09 23:36:32 +02:00
|
|
|
" ii--;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-09 23:36:32 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
2010-04-15 18:44:52 +02:00
|
|
|
" int &ii=i;\n"
|
2010-04-09 23:36:32 +02:00
|
|
|
" ii--;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is not assigned a value.\n", errout.str());
|
2010-04-09 23:36:32 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar8() {
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int i[2];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void * i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const void * i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" A * i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct A * i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const struct A * i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
|
|
|
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * i[2];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-01-30 12:54:19 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", "", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const int * i[2];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-01-30 12:54:19 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", "", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void * i[2];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-01-30 12:54:19 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", "", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" const void * i[2];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-01-30 12:54:19 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", "", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" struct A * i[2];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-01-30 12:54:19 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", "", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" const struct A * i[2];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-01-30 12:54:19 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", "", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
2010-04-30 18:11:51 +02:00
|
|
|
functionVariableUsage("void foo(int n)\n"
|
|
|
|
"{\n"
|
|
|
|
" int i[n];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
|
|
|
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" int i = 0;\n"
|
|
|
|
" int &j = i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'j' is assigned a value that is never used.\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" int i;\n"
|
|
|
|
" int &j = i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:4]: (style) Variable 'j' is assigned a value that is never used.\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" int i;\n"
|
|
|
|
" int &j = i;\n"
|
|
|
|
" j = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
2012-12-29 12:45:37 +01:00
|
|
|
functionVariableUsage("double foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" double i = 0.0;\n"
|
|
|
|
" const double j = i;\n"
|
|
|
|
" return j;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-29 12:45:37 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" A * i;\n"
|
|
|
|
" i->f();\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" char * i;\n"
|
|
|
|
" if (i);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char * i = 0;\n"
|
|
|
|
" if (i);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char * i = new char[10];\n"
|
|
|
|
" if (i);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char *i;\n"
|
|
|
|
" f(i);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-15 18:44:52 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int a;\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" return &a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-15 18:44:52 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2010-04-16 15:57:09 +02:00
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *p = a;\n"
|
|
|
|
" for (int i = 0; i < 10; i++)\n"
|
|
|
|
" p[i] = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-16 15:57:09 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2010-04-15 18:44:52 +02:00
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *p = &a[0];\n"
|
|
|
|
" for (int i = 0; i < 10; i++)\n"
|
|
|
|
" p[i] = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-16 15:57:09 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int x;\n"
|
|
|
|
" a[0] = 0;\n"
|
|
|
|
" x = a[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'x' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a, b, c;\n"
|
2010-05-05 19:34:03 +02:00
|
|
|
" a = b = c = f();\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'a' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'b' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'c' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int * foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" return &undefined[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-15 18:44:52 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar9() {
|
2010-04-16 16:25:57 +02:00
|
|
|
// ticket #1605
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" for (int i = 0; i < 10; )\n"
|
|
|
|
" a[i++] = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-24 09:45:03 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar10() {
|
2010-04-24 09:45:03 +02:00
|
|
|
functionVariableUsage("void foo(int x)\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
|
|
|
" if (x) {\n"
|
|
|
|
" int i;\n"
|
|
|
|
" } else {\n"
|
|
|
|
" int i;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n"
|
|
|
|
"[test.cpp:5]: (style) Unused variable: i\n"
|
|
|
|
"[test.cpp:7]: (style) Unused variable: i\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo(int x)\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
|
|
|
" if (x)\n"
|
|
|
|
" int i;\n"
|
|
|
|
" else\n"
|
|
|
|
" int i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n"
|
|
|
|
"[test.cpp:5]: (style) Unused variable: i\n"
|
|
|
|
"[test.cpp:7]: (style) Unused variable: i\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo(int x)\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
|
|
|
" if (x) {\n"
|
|
|
|
" int i;\n"
|
|
|
|
" } else {\n"
|
|
|
|
" int i = 0;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 09:45:03 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: i\n"
|
|
|
|
"[test.cpp:5]: (style) Unused variable: i\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:7]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-04-24 09:45:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo(int x)\n"
|
|
|
|
"{\n"
|
|
|
|
" int i;\n"
|
|
|
|
" if (x) {\n"
|
|
|
|
" int i;\n"
|
|
|
|
" } else {\n"
|
|
|
|
" int i;\n"
|
|
|
|
" }\n"
|
2010-04-27 05:05:32 +02:00
|
|
|
" i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:9]: (style) Variable 'i' is assigned a value that is never used.\n"
|
2010-04-24 09:45:03 +02:00
|
|
|
"[test.cpp:5]: (style) Unused variable: i\n"
|
|
|
|
"[test.cpp:7]: (style) Unused variable: i\n", errout.str());
|
2010-04-16 16:25:57 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar11() {
|
2010-04-24 12:21:26 +02:00
|
|
|
functionVariableUsage("void foo(int x)\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 0;\n"
|
|
|
|
" if (x == 1)\n"
|
|
|
|
" {\n"
|
|
|
|
" a = 123;\n" // redundant assignment
|
|
|
|
" return;\n"
|
|
|
|
" }\n"
|
|
|
|
" x = a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-24 12:21:26 +02:00
|
|
|
|
|
|
|
// The variable 'a' is initialized. But the initialized value is
|
|
|
|
// never used. It is only initialized for security reasons.
|
|
|
|
functionVariableUsage("void foo(int x)\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 0;\n"
|
|
|
|
" if (x == 1)\n"
|
|
|
|
" a = 123;\n"
|
|
|
|
" else if (x == 2)\n"
|
|
|
|
" a = 456;\n"
|
|
|
|
" else\n"
|
|
|
|
" return;\n"
|
|
|
|
" x = a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-24 12:21:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar12() {
|
2010-05-01 10:26:15 +02:00
|
|
|
// ticket #1574
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a, b, c, d, e, f;\n"
|
|
|
|
" a = b = c = d = e = f = 0;\n"
|
|
|
|
"\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-05-01 10:26:15 +02:00
|
|
|
ASSERT_EQUALS(
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:4]: (style) Variable 'a' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'b' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'c' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'd' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'e' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'f' is assigned a value that is never used.\n",
|
2010-05-01 11:54:04 +02:00
|
|
|
errout.str());
|
2010-05-01 10:26:15 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a, b, c = 0;\n"
|
|
|
|
" a = b = c;\n"
|
|
|
|
"\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-05-01 10:26:15 +02:00
|
|
|
|
|
|
|
TODO_ASSERT_EQUALS(
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:4]: (style) Variable 'a' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'b' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:3]: (style) Variable 'c' is assigned a value that is never used.\n",
|
2011-01-30 12:54:19 +01:00
|
|
|
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:4]: (style) Variable 'a' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'b' is assigned a value that is never used.\n",
|
2010-05-01 11:54:04 +02:00
|
|
|
errout.str());
|
2010-05-01 10:26:15 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar13() { // ticket #1640
|
2010-05-01 21:15:14 +02:00
|
|
|
functionVariableUsage("void foo( OBJECT *obj )\n"
|
|
|
|
"{\n"
|
|
|
|
" int x;\n"
|
|
|
|
" x = obj->ySize / 8;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'x' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 21:15:14 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar14() {
|
2010-05-09 07:10:51 +02:00
|
|
|
// ticket #5
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-05-09 07:10:51 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: a\n", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar15() {
|
2010-06-18 07:19:26 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 5;\n"
|
|
|
|
" int b[a];\n"
|
|
|
|
" b[0] = 0;\n"
|
|
|
|
" return b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-23 10:41:05 +02:00
|
|
|
|
2010-06-18 07:19:26 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 5;\n"
|
|
|
|
" int * b[a];\n"
|
|
|
|
" b[0] = &c;\n"
|
|
|
|
" return *b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-23 10:41:05 +02:00
|
|
|
|
2010-06-18 07:19:26 +02:00
|
|
|
functionVariableUsage("int * foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 5;\n"
|
|
|
|
" const int * b[a];\n"
|
|
|
|
" b[0] = &c;\n"
|
|
|
|
" return b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-23 10:41:05 +02:00
|
|
|
|
2010-06-18 07:19:26 +02:00
|
|
|
functionVariableUsage("struct B * foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 5;\n"
|
|
|
|
" struct B * b[a];\n"
|
|
|
|
" b[0] = &c;\n"
|
|
|
|
" return b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-23 10:41:05 +02:00
|
|
|
|
2010-06-18 07:19:26 +02:00
|
|
|
functionVariableUsage("const struct B * foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 5;\n"
|
|
|
|
" const struct B * b[a];\n"
|
|
|
|
" b[0] = &c;\n"
|
|
|
|
" return b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-23 10:41:05 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar16() { // ticket #1709
|
2010-06-18 07:19:26 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[5];\n"
|
|
|
|
" char *ptr = buf;\n"
|
|
|
|
" *(ptr++) = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'buf' is assigned a value that is never used.\n", errout.str());
|
2010-05-26 19:22:35 +02:00
|
|
|
|
2010-06-18 07:19:26 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[5];\n"
|
|
|
|
" char *ptr = buf - 1;\n"
|
|
|
|
" *(++ptr) = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'buf' is not assigned a value.\n", errout.str());
|
2012-06-24 16:54:37 +02:00
|
|
|
|
|
|
|
// #3910
|
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" char buf[5];\n"
|
|
|
|
" char *data[2];\n"
|
|
|
|
" data[0] = buf;\n"
|
|
|
|
" do_something(data);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-06-24 16:54:37 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" char buf1[5];\n"
|
|
|
|
" char buf2[5];\n"
|
|
|
|
" char *data[2];\n"
|
|
|
|
" data[0] = buf1;\n"
|
|
|
|
" data[1] = buf2;\n"
|
|
|
|
" do_something(data);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-06-24 16:54:37 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-26 19:22:35 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar17() { // ticket #1720
|
2010-06-02 18:10:32 +02:00
|
|
|
// Don't crash when checking the code below!
