cppcheck/test/testthreadexecutor.cpp at master · bugdebugger/cppcheck · GitHub

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* Cppcheck - A tool for static C/C++ code analysis

* 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 "cppcheck.h"

#include "testsuite.h"

#include "threadexecutor.h"

#include "cppcheckexecutor.h"

#include <map>

#include <string>

class TestThreadExecutor : public TestFixture {

public:

TestThreadExecutor() : TestFixture("TestThreadExecutor") {

}

private:

/**

* Execute check using n jobs for y files which are have

* identical data, given within data.

void check(unsigned int jobs, int files, int result, const std::string &data) {

errout.str("");

output.str("");

if (!ThreadExecutor::isEnabled()) {

// Skip this check on systems which don't use this feature

return;

}

std::map<std::string, std::size_t> filemap;

for (int i = 1; i <= files; ++i) {

std::ostringstream oss;

oss << "file_" << i << ".cpp";

filemap[oss.str()] = 1;

}

Settings settings;

settings._jobs = jobs;

ThreadExecutor executor(filemap, settings, *this);

for (std::map<std::string, std::size_t>::const_iterator i = filemap.begin(); i != filemap.end(); ++i)

executor.addFileContent(i->first, data);

ASSERT_EQUALS(result, executor.check());

}

void run() {

TEST_CASE(deadlock_with_many_errors);

TEST_CASE(many_threads);

TEST_CASE(no_errors_more_files);

TEST_CASE(no_errors_less_files);

TEST_CASE(no_errors_equal_amount_files);

TEST_CASE(one_error_less_files);

TEST_CASE(one_error_several_files);

}

void deadlock_with_many_errors() {

std::ostringstream oss;

oss << "int main()\n"

<< "{\n";

for (int i = 0; i < 500; i++)

oss << " {char *a = malloc(10);}\n";

oss << " return 0;\n"

<< "}\n";

check(2, 3, 3, oss.str());

}

void many_threads() {

std::ostringstream oss;

oss << "int main()\n"

<< "{\n";

oss << " char *a = malloc(10);\n";

oss << " return 0;\n"

<< "}";

check(20, 100, 100, oss.str());

}

void no_errors_more_files() {

std::ostringstream oss;

oss << "int main()\n"

<< "{\n"

<< " return 0;\n"

<< "}\n";

check(2, 3, 0, oss.str());

}

void no_errors_less_files() {

std::ostringstream oss;

oss << "int main()\n"

<< "{\n"

<< " return 0;\n"

<< "}\n";

check(2, 1, 0, oss.str());

}

void no_errors_equal_amount_files() {

std::ostringstream oss;

oss << "int main()\n"

<< "{\n"

<< " return 0;\n"

<< "}\n";

check(2, 2, 0, oss.str());

}

void one_error_less_files() {

std::ostringstream oss;

oss << "int main()\n"

<< "{\n"

<< " {char *a = malloc(10);}\n"

<< " return 0;\n"

<< "}\n";

check(2, 1, 1, oss.str());

}

void one_error_several_files() {

std::ostringstream oss;

oss << "int main()\n"

<< "{\n"

<< " {char *a = malloc(10);}\n"

<< " return 0;\n"

<< "}\n";

check(2, 20, 20, oss.str());

}

};

REGISTER_TEST(TestThreadExecutor)

cppcheck/test/testthreadexecutor.cpp at master · bugdebugger/cppcheck · GitHub

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