178 lines
4.1 KiB
C++
178 lines
4.1 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2009 Daniel Marjamäki and Cppcheck team.
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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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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Check for unused variables..
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#include "testsuite.h"
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#include "tokenize.h"
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#include "checkother.h"
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#include <sstream>
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extern std::ostringstream errout;
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class TestIncompleteStatement : public TestFixture
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{
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public:
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TestIncompleteStatement() : TestFixture("TestIncompleteStatement")
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{ }
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private:
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void check(const char code[])
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{
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// Tokenize..
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Tokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyTokenList();
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// Clear the error buffer..
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errout.str("");
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Settings settings;
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settings._showAll = true;
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// Check for unused variables..
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CheckOther checkOther(&tokenizer, &settings, this);
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checkOther.checkIncompleteStatement();
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}
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void run()
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{
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TEST_CASE(test1);
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TEST_CASE(test2);
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TEST_CASE(test3);
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TEST_CASE(test4);
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TEST_CASE(test5);
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TEST_CASE(test_numeric);
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TEST_CASE(intarray);
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TEST_CASE(structarraynull);
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TEST_CASE(structarray);
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}
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void test1()
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{
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check("void foo()\n"
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"{\n"
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" const char def[] =\n"
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"#ifdef ABC\n"
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" \"abc\";\n"
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"#else\n"
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" \"not abc\";\n"
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"#endif\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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void test2()
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{
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check("void foo()\n"
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"{\n"
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" \"abc\";\n"
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"}\n");
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ASSERT_EQUALS("[test.cpp:3]: (style) Redundant code: Found a statement that begins with string constant\n", errout.str());
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}
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void test3()
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{
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check("void foo()\n"
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"{\n"
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" const char *str[] = { \"abc\" };\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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void test4()
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{
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check("void foo()\n"
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"{\n"
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"const char *a =\n"
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"{\n"
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"\"hello \"\n"
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"\"more \"\n"
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"\"world\"\n"
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"};\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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void test5()
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{
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check("void foo()\n"
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"{\n"
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" 50;\n"
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"}\n");
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ASSERT_EQUALS("[test.cpp:3]: (style) Redundant code: Found a statement that begins with numeric constant\n", errout.str());
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}
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void test_numeric()
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{
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check("struct P\n"
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"{\n"
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"double a;\n"
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"double b;\n"
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"};\n"
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"void f()\n"
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"{\n"
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"const P values[2] =\n"
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"{\n"
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"{ 346.1,114.1 }, { 347.1,111.1 }\n"
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"};\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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void intarray()
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{
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check("int arr[] = { 100/2, 1*100 };\n");
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ASSERT_EQUALS("", errout.str());
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}
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void structarraynull()
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{
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check("struct st arr[] = {\n"
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" { 100/2, 1*100 }\n"
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" { 90, 70 }\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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void structarray()
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{
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check("struct st arr[] = {\n"
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" { 100/2, 1*100 }\n"
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" { 90, 70 }\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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}
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};
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REGISTER_TEST(TestIncompleteStatement)
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