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390 lines (350 loc) · 12.8 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2024 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 "cppcheck.h"
#include "filesettings.h"
#include "fixture.h"
#include "helpers.h"
#include "redirect.h"
#include "settings.h"
#include "singleexecutor.h"
#include "suppressions.h"
#include "timer.h"
#include <cstdlib>
#include <list>
#include <memory>
#include <string>
#include <utility>
#include <vector>
class TestSingleExecutorBase : public TestFixture {
protected:
TestSingleExecutorBase(const char * const name, bool useFS) : TestFixture(name), useFS(useFS) {}
private:
/*const*/ Settings settings = settingsBuilder().library("std.cfg").build();
bool useFS;
std::string fprefix() const
{
if (useFS)
return "singlefs";
return "single";
}
static std::string zpad3(int i)
{
if (i < 10)
return "00" + std::to_string(i);
if (i < 100)
return "0" + std::to_string(i);
return std::to_string(i);
}
struct CheckOptions
{
CheckOptions() = default;
bool quiet = true;
SHOWTIME_MODES showtime = SHOWTIME_MODES::SHOWTIME_NONE;
const char* plistOutput = nullptr;
std::vector<std::string> filesList;
bool clangTidy = false;
bool executeCommandCalled = false;
std::string exe;
std::vector<std::string> args;
};
void check(int files, int result, const std::string &data, const CheckOptions& opt = make_default_obj{}) {
std::list<FileSettings> fileSettings;
std::list<FileWithDetails> filelist;
if (opt.filesList.empty()) {
for (int i = 1; i <= files; ++i) {
std::string f_s = fprefix() + "_" + zpad3(i) + ".cpp";
filelist.emplace_back(f_s, data.size());
if (useFS) {
fileSettings.emplace_back(std::move(f_s), data.size());
}
}
}
else {
for (const auto& f : opt.filesList)
{
filelist.emplace_back(f, data.size());
if (useFS) {
fileSettings.emplace_back(f, data.size());
}
}
}
/*const*/ Settings s = settings;
s.showtime = opt.showtime;
s.quiet = opt.quiet;
if (opt.plistOutput)
s.plistOutput = opt.plistOutput;
s.clangTidy = opt.clangTidy;
bool executeCommandCalled = false;
std::string exe;
std::vector<std::string> args;
// NOLINTNEXTLINE(performance-unnecessary-value-param)
CppCheck cppcheck(*this, true, [&executeCommandCalled, &exe, &args](std::string e,std::vector<std::string> a,std::string,std::string&){
executeCommandCalled = true;
exe = std::move(e);
args = std::move(a);
return EXIT_SUCCESS;
});
cppcheck.settings() = s;
std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
scopedfiles.reserve(filelist.size());
for (std::list<FileWithDetails>::const_iterator i = filelist.cbegin(); i != filelist.cend(); ++i)
scopedfiles.emplace_back(new ScopedFile(i->path(), data));
// clear files list so only fileSettings are used
if (useFS)
filelist.clear();
SingleExecutor executor(cppcheck, filelist, fileSettings, s, s.supprs.nomsg, *this);
ASSERT_EQUALS(result, executor.check());
ASSERT_EQUALS(opt.executeCommandCalled, executeCommandCalled);
ASSERT_EQUALS(opt.exe, exe);
ASSERT_EQUALS(opt.args.size(), args.size());
for (int i = 0; i < args.size(); ++i)
{
ASSERT_EQUALS(opt.args[i], args[i]);
}
}
void run() override {
TEST_CASE(many_files);
TEST_CASE(many_files_showtime);
TEST_CASE(many_files_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(clangTidy);
TEST_CASE(showtime_top5_file);
TEST_CASE(showtime_top5_summary);
TEST_CASE(showtime_file);
TEST_CASE(showtime_summary);
TEST_CASE(showtime_file_total);
TEST_CASE(suppress_error_library);
TEST_CASE(unique_errors);
}
void many_files() {
const int num_files = 100;
check(num_files, num_files,
"int main()\n"
"{\n"
" int i = *((int*)0);\n"
" return 0;\n"
"}", dinit(CheckOptions,
$.quiet = false));
{
std::string expected;
for (int i = 1; i <= num_files; ++i) {
expected += "Checking " + fprefix() + "_" + zpad3(i) + ".cpp ...\n";
expected += std::to_string(i) + "/100 files checked " + std::to_string(i) + "% done\n";
}
ASSERT_EQUALS(expected, output_str());
}
{
std::string expected;
for (int i = 1; i <= num_files; ++i) {
expected += "[" + fprefix() + "_" + zpad3(i) + ".cpp:3]: (error) Null pointer dereference: (int*)0\n";
}
ASSERT_EQUALS(expected, errout_str());
}
}
void many_files_showtime() {
SUPPRESS;
check(100, 100,
"int main()\n"
"{\n"
" int i = *((int*)0);\n"
" return 0;\n"
"}", dinit(CheckOptions, $.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
// we are not interested in the results - so just consume them
ignore_errout();
}
void many_files_plist() {
const std::string plistOutput = "plist_" + fprefix() + "/";
ScopedFile plistFile("dummy", "", plistOutput);
check(100, 100,
"int main()\n"
"{\n"
" int i = *((int*)0);\n"
" return 0;\n"
"}", dinit(CheckOptions, $.plistOutput = plistOutput.c_str()));