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct DATA *data;\n"
|
|
|
|
" char *k = data->req;\n"
|
|
|
|
" char *ptr;\n"
|
|
|
|
" char *line_start;\n"
|
|
|
|
" ptr = data->buffer;\n"
|
|
|
|
" line_start = ptr;\n"
|
|
|
|
" data->info = k;\n"
|
|
|
|
" line_start = ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:10]: (style) Variable 'line_start' is assigned a value that is never used.\n", errout.str());
|
2010-06-01 20:00:43 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar18() { // ticket #1723
|
2010-06-03 07:05:57 +02:00
|
|
|
functionVariableUsage("A::A(int iValue) {\n"
|
|
|
|
" UserDefinedException* pe = new UserDefinedException();\n"
|
|
|
|
" throw pe;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-03 07:05:57 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar19() { // ticket #1776
|
2010-06-08 18:24:42 +02:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int c;\n"
|
|
|
|
" c = *(a);\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'a' is not assigned a value.\n"
|
|
|
|
"[test.cpp:4]: (style) Variable 'c' is assigned a value that is never used.\n", errout.str());
|
2010-06-08 18:24:42 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar20() { // ticket #1799
|
2010-06-21 18:12:01 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char c1 = 'c';\n"
|
|
|
|
" char c2[] = { c1 };\n"
|
|
|
|
" a(c2);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar21() { // ticket #1807
|
2010-06-22 17:04:11 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buffer[1024];\n"
|
|
|
|
" bar((void *)buffer);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar22() { // ticket #1811
|
2010-06-25 07:52:12 +02:00
|
|
|
functionVariableUsage("int foo(int u, int v)\n"
|
|
|
|
"{\n"
|
|
|
|
" int h, i;\n"
|
|
|
|
" h = 0 ? u : v;\n"
|
|
|
|
" i = 1 ? u : v;\n"
|
|
|
|
" return h + i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-25 07:52:12 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar23() { // ticket #1808
|
2010-06-29 08:38:24 +02:00
|
|
|
functionVariableUsage("int foo(int c)\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" a = b[c] = 0;\n"
|
|
|
|
" return a;\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-06-29 08:38:24 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar24() { // ticket #1803
|
2010-07-07 08:39:18 +02:00
|
|
|
functionVariableUsage("class MyException\n"
|
|
|
|
"{\n"
|
|
|
|
" virtual void raise() const\n"
|
|
|
|
" {\n"
|
|
|
|
" throw *this;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-07-07 08:39:18 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar25() { // ticket #1729
|
2010-07-08 08:42:34 +02:00
|
|
|
functionVariableUsage("int main() {\n"
|
|
|
|
" int ppos = 1;\n"
|
|
|
|
" int pneg = 0;\n"
|
|
|
|
" const char*edge = ppos? \" +\" : pneg ? \" -\" : \"\";\n"
|
|
|
|
" printf(\"This should be a '+' -> %s\n\", edge);\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-07-08 08:42:34 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar26() { // ticket #1894
|
2010-08-07 15:53:51 +02:00
|
|
|
functionVariableUsage("int main() {\n"
|
|
|
|
" const Fred &fred = getfred();\n"
|
|
|
|
" int *p = fred.x();\n"
|
|
|
|
" *p = 0;"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-08-07 15:53:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar27() { // ticket #2160
|
2010-11-02 20:01:12 +01:00
|
|
|
functionVariableUsage("void f(struct s *ptr) {\n"
|
|
|
|
" int param = 1;\n"
|
|
|
|
" ptr->param = param++;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-11-02 20:01:12 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar28() { // ticket #2205
|
2010-11-15 17:30:07 +01:00
|
|
|
functionVariableUsage("void f(char* buffer, int value) {\n"
|
|
|
|
" char* pos = buffer;\n"
|
|
|
|
" int size = value;\n"
|
|
|
|
" *(int*)pos = size;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-11-15 17:30:07 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar29() { // ticket #2206
|
2010-11-15 17:53:55 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" float s_ranges[] = { 0, 256 };\n"
|
|
|
|
" float* ranges[] = { s_ranges };\n"
|
|
|
|
" cout << ranges[0][0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-11-15 17:53:55 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar30() { // ticket #2264
|
2010-12-03 18:45:49 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" Engine *engine = e;\n"
|
|
|
|
" x->engine = engine->clone();\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-03 18:45:49 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar31() { // ticket #2286
|
2010-12-19 18:27:31 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int x = 0;\n"
|
|
|
|
" a.x = x - b;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-19 18:27:31 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
2010-12-21 19:02:00 +01:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar32() {
|
2013-08-27 06:47:06 +02:00
|
|
|
// ticket #2330 - fstream >> x
|
2010-12-21 08:13:40 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
2010-12-21 19:02:00 +01:00
|
|
|
" int x;\n"
|
2010-12-21 08:13:40 +01:00
|
|
|
" fstream &f = getfile();\n"
|
|
|
|
" f >> x;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-21 08:13:40 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2013-08-27 06:47:06 +02:00
|
|
|
|
|
|
|
// ticket #4596 - if (c >>= x) {}
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int x;\n"
|
|
|
|
" C c;\n" // possibly some stream class
|
|
|
|
" if (c >>= x) {}\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2013-08-27 15:57:38 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int x;\n"
|
|
|
|
" C c;\n"
|
|
|
|
" if (c >>= x) {}\n"
|
|
|
|
"}", "test.c");
|
|
|
|
TODO_ASSERT_EQUALS("[test.c:2]: (style) Variable 'x' is not assigned a value.\n",
|
|
|
|
"[test.c:2]: (style) Variable 'x' is not assigned a value.\n"
|
|
|
|
"[test.c:3]: (style) Variable 'c' is not assigned a value.\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void f(int c) {\n"
|
|
|
|
" int x;\n"
|
|
|
|
" if (c >> x) {}\n"
|
|
|
|
"}");
|
2014-07-02 00:17:35 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'x' is not assigned a value.\n", errout.str());
|
2014-07-17 09:33:07 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int x, y;\n"
|
|
|
|
" std::cin >> x >> y;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int x, y;\n"
|
|
|
|
" std::cin >> (x >> y);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'x' is not assigned a value.\n"
|
|
|
|
"[test.cpp:2]: (style) Variable 'y' is not assigned a value.\n", errout.str());
|
2010-12-21 08:13:40 +01:00
|
|
|
}
|
2010-12-19 18:27:31 +01:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar33() { // ticket #2345
|
2010-12-25 19:17:53 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" Abc* abc = getabc();\n"
|
|
|
|
" while (0 != (abc = abc->next())) {\n"
|
|
|
|
" ++nOldNum;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-25 19:17:53 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar34() { // ticket #2368
|
2010-12-27 20:49:07 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int i = 0;\n"
|
|
|
|
" if (false) {\n"
|
|
|
|
" } else {\n"
|
|
|
|
" j -= i;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-27 20:49:07 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-12-27 15:12:17 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar35() { // ticket #2535
|
2011-02-09 19:20:44 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int a, b;\n"
|
|
|
|
" x(1,a,b);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-02-09 19:20:44 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar36() { // ticket #2805
|
2011-06-08 19:54:01 +02:00
|
|
|
functionVariableUsage("int f() {\n"
|
|
|
|
" int a, b;\n"
|
|
|
|
" a = 2 * (b = 3);\n"
|
|
|
|
" return a + b;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-06-08 19:54:01 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-11-15 08:36:43 +01:00
|
|
|
|
|
|
|
functionVariableUsage("int f() {\n" // ticket #4318
|
|
|
|
" int a,b;\n"
|
|
|
|
" x(a, b=2);\n" // <- if param2 is passed-by-reference then b might be used in x
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-15 08:36:43 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2011-06-08 19:54:01 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar37() { // ticket #3078
|
2011-09-04 20:48:05 +02:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int a = 2;\n"
|
|
|
|
" ints.at(a) = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-09-04 20:48:05 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar38() {
|
2011-12-18 20:15:41 +01:00
|
|
|
functionVariableUsage("std::string f() {\n"
|
|
|
|
" const char code[] = \"foo\";\n"
|
|
|
|
" const std::string s1(sizeof_(code));\n"
|
|
|
|
" const std::string s2 = sizeof_(code);\n"
|
|
|
|
" return(s1+s2);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-12-18 20:15:41 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar39() {
