cppcheck/test/testthreadexecutor.cpp

237 lines
7.3 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2023 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 "redirect.h"
#include "settings.h"
#include "fixture.h"
#include "helpers.h"
#include "library.h"
#include "threadexecutor.h"
#include "timer.h"
#include <algorithm>
#include <cstddef>
#include <map>
#include <memory>
#include <set>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
class TestThreadExecutor : public TestFixture {
public:
TestThreadExecutor() : TestFixture("TestThreadExecutor") {}
private:
Settings settings = settingsBuilder().library("std.cfg").build();
static std::string fprefix()
{
return "thread";
}
struct CheckOptions
{
CheckOptions() = default;
SHOWTIME_MODES showtime = SHOWTIME_MODES::SHOWTIME_NONE;
const char* plistOutput = nullptr;
std::vector<std::string> filesList;
};
/**
* 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, const CheckOptions& opt = make_default_obj{}) {
errout.str("");
output.str("");
std::map<std::string, std::size_t> filemap;
if (opt.filesList.empty()) {
for (int i = 1; i <= files; ++i) {
std::ostringstream oss;
oss << fprefix() << "_" << i << ".cpp";
filemap[oss.str()] = data.size();
}
}
else {
for (const auto& f : opt.filesList)
{
filemap[f] = data.size();
}
}
Settings settings1 = settings;
settings1.jobs = jobs;
settings1.showtime = opt.showtime;
if (opt.plistOutput)
settings1.plistOutput = opt.plistOutput;
// TODO: test with settings.project.fileSettings;
ThreadExecutor executor(filemap, settings1, settings1.nomsg, *this);
std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
scopedfiles.reserve(filemap.size());
for (std::map<std::string, std::size_t>::const_iterator i = filemap.cbegin(); i != filemap.cend(); ++i)
scopedfiles.emplace_back(new ScopedFile(i->first, data));
ASSERT_EQUALS(result, executor.check());
}
void run() override {
TEST_CASE(deadlock_with_many_errors);
TEST_CASE(many_threads);
TEST_CASE(many_threads_showtime);
TEST_CASE(many_threads_plist);
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);
TEST_CASE(markup);
}
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"
"}");
}
// #11249 - reports TSAN errors - only applies to threads not processes though
void many_threads_showtime() {
SUPPRESS;
check(16, 100, 100,
"int main()\n"
"{\n"
" char *a = malloc(10);\n"
" return 0;\n"
"}", dinit(CheckOptions, $.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
}
void many_threads_plist() {
const char plistOutput[] = "plist";
ScopedFile plistFile("dummy", plistOutput);
check(16, 100, 100,
"int main()\n"
"{\n"
" char *a = malloc(10);\n"
" return 0;\n"
"}", dinit(CheckOptions, $.plistOutput = plistOutput));
}
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"
"}");
}
void markup() {
const Settings settingsOld = settings;
settings.library.mMarkupExtensions.emplace(".cp1");
settings.library.mProcessAfterCode.emplace(".cp1", true);
const std::vector<std::string> files = {
fprefix() + "_1.cp1", fprefix() + "_2.cpp", fprefix() + "_3.cp1", fprefix() + "_4.cpp"
};
// checks are not executed on markup files => expected result is 2
check(2, 4, 2,
"int main()\n"
"{\n"
" char *a = malloc(10);\n"
" return 0;\n"
"}",
dinit(CheckOptions, $.filesList = files));
// TODO: order of "Checking" and "checked" is affected by thread
/*TODO_ASSERT_EQUALS("Checking " + fprefix() + "_2.cpp ...\n"
"1/4 files checked 25% done\n"
"Checking " + fprefix() + "_4.cpp ...\n"
"2/4 files checked 50% done\n"
"Checking " + fprefix() + "_1.cp1 ...\n"
"3/4 files checked 75% done\n"
"Checking " + fprefix() + "_3.cp1 ...\n"
"4/4 files checked 100% done\n",
"Checking " + fprefix() + "_1.cp1 ...\n"
"1/4 files checked 25% done\n"
"Checking " + fprefix() + "_2.cpp ...\n"
"2/4 files checked 50% done\n"
"Checking " + fprefix() + "_3.cp1 ...\n"
"3/4 files checked 75% done\n"
"Checking " + fprefix() + "_4.cpp ...\n"
"4/4 files checked 100% done\n",
output.str());*/
settings = settingsOld;
}
// TODO: test clang-tidy
// TODO: test whole program analysis
};
REGISTER_TEST(TestThreadExecutor)