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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2015 Daniel Marjamäki and Cppcheck team.
*
* 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/>.
*/
#include "tokenize.h"
#include "checkboost.h"
#include "testsuite.h"
class TestBoost : public TestFixture {
public:
TestBoost() : TestFixture("TestBoost") {
}
private:
void run() {
TEST_CASE(BoostForeachContainerModification)
}
void check(const char code[]) {
// Clear the error buffer..
errout.str("");
Settings settings;
settings.addEnabled("style");
settings.addEnabled("performance");
// Tokenize..
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList2();
// Check..
CheckBoost checkBoost;
checkBoost.runSimplifiedChecks(&tokenizer, &settings, this);
}
void BoostForeachContainerModification() {
check("void f() {\n"
" vector<int> data;\n"
" BOOST_FOREACH(int i, data) {\n"
" data.push_back(123);\n"
" }\n"
"}");
ASSERT_EQUALS("[test.cpp:4]: (error) BOOST_FOREACH caches the end() iterator. It's undefined behavior if you modify the container inside.\n", errout.str());
check("void f() {\n"
" set<int> data;\n"
" BOOST_FOREACH(int i, data) {\n"
" data.insert(123);\n"
" }\n"
"}");
ASSERT_EQUALS("[test.cpp:4]: (error) BOOST_FOREACH caches the end() iterator. It's undefined behavior if you modify the container inside.\n", errout.str());
check("void f() {\n"
" set<int> data;\n"
" BOOST_FOREACH(const int &i, data) {\n"
" data.erase(123);\n"
" }\n"
"}");
ASSERT_EQUALS("[test.cpp:4]: (error) BOOST_FOREACH caches the end() iterator. It's undefined behavior if you modify the container inside.\n", errout.str());
// Check single line usage
check("void f() {\n"
" set<int> data;\n"
" BOOST_FOREACH(const int &i, data)\n"
" data.clear();\n"
"}");
ASSERT_EQUALS("[test.cpp:4]: (error) BOOST_FOREACH caches the end() iterator. It's undefined behavior if you modify the container inside.\n", errout.str());
// Container returned as result of a function -> Be quiet
check("void f() {\n"
" BOOST_FOREACH(const int &i, get_data())\n"
" data.insert(i);\n"
"}");
ASSERT_EQUALS("", errout.str());
// Break after modification (#4788)
check("void f() {\n"
" vector<int> data;\n"
" BOOST_FOREACH(int i, data) {\n"
" data.push_back(123);\n"
" break;\n"
" }\n"
"}");
ASSERT_EQUALS("", errout.str());
}
};
REGISTER_TEST(TestBoost)
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