|
2011-12-30 09:47:15 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int a = 1;\n"
|
|
|
|
" foo(x*a);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-12-30 09:47:15 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar40() {
|
2012-01-08 08:44:18 +01:00
|
|
|
functionVariableUsage("int f() {\n"
|
|
|
|
" int a = 1;\n"
|
|
|
|
" return x & a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-01-08 08:44:18 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar41() {
|
2012-02-19 15:25:46 +01:00
|
|
|
// #3603 - false positive 'x is assigned a value that is never used'
|
|
|
|
functionVariableUsage("int f() {\n"
|
|
|
|
" int x = 1;\n"
|
|
|
|
" int y = FOO::VALUE * x;\n"
|
|
|
|
" return y;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-02-19 15:25:46 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar42() { // #3742
|
2012-04-19 10:08:51 +02:00
|
|
|
functionVariableUsage("float g_float = 1;\n"
|
|
|
|
"extern void SomeTestFunc(float);\n"
|
|
|
|
"void MyFuncError()\n"
|
|
|
|
"{\n"
|
|
|
|
" const float floatA = 2.2f;\n"
|
|
|
|
" const float floatTot = g_float * floatA;\n"
|
|
|
|
" SomeTestFunc(floatTot);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-04-19 10:08:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("float g_float = 1;\n"
|
|
|
|
"extern void SomeTestFunc(float);\n"
|
|
|
|
"void MyFuncNoError()\n"
|
|
|
|
"{\n"
|
|
|
|
" const float floatB = 2.2f;\n"
|
|
|
|
" const float floatTot = floatB * g_float;\n"
|
|
|
|
" SomeTestFunc(floatTot);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-04-19 10:08:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("float g_float = 1;\n"
|
|
|
|
"extern void SomeTestFunc(float);\n"
|
|
|
|
"void MyFuncNoError2()\n"
|
|
|
|
"{\n"
|
2013-03-04 20:14:56 +01:00
|
|
|
" const float floatC = 2.2f;\n"
|
2012-04-19 10:08:51 +02:00
|
|
|
" float floatTot = g_float * floatC;\n"
|
|
|
|
" SomeTestFunc(floatTot);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-04-19 10:08:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar43() { // ticket #3602 (false positive)
|
2012-04-27 02:05:45 +02:00
|
|
|
functionVariableUsage("void bar()\n"
|
2012-07-16 14:02:33 +02:00
|
|
|
"{\n"
|
2012-04-27 02:05:45 +02:00
|
|
|
" int * piArray = NULL;\n"
|
|
|
|
" unsigned int uiArrayLength = 2048;\n"
|
|
|
|
" unsigned int uiIndex;\n"
|
2012-07-16 14:02:33 +02:00
|
|
|
"\n"
|
2012-04-27 02:05:45 +02:00
|
|
|
" try\n"
|
|
|
|
" {\n"
|
2012-07-16 14:02:33 +02:00
|
|
|
" piArray = new int[uiArrayLength];\n" // Allocate memory
|
2012-04-27 02:05:45 +02:00
|
|
|
" }\n"
|
|
|
|
" catch (...)\n"
|
|
|
|
" {\n"
|
2012-07-16 14:02:33 +02:00
|
|
|
" SOME_MACRO\n"
|
|
|
|
" delete [] piArray;\n"
|
|
|
|
" return;\n"
|
2012-04-27 02:05:45 +02:00
|
|
|
" }\n"
|
|
|
|
" for (uiIndex = 0; uiIndex < uiArrayLength; uiIndex++)\n"
|
|
|
|
" {\n"
|
2012-07-16 14:02:33 +02:00
|
|
|
" piArray[uiIndex] = -1234;\n"
|
2012-04-27 02:05:45 +02:00
|
|
|
" }\n"
|
|
|
|
" delete [] piArray;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-04-27 02:05:45 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar44() { // #4020 - FP
|
2012-08-22 19:47:46 +02:00
|
|
|
functionVariableUsage("void func() {\n"
|
|
|
|
" int *sp_mem[2] = { 0x00, 0x00 };\n"
|
|
|
|
" int src = 1, dst = 2;\n"
|
|
|
|
" sp_mem[(dst + i)][3] = src;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvar45() { // #4899 - FP
|
2013-09-03 17:02:46 +02:00
|
|
|
functionVariableUsage("int func() {\n"
|
|
|
|
" int a = 123;\n"
|
|
|
|
" int b = (short)-a;;\n"
|
|
|
|
" return b;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-12-07 15:32:09 +01:00
|
|
|
void localvar46() { // #5491/#5494/#6301
|
2014-08-05 15:33:57 +02:00
|
|
|
functionVariableUsage("int func() {\n"
|
|
|
|
" int i = 0;\n"
|
|
|
|
" int j{i};\n"
|
|
|
|
" return j;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("int func() {\n"
|
|
|
|
" std::mutex m;\n"
|
|
|
|
" std::unique_lock<std::mutex> l{ m };\n"
|
|
|
|
" return 0;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2014-12-07 15:32:09 +01:00
|
|
|
|
|
|
|
functionVariableUsage("int func() {\n"
|
|
|
|
" std::shared_lock<std::shared_timed_mutex> lock( m );\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2014-08-05 15:33:57 +02:00
|
|
|
}
|
|
|
|
|
2015-04-13 21:21:57 +02:00
|
|
|
void localvar47() { // #6603
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" int (SfxUndoManager::*retrieveCount)(bool) const\n"
|
|
|
|
" = (flag) ? &SfxUndoManager::foo : &SfxUndoManager::bar;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'retrieveCount' is assigned a value that is never used.\n", errout.str());
|
|
|
|
}
|
|
|
|
|
2015-08-27 23:56:26 +02:00
|
|
|
void localvar48() { // #6954
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" long (*pKoeff)[256] = new long[9][256];\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias1() {
|
2010-04-24 10:35:41 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int *b = &a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:4]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int *b = a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:4]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int *b = &a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" char *b = (char *)&a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-01 09:26:47 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" char *b = (char *)(&a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" const char *b = (const char *)&a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" const char *b = (const char *)(&a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" char *b = static_cast<char *>(&a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-01 09:26:47 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" const char *b = static_cast<const char *>(&a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
2010-05-04 17:28:03 +02:00
|
|
|
// a is not a local variable and b is aliased to it
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("int a;\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = &a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-04 17:28:03 +02:00
|
|
|
// a is not a local variable and b is aliased to it
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo(int a)\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = &a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-04 17:28:03 +02:00
|
|
|
// a is not a local variable and b is aliased to it
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("class A\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" void foo()\n"
|
|
|
|
" {\n"
|
|
|
|
" int *b = &a;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int a;\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = &a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo(int a)\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = &a;\n"
|
2010-04-24 10:35:41 +02:00
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-24 10:35:41 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("class A\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" void foo()\n"
|
|
|
|
" {\n"
|
|
|
|
" int *b = &a;\n"
|
|
|
|
" *b = 0;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-04-24 10:35:41 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
2010-04-29 07:10:50 +02:00
|
|
|
" char *b = (char *)a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-01 09:26:47 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" char *b = (char *)(a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" const char *b = (const char *)a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" const char *b = (const char *)(a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" char *b = static_cast<char *>(a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-01 09:26:47 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" const char *b = static_cast<const char *>(a);\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
2010-04-24 10:35:41 +02:00
|
|
|
" int *b = a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
2010-05-04 17:28:03 +02:00
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" int *c = b;\n"
|
|
|
|
" *c = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" int *c = b;\n"
|
|
|
|
" *c = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" int *c = b;\n"
|
|
|
|
" *c = b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" int *c;\n"
|
|
|
|
" *c = b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'c' is not assigned a value.\n", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" int c = b[0];\n"
|
2012-09-02 18:50:17 +02:00
|
|
|
" x(c);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" int c = b[0];\n"
|
2012-09-02 18:50:17 +02:00
|
|
|
" x(c);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = &a[0];\n"
|
|
|
|
" a[0] = b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = &a[0];\n"
|
|
|
|
