/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam, * Leandro Penz, Kimmo Varis, Vesa Pikki * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/ */ // Check for unused variables.. #include "testsuite.h" #include "../src/tokenize.h" #include "../src/checkother.h" #include <sstream> extern std::ostringstream errout; class TestIncompleteStatement : public TestFixture { public: TestIncompleteStatement() : TestFixture("TestIncompleteStatement") { } private: void check(const char code[]) { // Tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); // Clear the error buffer.. errout.str(""); Settings settings; settings._showAll = true; // Check for unused variables.. CheckOther checkOther(&tokenizer, &settings, this); checkOther.CheckIncompleteStatement(); } void run() { TEST_CASE(test1); TEST_CASE(test2); TEST_CASE(test3); TEST_CASE(test4); TEST_CASE(test5); TEST_CASE(test_numeric); TEST_CASE(intarray); TEST_CASE(structarraynull); TEST_CASE(structarray); } void test1() { check("void foo()\n" "{\n" " const char def[] =\n" "#ifdef ABC\n" " \"abc\";\n" "#else\n" " \"not abc\";\n" "#endif\n" "}\n"); ASSERT_EQUALS(std::string(""), errout.str()); } void test2() { check("void foo()\n" "{\n" " \"abc\";\n" "}\n"); ASSERT_EQUALS(std::string("[test.cpp:3]: (style) Redundant code: Found a statement that begins with string constant\n"), errout.str()); } void test3() { check("void foo()\n" "{\n" " const char *str[] = { \"abc\" };\n" "}\n"); ASSERT_EQUALS(std::string(""), errout.str()); } void test4() { check("void foo()\n" "{\n" "const char *a =\n" "{\n" "\"hello \"\n" "\"more \"\n" "\"world\"\n" "};\n" "}\n"); ASSERT_EQUALS(std::string(""), errout.str()); } void test5() { check("void foo()\n" "{\n" " 50;\n" "}\n"); ASSERT_EQUALS(std::string("[test.cpp:3]: (style) Redundant code: Found a statement that begins with numeric constant\n"), errout.str()); } void test_numeric() { check("struct P\n" "{\n" "double a;\n" "double b;\n" "};\n" "void f()\n" "{\n" "const P values[2] =\n" "{\n" "{ 346.1,114.1 }, { 347.1,111.1 }\n" "};\n" "}\n"); ASSERT_EQUALS(std::string(""), errout.str()); } void intarray() { check("int arr[] = { 100/2, 1*100 };\n"); ASSERT_EQUALS(std::string(""), errout.str()); } void structarraynull() { check("struct st arr[] = {\n" " { 100/2, 1*100 }\n" " { 90, 70 }\n" "}\n"); ASSERT_EQUALS(std::string(""), errout.str()); } void structarray() { check("struct st arr[] = {\n" " { 100/2, 1*100 }\n" " { 90, 70 }\n" "};\n"); ASSERT_EQUALS(std::string(""), errout.str()); } }; REGISTER_TEST(TestIncompleteStatement)