147 lines
3.8 KiB
C++
147 lines
3.8 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2011 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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// The preprocessor that Cppcheck uses is a bit special. Instead of generating
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// the code for a known configuration, it generates the code for each configuration.
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#include "cppcheck.h"
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#include "testsuite.h"
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#include "threadexecutor.h"
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#include <algorithm>
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#include <map>
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#include <string>
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#include <stdexcept>
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extern std::ostringstream errout;
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extern std::ostringstream output;
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class TestThreadExecutor : public TestFixture
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{
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public:
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TestThreadExecutor() : TestFixture("TestThreadExecutor")
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{ }
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private:
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/**
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* Execute check using n jobs for y files which are have
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* identical data, given within data.
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*/
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void check(unsigned int jobs, int files, int result, const std::string &data)
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{
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errout.str("");
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output.str("");
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if (!ThreadExecutor::isEnabled())
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{
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// Skip this check on systems which don't use this feature
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return;
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}
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std::vector<std::string> filenames;
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std::map<std::string, long> filesizes;
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for (int i = 1; i <= files; ++i)
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{
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std::ostringstream oss;
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oss << "file_" << i << ".cpp";
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filenames.push_back(oss.str());
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}
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Settings settings;
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settings._jobs = jobs;
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ThreadExecutor executor(filenames, filesizes, settings, *this);
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for (unsigned int i = 0; i < filenames.size(); ++i)
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executor.addFileContent(filenames[i], data);
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ASSERT_EQUALS(result, executor.check());
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}
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void run()
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{
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TEST_CASE(deadlock_with_many_errors);
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TEST_CASE(no_errors_more_files);
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TEST_CASE(no_errors_less_files);
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TEST_CASE(no_errors_equal_amount_files);
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TEST_CASE(one_error_less_files);
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TEST_CASE(one_error_several_files);
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}
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void deadlock_with_many_errors()
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{
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std::ostringstream oss;
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oss << "int main()\n"
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<< "{\n";
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for (int i = 0; i < 500; i++)
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oss << " {char *a = malloc(10);}\n";
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oss << "}\n";
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check(2, 3, 3, oss.str());
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}
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void no_errors_more_files()
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{
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std::ostringstream oss;
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oss << "int main()\n"
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<< "{\n";
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oss << "}\n";
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check(2, 3, 0, oss.str());
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}
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void no_errors_less_files()
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{
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std::ostringstream oss;
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oss << "int main()\n"
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<< "{\n";
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oss << "}\n";
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check(2, 1, 0, oss.str());
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}
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void no_errors_equal_amount_files()
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{
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std::ostringstream oss;
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oss << "int main()\n"
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<< "{\n";
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oss << "}\n";
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check(2, 2, 0, oss.str());
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}
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void one_error_less_files()
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{
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std::ostringstream oss;
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oss << "int main()\n"
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<< "{\n";
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oss << " {char *a = malloc(10);}\n";
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oss << "}\n";
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check(2, 1, 1, oss.str());
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}
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void one_error_several_files()
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{
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std::ostringstream oss;
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oss << "int main()\n"
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<< "{\n";
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oss << " {char *a = malloc(10);}\n";
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oss << "}\n";
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check(2, 20, 20, oss.str());
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}
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};
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REGISTER_TEST(TestThreadExecutor)
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