" a[0] = b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" a[0] = b[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
2010-04-29 07:10:50 +02:00
|
|
|
functionVariableUsage("void foo(int a[10])\n"
|
|
|
|
"{\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" *b = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("class A\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" void foo()\n"
|
|
|
|
" {\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" *b = 0;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int *b = a;\n"
|
|
|
|
" int *c = b;\n"
|
|
|
|
" *c = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" int *c = a;\n"
|
|
|
|
" int *d = b;\n"
|
|
|
|
" *d = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:7]: (style) Variable 'b' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:5]: (style) Variable 'c' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" int *c = a;\n"
|
|
|
|
" c = b;\n"
|
|
|
|
" *c = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:7]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10];\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" int *c = a;\n"
|
|
|
|
" c = b;\n"
|
|
|
|
" *c = 0;\n"
|
|
|
|
" c = a;\n"
|
|
|
|
" *c = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:9]: (style) Variable 'a' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:7]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10], * b = a + 10;\n"
|
|
|
|
" b[-10] = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10], * b = a + 10;\n"
|
|
|
|
" b[-10] = 0;\n"
|
|
|
|
" int * c = b - 10;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'a' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:5]: (style) Variable 'c' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10], * b = a + 10;\n"
|
|
|
|
" int * c = b - 10;\n"
|
|
|
|
" x = c[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'a' is not assigned a value.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10], * b = a + 10;\n"
|
|
|
|
" int * c = b - 10;\n"
|
|
|
|
" c[1] = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-04-29 07:10:50 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10], * b = a + 10;\n"
|
|
|
|
" int * c = b - 10;\n"
|
|
|
|
" c[1] = c[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-29 07:10:50 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a[10], * b = a + 10;\n"
|
|
|
|
" int * c = b - 10;\n"
|
|
|
|
" int d = c[0];\n"
|
|
|
|
" f(d);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'a' is not assigned a value.\n", errout.str());
|
2010-04-30 18:11:51 +02:00
|
|
|
|
2012-12-28 18:18:36 +01:00
|
|
|
functionVariableUsage("void foo() {\n" // #4022 - FP (a is assigned a value that is never used)
|
|
|
|
" int a[2], *b[2];\n"
|
|
|
|
" a[0] = 123;\n"
|
|
|
|
" b[0] = &a[0];\n"
|
|
|
|
" int *d = b[0];\n"
|
|
|
|
" return *d;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-28 18:18:36 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo() {\n" // #4022 - FP (a is assigned a value that is never used)
|
|
|
|
" entry a[2], *b[2];\n"
|
|
|
|
" a[0].value = 123;\n"
|
|
|
|
" b[0] = &a[0];\n"
|
|
|
|
" int d = b[0].value;\n"
|
|
|
|
" return d;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-28 18:18:36 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2010-04-30 18:11:51 +02:00
|
|
|
functionVariableUsage("struct S { char c[100]; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char a[100];\n"
|
|
|
|
" struct S * s = (struct S *)a;\n"
|
|
|
|
" s->c[0] = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct S { char c[100]; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char a[100];\n"
|
|
|
|
" struct S * s = (struct S *)a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-05-01 09:26:47 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:5]: (style) Variable 's' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct S { char c[100]; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char a[100];\n"
|
|
|
|
" const struct S * s = (const struct S *)a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-05-01 09:26:47 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:5]: (style) Variable 's' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct S { char c[100]; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char a[100];\n"
|
|
|
|
" struct S * s = static_cast<struct S *>(a);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-05-01 09:26:47 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:5]: (style) Variable 's' is assigned a value that is never used.\n", errout.str());
|
2010-05-01 09:26:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct S { char c[100]; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char a[100];\n"
|
|
|
|
" const struct S * s = static_cast<const struct S *>(a);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-04-30 18:11:51 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Unused variable: a\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:5]: (style) Variable 's' is assigned a value that is never used.\n", errout.str());
|
2010-06-16 17:57:56 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" int c[10];\n"
|
|
|
|
" int *d;\n"
|
|
|
|
" d = b;\n"
|
|
|
|
" d = a;\n"
|
|
|
|
" d = c;\n"
|
|
|
|
" *d = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Unused variable: b\n"
|
2012-11-01 18:40:20 +01:00
|
|
|
"[test.cpp:10]: (style) Variable 'c' is assigned a value that is never used.\n", errout.str());
|
2010-06-16 17:57:56 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int a[10];\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int b[10];\n"
|
|
|
|
" int c[10];\n"
|
|
|
|
" int *d;\n"
|
|
|
|
" d = b; *d = 0;\n"
|
|
|
|
" d = a; *d = 0;\n"
|
|
|
|
" d = c; *d = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (style) Variable 'b' is assigned a value that is never used.\n"
|
|
|
|
"[test.cpp:9]: (style) Variable 'c' is assigned a value that is never used.\n", errout.str());
|
2010-04-24 10:35:41 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias2() { // ticket 1637
|
2010-04-30 21:36:48 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * a;\n"
|
2012-09-02 18:50:17 +02:00
|
|
|
" x(a);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-04-30 21:36:48 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias3() { // ticket 1639
|
2010-05-04 17:26:09 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" BROWSEINFO info;\n"
|
|
|
|
" char szDisplayName[MAX_PATH];\n"
|
|
|
|
" info.pszDisplayName = szDisplayName;\n"
|
|
|
|
" SHBrowseForFolder(&info);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:26:09 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias4() { // ticket 1643
|
2010-05-04 17:28:03 +02:00
|
|
|
functionVariableUsage("struct AB { int a; int b; } ab;\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * a = &ab.a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct AB { int a; int b; } ab;\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int * a = &ab.a;\n"
|
|
|
|
" *a = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct AB { int a; int b; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct AB ab;\n"
|
|
|
|
" int * a = &ab.a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ab' is not assigned a value.\n"
|
|
|
|
"[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct AB { int a; int b; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct AB ab;\n"
|
|
|
|
" int * a = &ab.a;\n"
|
|
|
|
" *a = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-04 17:28:03 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias5() { // ticket 1647
|
2010-05-05 17:31:07 +02:00
|
|
|
functionVariableUsage("char foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *p = &buf[0];\n"
|
|
|
|
" *p++ = 0;\n"
|
|
|
|
" return buf[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-05 17:31:07 +02:00
|
|
|
|
|
|
|
functionVariableUsage("char foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *p = &buf[1];\n"
|
|
|
|
" *p-- = 0;\n"
|
|
|
|
" return buf[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-05 17:31:07 +02:00
|
|
|
|
|
|
|
functionVariableUsage("char foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *p = &buf[0];\n"
|
|
|
|
" *++p = 0;\n"
|
|
|
|
" return buf[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-05 17:31:07 +02:00
|
|
|
|
|
|
|
functionVariableUsage("char foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *p = &buf[1];\n"
|
|
|
|
" *--p = 0;\n"
|
|
|
|
" return buf[0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-05 17:31:07 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias6() { // ticket 1729
|
2010-06-06 20:37:48 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" buf[0] = 1;\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" } else {\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" }\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2010-07-07 08:26:24 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-06 20:37:48 +02:00
|
|
|
|
