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testthreadexecutor.cpp
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140 lines (121 loc) · 3.75 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2018 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 "settings.h"
#include "testsuite.h"
#include "threadexecutor.h"
#include <cstddef>
#include <map>
#include <ostream>
#include <string>
#include <utility>
class TestThreadExecutor : public TestFixture {
public:
TestThreadExecutor() : TestFixture("TestThreadExecutor") {
}
private:
Settings settings;
/**
* 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.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() override {
LOAD_LIB_2(settings.library, "std.cfg");
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() {
check(16, 100, 100,
"int main()\n"
"{\n"
" char *a = malloc(10);\n"
" return 0;\n"
"}");
}
void no_errors_more_files() {
check(2, 3, 0,
"int main()\n"
"{\n"
" return 0;\n"
"}");
}
void no_errors_less_files() {
check(2, 1, 0,
"int main()\n"
"{\n"
" return 0;\n"
"}");
}
void no_errors_equal_amount_files() {
check(2, 2, 0,
"int main()\n"
"{\n"
" return 0;\n"
"}");
}
void one_error_less_files() {
check(2, 1, 1,
"int main()\n"
"{\n"
" {char *a = malloc(10);}\n"
" return 0;\n"
"}");
}
void one_error_several_files() {
check(2, 20, 20,
"int main()\n"
"{\n"
" {char *a = malloc(10);}\n"
" return 0;\n"
"}");
}
};
REGISTER_TEST(TestThreadExecutor)