// we are not interested in the results - so just consume them
ignore_errout();
}
void no_errors_more_files() {
check(3, 0,
"int main()\n"
"{\n"
" return 0;\n"
"}");
}
void no_errors_less_files() {
check(1, 0,
"int main()\n"
"{\n"
" return 0;\n"
"}");
}
void no_errors_equal_amount_files() {
check(2, 0,
"int main()\n"
"{\n"
" return 0;\n"
"}");
}
void one_error_less_files() {
check(1, 1,
"int main()\n"
"{\n"
" {int i = *((int*)0);}\n"
" return 0;\n"
"}");
ASSERT_EQUALS("[" + fprefix() + "_" + zpad3(1) + ".cpp:3]: (error) Null pointer dereference: (int*)0\n", errout_str());
}
void one_error_several_files() {
const int num_files = 20;
check(num_files, num_files,
"int main()\n"
"{\n"
" {int i = *((int*)0);}\n"
" return 0;\n"
"}");
{
std::string expected;
for (int i = 1; i <= num_files; ++i) {
expected += "[" + fprefix() + "_" + zpad3(i) + ".cpp:3]: (error) Null pointer dereference: (int*)0\n";
}
ASSERT_EQUALS(expected, errout_str());
}
}
void clangTidy() {
// TODO: we currently only invoke it with ImportProject::FileSettings
if (!useFS)
return;
#ifdef _WIN32
constexpr char exe[] = "clang-tidy.exe";
#else
constexpr char exe[] = "clang-tidy";
#endif
const std::string file = fprefix() + "_001.cpp";
check(1, 0,
"int main()\n"
"{\n"
" return 0;\n"
"}",
dinit(CheckOptions,
$.quiet = false,
$.clangTidy = true,
$.executeCommandCalled = true,
$.exe = exe,
$.args = {"-quiet", "-checks=*,-clang-analyzer-*,-llvm*", file, "--"}));
ASSERT_EQUALS("Checking " + file + " ...\n", output_str());
}
// TODO: provide data which actually shows values above 0
void showtime_top5_file() {
REDIRECT;
check(2, 0,
"int main() {}",
dinit(CheckOptions,
$.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE));
const std::string output_s = GET_REDIRECT_OUTPUT;
// for each file: top5 results + overall + empty line
ASSERT_EQUALS((5 + 1 + 1) * 2LL, cppcheck::count_all_of(output_s, '\n'));
}
void showtime_top5_summary() {
REDIRECT;
check(2, 0,
"int main() {}",
dinit(CheckOptions,
$.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY));
const std::string output_s = GET_REDIRECT_OUTPUT;
// once: top5 results + overall + empty line
ASSERT_EQUALS(5 + 1 + 1, cppcheck::count_all_of(output_s, '\n'));
// should only report the top5 once
ASSERT(output_s.find("1 result(s)") == std::string::npos);
ASSERT(output_s.find("2 result(s)") != std::string::npos);
}
void showtime_file() {
REDIRECT;
check(2, 0,
"int main() {}",
dinit(CheckOptions,
$.showtime = SHOWTIME_MODES::SHOWTIME_FILE));
const std::string output_s = GET_REDIRECT_OUTPUT;
ASSERT_EQUALS(2, cppcheck::count_all_of(output_s, "Overall time:"));
}
void showtime_summary() {
REDIRECT;
check(2, 0,
"int main() {}",
dinit(CheckOptions,
$.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
const std::string output_s = GET_REDIRECT_OUTPUT;
// should only report the actual summary once
ASSERT(output_s.find("1 result(s)") == std::string::npos);
ASSERT(output_s.find("2 result(s)") != std::string::npos);
}
void showtime_file_total() {
REDIRECT;
check(2, 0,
"int main() {}",
dinit(CheckOptions,
$.showtime = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL));
const std::string output_s = GET_REDIRECT_OUTPUT;
ASSERT(output_s.find("Check time: " + fprefix() + "_" + zpad3(1) + ".cpp: ") != std::string::npos);
ASSERT(output_s.find("Check time: " + fprefix() + "_" + zpad3(2) + ".cpp: ") != std::string::npos);
}
void suppress_error_library() {
SUPPRESS;
const Settings settingsOld = settings;
const char xmldata[] = R"(<def format="2"><markup ext=".cpp" reporterrors="false"/></def>)";
settings = settingsBuilder().libraryxml(xmldata, sizeof(xmldata)).build();
check(1, 0,
"int main()\n"
"{\n"
" int i = *((int*)0);\n"
" return 0;\n"
"}");
ASSERT_EQUALS("", errout_str());
settings = settingsOld;
}
void unique_errors() {
SUPPRESS;
ScopedFile inc_h(fprefix() + ".h",
"inline void f()\n"
"{\n"
" (void)*((int*)0);\n"
"}");
check(2, 2,
"#include \"" + inc_h.name() + "\"");
// these are not actually made unique by the implementation. That needs to be done by the given ErrorLogger
ASSERT_EQUALS(
"[" + inc_h.name() + ":3]: (error) Null pointer dereference: (int*)0\n"
"[" + inc_h.name() + ":3]: (error) Null pointer dereference: (int*)0\n",
errout_str());
}
// TODO: test whole program analysis
// TODO: test unique errors
};
class TestSingleExecutorFiles : public TestSingleExecutorBase {
public:
TestSingleExecutorFiles() : TestSingleExecutorBase("TestSingleExecutorFiles", false) {}
};
class TestSingleExecutorFS : public TestSingleExecutorBase {
public:
TestSingleExecutorFS() : TestSingleExecutorBase("TestSingleExecutorFS", true) {}
};
REGISTER_TEST(TestSingleExecutorFiles)
REGISTER_TEST(TestSingleExecutorFS)
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