2010-07-08 07:59:47 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" buf[0] = 1;\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" }\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'buf' is assigned a value that is never used.\n", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" buf[0] = 1;\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" }\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'buf' is assigned a value that is never used.\n", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" }\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: buf\n", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" }\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
2010-06-06 20:37:48 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" char vdata[8];\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" buf[0] = 1;\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" } else {\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" }\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2010-07-07 08:26:24 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" char vdata[8];\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" buf[0] = 1;\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" }\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (style) Variable 'buf' is assigned a value that is never used.\n", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" char vdata[8];\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" buf[0] = 1;\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" }\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (style) Variable 'buf' is assigned a value that is never used.\n", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" char vdata[8];\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" }\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: buf\n", errout.str());
|
2010-07-08 07:59:47 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char buf[8];\n"
|
|
|
|
" char *srcdata;\n"
|
|
|
|
" char vdata[8];\n"
|
|
|
|
" if (a()) {\n"
|
|
|
|
" srcdata = vdata;\n"
|
|
|
|
" }\n"
|
|
|
|
" srcdata = buf;\n"
|
|
|
|
" b(srcdata);\n"
|
|
|
|
"}");
|
2010-07-12 09:50:18 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Unused variable: vdata\n", errout.str());
|
2010-06-06 20:37:48 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias7() { // ticket 1732
|
2010-06-23 06:54:14 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char *c[10];\n"
|
|
|
|
" char **cp;\n"
|
|
|
|
" cp = c;\n"
|
|
|
|
" *cp = 0;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias8() {
|
2010-07-12 09:50:18 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" else\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" else {\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" }\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" else {\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" }\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: b1\n"
|
|
|
|
"[test.cpp:4]: (style) Unused variable: b2\n"
|
|
|
|
"[test.cpp:5]: (style) Unused variable: b3\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" else\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" else {\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" else {\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char b1[8];\n"
|
|
|
|
" char b2[8];\n"
|
|
|
|
" char b3[8];\n"
|
|
|
|
" char b4[8];\n"
|
|
|
|
" char *pb;\n"
|
|
|
|
" if (a == 1)\n"
|
|
|
|
" pb = b1;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 2)\n"
|
|
|
|
" pb = b2;\n"
|
|
|
|
" else {\n"
|
|
|
|
" if (a == 3)\n"
|
|
|
|
" pb = b3;\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
|
|
|
" pb = b4;\n"
|
|
|
|
" b(pb);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: b1\n"
|
|
|
|
"[test.cpp:4]: (style) Unused variable: b2\n"
|
|
|
|
"[test.cpp:5]: (style) Unused variable: b3\n", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias9() { // ticket 1996
|
2010-08-31 20:33:28 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Foo foo;\n"
|
|
|
|
" Foo &ref = foo;\n"
|
|
|
|
" ref[0] = 123;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-06-22 15:59:41 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Foo foo;\n"
|
|
|
|
" Foo &ref = foo;\n"
|
|
|
|
" ref[0] = 123;\n"
|
|
|
|
"}",
|
|
|
|
"test.c");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.c:5]: (style) Variable 'foo' is assigned a value that is never used.\n", errout.str());
|
2010-08-31 20:33:28 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias10() { // ticket 2004
|
2010-08-31 20:58:37 +02:00
|
|
|
functionVariableUsage("void foo(Foo &foo)\n"
|
|
|
|
"{\n"
|
|
|
|
" Foo &ref = foo;\n"
|
|
|
|
" int *x = &ref.x();\n"
|
|
|
|
" *x = 0;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-06-22 15:59:41 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo(Foo &foo)\n"
|
|
|
|
"{\n"
|
|
|
|
" Foo &ref = foo;\n"
|
|
|
|
" int *x = &ref.x;\n"
|
|
|
|
" *x = 0;\n"
|
|
|
|
"}",
|
|
|
|
"test.c");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-08-31 20:58:37 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias11() { // #4423 - iterator
|
2013-02-16 16:07:05 +01:00
|
|
|
functionVariableUsage("void f(Foo &foo) {\n"
|
|
|
|
" std::set<int>::iterator x = foo.dostuff();\n"
|
|
|
|
" *(x) = 0;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias12() { // #4394
|
2013-02-20 17:43:16 +01:00
|
|
|
functionVariableUsage("void f(void) {\n"
|
|
|
|
" int a[4];\n"
|
|
|
|
" int *b = (int*)((int*)a+1);\n"
|
|
|
|
" x(b);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2013-03-04 19:13:49 +01:00
|
|
|
|
|
|
|
functionVariableUsage("int f(void) {\n" // #4628
|
|
|
|
" int x=1,y;\n"
|
|
|
|
" y = (x * a) / 100;\n"
|
|
|
|
" return y;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2013-03-04 19:13:49 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2013-02-20 17:43:16 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvaralias13() { // #4487
|
2013-03-20 06:38:53 +01:00
|
|
|
functionVariableUsage("void f(char *p) {\n"
|
|
|
|
" char a[4];\n"
|
|
|
|
" p = a;\n"
|
|
|
|
" strcpy(p, \"x\");\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void f(char *p) {\n"
|
|
|
|
" char a[4];\n"
|
|
|
|
" p = a;\n"
|
|
|
|
" strcpy(p, \"x\");\n"
|
|
|
|
"}");
|
|
|
|
TODO_ASSERT_EQUALS("a is assigned value that is never used", "", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarasm() {
|
2010-03-31 20:20:51 +02:00
|
|
|
functionVariableUsage("void foo(int &b)\n"
|
|
|
|
"{\n"
|
|
|
|
" int a;\n"
|
|
|
|
" asm();\n"
|
|
|
|
" b = a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-03-31 20:20:51 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarStruct1() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" static const struct{ int x, y, w, h; } bounds = {1,2,3,4};\n"
|
|
|
|
" return bounds.x + bounds.y + bounds.w + bounds.h;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarStruct2() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct ABC { int a, b, c; };\n"
|
|
|
|
" struct ABC abc = { 1, 2, 3 };\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'abc' is assigned a value that is never used.\n", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarStruct3() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 10;\n"
|
|
|
|
" union { struct { unsigned char x; }; unsigned char z; };\n"
|
|
|
|
" do {\n"
|
|
|
|
" func();\n"
|
|
|
|
" } while(a--);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-09-09 20:15:00 +02:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:4]: (style) Unused variable: x\n"
|
2011-12-18 20:15:41 +01:00
|
|
|
"[test.cpp:4]: (style) Unused variable: z\n", "", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarStruct5() {
|
2011-07-01 03:58:11 +02:00
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return a.i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2012-06-22 15:59:41 +02:00
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
|
|
|
"}\n",
|
|
|
|
"test.c");
|
|
|
|
ASSERT_EQUALS("[test.c:2]: (style) Unused variable: a\n", errout.str());
|
|
|
|
|
2011-07-01 03:58:11 +02:00
|
|
|
functionVariableUsage("struct A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return a.i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return a.i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" a.i = 0;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" a.i = 0;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a = { 0 };\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2011-07-01 03:58:11 +02:00
|
|
|
|
|
|
|
functionVariableUsage("class A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a = { 0 };\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2011-07-01 03:58:11 +02:00
|
|
|
|
|
|
|
functionVariableUsage("class A { int i; public: A(); { } };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: a\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class A { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Unused variable: a\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class A { int i; public: A(); { } };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class A { unknown i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class A : public Fred { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-01 03:58:11 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-08-20 16:55:39 +02:00
|
|
|
|
|
|
|
functionVariableUsage("class Fred {char c;};\n"
|
|
|
|
"class A : public Fred { int i; };\n"
|
|
|
|
"int foo() {\n"
|
|
|
|
" A a;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-08-20 16:55:39 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Unused variable: a\n", errout.str());
|
2011-07-01 03:58:11 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarStruct6() {
|
2011-07-01 14:45:29 +02:00
|
|
|
functionVariableUsage("class Type { };\n"
|
|
|
|
"class A {\n"
|
|
|
|
"public:\n"
|
|
|
|
" Type & get() { return t; }\n"
|
|
|
|
"private:\n"
|
|
|
|
" Type t;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"};");
|
2011-07-01 14:45:29 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarStructArray() {
|
2012-02-26 08:29:02 +01:00
|
|
|
// #3633 - detect that struct array is assigned a value
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" struct X x[10];\n"
|
|
|
|
" x[0].a = 0;\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'x' is assigned a value that is never used.\n", errout.str());
|
2012-02-26 08:29:02 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarOp() {
|
2010-02-18 18:45:13 +01:00
|
|
|
const char op[] = "+-*/%&|^";
|
2011-10-13 20:53:06 +02:00
|
|
|
for (const char *p = op; *p; ++p) {
|
2010-02-18 18:45:13 +01:00
|
|
|
std::string code("int main()\n"
|
|
|
|
"{\n"
|
|
|
|
" int tmp = 10;\n"
|
|
|
|
" return 123 " + std::string(1, *p) + " tmp;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage(code.c_str());
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarInvert() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("int main()\n"
|
|
|
|
"{\n"
|
|
|
|
" int tmp = 10;\n"
|
|
|
|
" return ~tmp;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarIf() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("int main()\n"
|
|
|
|
"{\n"
|
|
|
|
" int tmp = 10;\n"
|
|
|
|
" if ( tmp )\n"
|
|
|
|
" return 1;\n"
|
|
|
|
" return 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarIfElse() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int tmp1 = 1;\n"
|
|
|
|
" int tmp2 = 2;\n"
|
|
|
|
" int tmp3 = 3;\n"
|
|
|
|
" return tmp1 ? tmp2 : tmp3;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarOpAssign() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 1;\n"
|
|
|
|
" int b = 2;\n"
|
|
|
|
" a |= b;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'a' is assigned a value that is never used.\n", errout.str());
|
2011-05-06 21:16:01 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int a = 1;\n"
|
|
|
|
" (b).x += a;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-05-06 21:16:01 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarFor() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 1;\n"
|
|
|
|
" for (;a;);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2011-12-18 20:15:41 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" for (int i = 0; (pci = cdi_list_get(pciDevices, i)); i++)\n"
|
|
|
|
" {}\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 18:45:13 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarForEach() { // #4155 - foreach
|
2012-12-17 17:07:56 +01:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int i = -1;\n"
|
|
|
|
" int a[] = {1,2,3};\n"
|
|
|
|
" FOREACH_X (int x, a) {\n"
|
|
|
|
" if (i==x) return x;\n"
|
|
|
|
" i = x;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-17 17:07:56 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-12-17 18:19:05 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int i = -1;\n"
|
|
|
|
" int a[] = {1,2,3};\n"
|
|
|
|
" FOREACH_X (int x, a) {\n"
|
|
|
|
" i = x;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-17 18:19:05 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int i = -1;\n"
|
|
|
|
" int a[] = {1,2,3};\n"
|
|
|
|
" X (int x, a) {\n"
|
|
|
|
" if (i==x) return x;\n"
|
|
|
|
" i = x;\n"
|
|
|
|
" }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-17 18:19:05 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2013-10-26 15:22:28 +02:00
|
|
|
|
|
|
|
// #4956 - assignment in for_each
|
|
|
|
functionVariableUsage("void f(std::vector<int> ints) {\n"
|
|
|
|
" int x = 0;\n"
|
|
|
|
" std::for_each(ints.begin(), ints.end(), [&x](int i){ dostuff(x); x = i; });\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void f(std::vector<int> ints) {\n"
|
|
|
|
" int x = 0;\n"
|
|
|
|
" std::for_each(ints.begin(), ints.end(), [&x](int i){ x += i; });\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'x' is assigned a value that is never used.\n", errout.str());
|
2013-12-17 06:34:27 +01:00
|
|
|
|
|
|
|
// #5154 - MSVC 'for each'
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::map<int,int> ints;\n"
|
|
|
|
" ints[0]= 1;\n"
|
|
|
|
" for each(std::pair<int,int> i in ints) { x += i.first; }\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-12-17 17:07:56 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarShift1() {
|
2010-02-18 18:45:13 +01:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int var = 1;\n"
|
|
|
|
" return 1 >> var;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-02-18 19:55:47 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarShift2() {
|
2010-12-02 20:08:05 +01:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int var = 1;\n"
|
|
|
|
" while (var = var >> 1) { }\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-02 20:08:05 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarShift3() { // #3509
|
2012-01-23 08:02:59 +01:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" QList<int *> ints;\n"
|
|
|
|
" ints << 1;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-01-23 08:02:59 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-12-18 19:02:30 +01:00
|
|
|
|
|
|
|
functionVariableUsage("int foo() {\n" // #4320
|
|
|
|
" int x;\n"
|
|
|
|
" x << 1;\n"
|
|
|
|
" return x;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-12-18 19:02:30 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-01-23 08:02:59 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarCast() {
|
2010-05-09 07:15:40 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" int a = 1;\n"
|
|
|
|
" int b = static_cast<int>(a);\n"
|
|
|
|
" return b;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-05-09 07:15:40 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarClass() {
|
2010-06-10 07:21:47 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" class B : public A {\n"
|
|
|
|
" int a;\n"
|
|
|
|
" int f() { return a; }\n"
|
|
|
|
" } b;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-10 07:21:47 +02:00
|
|
|
}
|
2010-06-14 15:46:57 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarUnused() {
|
2010-06-14 15:46:57 +02:00
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool test __attribute__((unused));\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-14 15:46:57 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool test __attribute__((unused)) = true;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-16 18:04:31 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool __attribute__((unused)) test;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-16 18:04:31 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool __attribute__((unused)) test = true;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-06-18 07:19:26 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2014-08-06 11:13:58 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool test __attribute__((used));\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("int foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" bool __attribute__((used)) test;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-14 15:46:57 +02:00
|
|
|
}
|
2010-06-21 18:12:01 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarFunction() {
|
2010-06-21 18:12:01 +02:00
|
|
|
functionVariableUsage("void check_dlsym(void*& h)\n"
|
|
|
|
"{\n"
|
|
|
|
" typedef void (*function_type) (void);\n"
|
|
|
|
" function_type fn;\n"
|
|
|
|
" fn = reinterpret_cast<function_type>(dlsym(h, \"try_allocation\"));\n"
|
|
|
|
" fn();\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
2010-06-24 17:00:32 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarstatic() {
|
2010-06-24 17:00:32 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" static int i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-06-24 17:00:32 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" static int i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-06-24 17:00:32 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" static int i(0);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-06-24 17:00:32 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" static int j = 0;\n"
|
|
|
|
" static int i(j);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'i' is assigned a value that is never used.\n", errout.str());
|
2010-06-24 17:00:32 +02:00
|
|
|
|
|
|
|
functionVariableUsage("int * foo(int x)\n"
|
|
|
|
"{\n"
|
|
|
|
" static int a[] = { 3, 4, 5, 6 };\n"
|
|
|
|
" static int b[] = { 4, 5, 6, 7 };\n"
|
|
|
|
" static int c[] = { 5, 6, 7, 8 };\n"
|
|
|
|
" b[1] = 1;\n"
|
|
|
|
" return x ? a : c;\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2012-09-11 14:14:35 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" static int i = 0;\n"
|
|
|
|
" if(i < foo())\n"
|
|
|
|
" i += 5;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-06-24 17:00:32 +02:00
|
|
|
}
|
2010-11-15 02:37:36 +01:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarextern() {
|
2012-06-28 17:22:56 +02:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" extern int i;\n"
|
|
|
|
" i = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-06-28 17:22:56 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvardynamic1() {
|
2010-11-15 02:37:36 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void* ptr = malloc(16);\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void* ptr = g_malloc(16);\n"
|
|
|
|
" g_free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void* ptr = kmalloc(16, GFP_KERNEL);\n"
|
|
|
|
" kfree(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void* ptr = vmalloc(16, GFP_KERNEL);\n"
|
|
|
|
" vfree(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char* ptr = new char[16];\n"
|
|
|
|
" delete[] ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
|
2011-08-31 12:39:39 +02:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char* ptr = new ( nothrow ) char[16];\n"
|
|
|
|
" delete[] ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-08-31 12:39:39 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char* ptr = new ( std::nothrow ) char[16];\n"
|
|
|
|
" delete[] ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-08-31 12:39:39 +02:00
|
|
|
|
2010-11-15 02:37:36 +01:00
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char* ptr = new char;\n"
|
|
|
|
" delete ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" void* ptr = malloc(16);\n"
|
|
|
|
" ptr[0] = 123;\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-11-15 02:37:36 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char* ptr = new char[16];\n"
|
|
|
|
" ptr[0] = 123;\n"
|
|
|
|
" delete[] ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-11-15 02:37:36 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
2010-12-21 08:13:40 +01:00
|
|
|
" Fred* fred = new Fred;\n"
|
|
|
|
" std::cout << \"test\" << std::endl;\n"
|
|
|
|
" delete fred;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-21 08:13:40 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int a; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* fred = new Fred;\n"
|
|
|
|
" std::cout << \"test\" << std::endl;\n"
|
|
|
|
" delete fred;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'fred' is allocated memory that is never used.\n", errout.str());
|
2010-12-21 08:13:40 +01:00
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int a; Fred() : a(0) {} };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
2010-12-20 18:31:16 +01:00
|
|
|
" Fred* fred = new Fred;\n"
|
2010-11-15 02:37:36 +01:00
|
|
|
" std::cout << \"test\" << std::endl;\n"
|
2010-12-20 18:31:16 +01:00
|
|
|
" delete fred;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-12-20 18:31:16 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* fred = malloc(sizeof(Fred));\n"
|
|
|
|
" std::cout << \"test\" << std::endl;\n"
|
|
|
|
" free(fred);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'fred' is allocated memory that is never used.\n", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
|
|
|
|
|
|
|
|
functionVariableUsage("void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" char* ptr = names[i];\n"
|
|
|
|
" delete[] ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2010-11-15 02:37:36 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2011-05-11 18:58:25 +02:00
|
|
|
}
|
2010-11-15 02:37:36 +01:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvardynamic2() {
|
2011-07-15 01:15:59 +02:00
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = malloc(sizeof(Fred));\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-07-15 01:15:59 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = malloc(sizeof(Fred));\n"
|
|
|
|
" ptr->i = 0;\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-15 01:15:59 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct Fred* ptr = malloc(sizeof(Fred));\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-07-15 01:15:59 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct Fred* ptr = malloc(sizeof(Fred));\n"
|
|
|
|
" ptr->i = 0;\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-15 01:15:59 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = new Fred();\n"
|
|
|
|
" delete ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-07-15 01:15:59 +02:00
|
|
|
|
2011-08-31 12:39:39 +02:00
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = new (nothrow ) Fred();\n"
|
|
|
|
" delete ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-08-31 12:39:39 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = new (std::nothrow) Fred();\n"
|
|
|
|
" delete ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-08-31 12:39:39 +02:00
|
|
|
|
2011-07-15 01:15:59 +02:00
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = new Fred();\n"
|
|
|
|
" ptr->i = 0;\n"
|
|
|
|
" delete ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-15 01:15:59 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct Fred* ptr = new Fred();\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-07-15 01:15:59 +02:00
|
|
|
|
|
|
|
functionVariableUsage("struct Fred { int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" struct Fred* ptr = new Fred();\n"
|
|
|
|
" ptr->i = 0;\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-15 01:15:59 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class Fred { public: int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = malloc(sizeof(Fred));\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-07-15 01:15:59 +02:00
|
|
|
|
|
|
|
functionVariableUsage("class Fred { public: int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = malloc(sizeof(Fred));\n"
|
|
|
|
" ptr->i = 0;\n"
|
|
|
|
" free(ptr);\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-15 01:15:59 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("class Fred { public: int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = new Fred();\n"
|
|
|
|
" delete ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:4]: (style) Variable 'ptr' is allocated memory that is never used.\n", errout.str());
|
2011-07-15 01:15:59 +02:00
|
|
|
|
|
|
|
functionVariableUsage("class Fred { public: int i; };\n"
|
|
|
|
"void foo()\n"
|
|
|
|
"{\n"
|
|
|
|
" Fred* ptr = new Fred();\n"
|
|
|
|
" ptr->i = 0;\n"
|
|
|
|
" delete ptr;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-01-08 08:31:00 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvardynamic3() {
|
2012-01-08 08:31:00 +01:00
|
|
|
// Ticket #3477 - False positive that 'data' is not assigned a value
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int* data = new int[100];\n"
|
|
|
|
" int* p = data;\n"
|
|
|
|
" for ( int i = 0; i < 10; ++i )\n"
|
|
|
|
" p++;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-15 01:15:59 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvararray1() {
|
2011-05-11 18:58:25 +02:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int p[5];\n"
|
|
|
|
" *p = 0;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-05-11 18:58:25 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2010-11-15 02:37:36 +01:00
|
|
|
}
|
2011-07-03 01:25:10 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvararray2() {
|
2011-12-26 08:12:23 +01:00
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" int p[5][5];\n"
|
|
|
|
" p[0][0] = 0;\n"
|
|
|
|
" return p[0][0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-12-26 08:12:23 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvararray3() {
|
2012-08-25 13:07:33 +02:00
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" int p[5][5];\n"
|
|
|
|
" *((int*)p[0]) = 0;\n"
|
|
|
|
" return p[0][0];\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-08-25 13:07:33 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarstring1() { // ticket #1597
|
2011-07-03 01:25:10 +02:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" std::string s;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-03 01:25:10 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Unused variable: s\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" std::string s;\n"
|
|
|
|
" s = \"foo\";\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:3]: (style) Variable 's' is assigned a value that is never used.\n", errout.str());
|
2011-07-03 01:25:10 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" std::string s = \"foo\";\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Variable 's' is assigned a value that is never used.\n", errout.str());
|
2011-07-03 01:25:10 +02:00
|
|
|
|
|
|
|
functionVariableUsage("std::string foo() {\n"
|
2014-05-07 23:39:32 +02:00
|
|
|
" std::string s;\n" // Class instances are initialized. Assignment is not necessary
|
2011-07-03 01:25:10 +02:00
|
|
|
" return s;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-07-25 09:34:27 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
2011-07-03 01:25:10 +02:00
|
|
|
|
|
|
|
functionVariableUsage("std::string foo() {\n"
|
|
|
|
" std::string s = \"foo\";\n"
|
|
|
|
" return s;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-03 01:25:10 +02:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
2011-07-22 00:37:37 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarstring2() { // ticket #2929
|
2011-07-22 00:37:37 +02:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" std::string s;\n"
|
|
|
|
" int i;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2011-07-22 00:37:37 +02:00
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Unused variable: s\n"
|
|
|
|
"[test.cpp:3]: (style) Unused variable: i\n", errout.str());
|
|
|
|
}
|
2011-07-24 18:09:59 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarconst1() {
|
2011-07-24 18:09:59 +02:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" const bool b = true;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'b' is assigned a value that is never used.\n", errout.str());
|
2011-07-24 18:09:59 +02:00
|
|
|
}
|
2011-09-11 08:19:35 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarconst2() {
|
2012-02-25 12:56:33 +01:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" const int N = 10;\n"
|
|
|
|
" struct X { int x[N]; };\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}");
|
2012-02-25 12:56:33 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarthrow() { // ticket #3687
|
2012-03-26 21:19:42 +02:00
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" try {}"
|
|
|
|
" catch(Foo& bar) {}\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localVarStd() {
|
2012-07-24 20:47:29 +02:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::string x = foo();\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'x' is assigned a value that is never used.\n", errout.str());
|
2012-07-24 20:47:29 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::vector<int> x;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Unused variable: x\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::vector<int> x(100);\n"
|
|
|
|
"}");
|
2012-11-01 18:40:20 +01:00
|
|
|
TODO_ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'x' is assigned a value that is never used.\n", "", errout.str());
|
2012-07-24 20:47:29 +02:00
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::vector<MyClass> x;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("[test.cpp:2]: (style) Unused variable: x\n", errout.str());
|
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::vector<MyClass> x(100);\n" // Might have a side-effect
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2013-01-07 20:28:43 +01:00
|
|
|
|
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::lock_guard<MyClass> lock(mutex_);\n" // Has a side-effect #4385
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2013-02-28 17:02:58 +01:00
|
|
|
|
2014-08-31 19:18:02 +02:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" pLocker = std::shared_ptr<jfxLocker>(new jfxLocker(m_lock, true));\n" // Could have side-effects (#4355)
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2013-02-28 17:02:58 +01:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" std::mutex m;\n"
|
|
|
|
" std::unique_lock<std::mutex> lock(m);\n" // #4624
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-07-24 20:47:29 +02:00
|
|
|
}
|
|
|
|
|
2011-09-11 08:19:35 +02:00
|
|
|
// ticket #3104 - false positive when variable is read with "if (NOT var)"
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarIfNOT() {
|
2011-09-11 08:19:35 +02:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" bool x = foo();\n"
|
|
|
|
" if (NOT x) { }\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
2012-03-21 18:40:32 +01:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarAnd() { // #3672
|
2012-03-21 18:40:32 +01:00
|
|
|
functionVariableUsage("int main() {\n"
|
|
|
|
" unsigned flag = 0x1 << i;\n"
|
|
|
|
" if (m_errorflags & flag) {\n"
|
|
|
|
" return 1;\n"
|
|
|
|
" }\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
2012-04-28 15:43:42 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarSwitch() { // #3744 - false positive when used in switch
|
2012-04-28 15:43:42 +02:00
|
|
|
functionVariableUsage("const char *f(int x) {\n"
|
|
|
|
" const char a[] = \"abc\";\n"
|
|
|
|
" const char def[] = \"def\";\n"
|
|
|
|
" const char *ptr;\n"
|
|
|
|
" switch(x) {\n"
|
|
|
|
" case 1: ptr=a; break;\n"
|
|
|
|
" default: ptr=def; break;\n"
|
|
|
|
" }\n"
|
|
|
|
" return ptr;\n"
|
|
|
|
"}");
|
|
|
|
|
|
|
|
// Don't write an error that "a" is not used
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
2012-08-10 12:36:08 +02:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarNULL() { // #4203 - Setting NULL value is not redundant - it is safe
|
2012-09-30 17:22:35 +02:00
|
|
|
functionVariableUsage("void f() {\n"
|
|
|
|
" char *p = malloc(100);\n"
|
|
|
|
" foo(p);\n"
|
|
|
|
" free(p);\n"
|
|
|
|
" p = NULL;\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2013-03-28 06:44:37 +01:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarUnusedGoto() {
|
2013-03-29 17:55:09 +01:00
|
|
|
// #4447
|
2013-03-28 06:44:37 +01:00
|
|
|
functionVariableUsage("bool f(const int &i) {\n"
|
2014-03-17 08:40:01 +01:00
|
|
|
" int X = i;\n"
|
2013-03-28 06:44:37 +01:00
|
|
|
"label:\n"
|
2014-03-17 08:40:01 +01:00
|
|
|
" if ( X == 0 ) {\n"
|
2013-03-28 06:44:37 +01:00
|
|
|
" X -= 101;\n"
|
|
|
|
" return true;\n"
|
2014-03-17 08:40:01 +01:00
|
|
|
" }\n"
|
|
|
|
" if ( X < 1001 ) {\n"
|
2013-03-28 06:44:37 +01:00
|
|
|
" X += 1;\n"
|
|
|
|
" goto label;\n"
|
2014-03-17 08:40:01 +01:00
|
|
|
" }\n"
|
|
|
|
" return false;\n"
|
2013-03-28 06:44:37 +01:00
|
|
|
"}\n");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
|
2013-03-29 17:55:09 +01:00
|
|
|
// #4558
|
2013-03-28 06:44:37 +01:00
|
|
|
functionVariableUsage("int f() {\n"
|
2014-03-17 08:40:01 +01:00
|
|
|
" int i,j=0;\n"
|
|
|
|
" start:\n"
|
|
|
|
" i=j;\n"
|
|
|
|
" i++;\n"
|
|
|
|
" j=i;\n"
|
|
|
|
" if (i<3)\n"
|
|
|
|
" goto start;\n"
|
|
|
|
" return i;\n"
|
2013-03-28 06:44:37 +01:00
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
2012-09-30 17:22:35 +02:00
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void localvarCpp11Initialization() {
|
2014-09-30 12:39:27 +02:00
|
|
|
// #6160
|
|
|
|
functionVariableUsage("void foo() {\n"
|
|
|
|
" int myNewValue{ 3u };\n"
|
|
|
|
" myManager.theDummyTable.addRow(UnsignedIndexValue{ myNewValue }, DummyRowData{ false });\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void chainedAssignment() {
|
2014-08-31 19:46:30 +02:00
|
|
|
// #5466
|
|
|
|
functionVariableUsage("void NotUsed(double* pdD, int n) {\n"
|
|
|
|
" double sum = 0.0;\n"
|
|
|
|
" for (int i = 0; i<n; ++i)\n"
|
|
|
|
" pdD[i] = (sum += pdD[i]);\n"
|
|
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void crash1() {
|
2012-08-10 12:36:08 +02:00
|
|
|
functionVariableUsage("SAL_WNODEPRECATED_DECLARATIONS_PUSH\n"
|
|
|
|
"void convertToTokenArray() {\n"
|
|
|
|
"}\n"
|
|
|
|
"SAL_WNODEPRECATED_DECLARATIONS_POP"); // #4033
|
|
|
|
}
|
2013-02-14 06:31:41 +01:00
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void crash2() {
|
2013-04-01 12:41:14 +02:00
|
|
|
functionVariableUsage("template<unsigned dim>\n"
|
|
|
|
"struct Y: Y<dim-1> { };\n"
|
|
|
|
"template<>\n"
|
|
|
|
"struct Y<0> {};\n"
|
|
|
|
"void f() {\n"
|
|
|
|
" Y y;\n"
|
|
|
|
"}"); // #4695
|
|
|
|
}
|
|
|
|
|
2014-11-20 14:20:09 +01:00
|
|
|
void usingNamespace() {
|
2013-02-14 06:31:41 +01:00
|
|
|
functionVariableUsage("int foo() {\n"
|
|
|
|
" using namespace ::com::sun::star::i18n;\n"
|
|
|
|
" bool b = false;\n"
|
|
|
|
" int j = 0;\n"
|
|
|
|
" for (int i = 0; i < 3; i++) {\n"
|
|
|
|
" if (!b) {\n"
|
|
|
|
" j = 3;\n"
|
|
|
|
" b = true;\n"
|
|
|
|
" }\n"
|
|
|
|
" }\n"
|
|
|
|
" return j;\n"
|
2013-03-20 15:36:16 +01:00
|
|
|
"}"); // #4585
|
2013-02-14 06:31:41 +01:00
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
}
|
2008-12-18 22:28:57 +01:00
|
|
|
};
|
|
|
|
|
2009-01-05 16:49:57 +01:00
|
|
|
REGISTER_TEST(TestUnusedVar)
|