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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 "color.h"
#include "cppcheck.h"
#include "errorlogger.h"
#include "filesettings.h"
#include "fixture.h"
#include "helpers.h"
#include "settings.h"
#include "simplecpp.h"
#include <algorithm>
#include <list>
#include <string>
#include <vector>
class TestCppcheck : public TestFixture {
public:
TestCppcheck() : TestFixture("TestCppcheck") {}
private:
class ErrorLogger2 : public ErrorLogger {
public:
std::list<std::string> ids;
std::list<ErrorMessage> errmsgs;
private:
void reportOut(const std::string & /*outmsg*/, Color /*c*/ = Color::Reset) override {}
void reportErr(const ErrorMessage &msg) override {
ids.push_back(msg.id);
errmsgs.push_back(msg);
}
};
void run() override {
TEST_CASE(getErrorMessages);
TEST_CASE(checkWithFile);
TEST_CASE(checkWithFS);
TEST_CASE(suppress_error_library);
TEST_CASE(unique_errors);
TEST_CASE(isPremiumCodingStandardId);
TEST_CASE(getDumpFileContentsRawTokens);
TEST_CASE(getDumpFileContentsLibrary);
}
void getErrorMessages() const {
ErrorLogger2 errorLogger;
CppCheck::getErrorMessages(errorLogger);
ASSERT(!errorLogger.ids.empty());
// Check if there are duplicate error ids in errorLogger.id
std::string duplicate;
for (std::list<std::string>::const_iterator it = errorLogger.ids.cbegin();
it != errorLogger.ids.cend();
++it) {
if (std::find(errorLogger.ids.cbegin(), it, *it) != it) {
duplicate = "Duplicate ID: " + *it;
break;
}
}
ASSERT_EQUALS("", duplicate);
// Check for error ids from this class.
bool foundPurgedConfiguration = false;
bool foundTooManyConfigs = false;
for (const std::string & it : errorLogger.ids) {
if (it == "purgedConfiguration")
foundPurgedConfiguration = true;
else if (it == "toomanyconfigs")
foundTooManyConfigs = true;
}
ASSERT(foundPurgedConfiguration);
ASSERT(foundTooManyConfigs);
}
void checkWithFile() const
{
ScopedFile file("test.cpp",
"int main()\n"
"{\n"
" int i = *((int*)0);\n"
" return 0;\n"
"}");
ErrorLogger2 errorLogger;
CppCheck cppcheck(errorLogger, false, {});
ASSERT_EQUALS(1, cppcheck.check(FileWithDetails(file.path())));
// TODO: how to properly disable these warnings?
errorLogger.ids.erase(std::remove_if(errorLogger.ids.begin(), errorLogger.ids.end(), [](const std::string& id) {
return id == "logChecker";
}), errorLogger.ids.end());
ASSERT_EQUALS(1, errorLogger.ids.size());
ASSERT_EQUALS("nullPointer", *errorLogger.ids.cbegin());
}
void checkWithFS() const
{
ScopedFile file("test.cpp",
"int main()\n"
"{\n"
" int i = *((int*)0);\n"
" return 0;\n"
"}");
ErrorLogger2 errorLogger;
CppCheck cppcheck(errorLogger, false, {});
FileSettings fs{file.path()};
ASSERT_EQUALS(1, cppcheck.check(fs));
// TODO: how to properly disable these warnings?
errorLogger.ids.erase(std::remove_if(errorLogger.ids.begin(), errorLogger.ids.end(), [](const std::string& id) {
return id == "logChecker";
}), errorLogger.ids.end());
ASSERT_EQUALS(1, errorLogger.ids.size());
ASSERT_EQUALS("nullPointer", *errorLogger.ids.cbegin());
}
void suppress_error_library() const
{
ScopedFile file("test.cpp",
"int main()\n"
"{\n"
" int i = *((int*)0);\n"
" return 0;\n"
"}");
ErrorLogger2 errorLogger;
CppCheck cppcheck(errorLogger, false, {});
const char xmldata[] = R"(<def format="2"><markup ext=".cpp" reporterrors="false"/></def>)";
const Settings s = settingsBuilder().libraryxml(xmldata, sizeof(xmldata)).build();
cppcheck.settings() = s;
ASSERT_EQUALS(0, cppcheck.check(FileWithDetails(file.path())));
// TODO: how to properly disable these warnings?
errorLogger.ids.erase(std::remove_if(errorLogger.ids.begin(), errorLogger.ids.end(), [](const std::string& id) {
return id == "logChecker";
}), errorLogger.ids.end());
ASSERT_EQUALS(0, errorLogger.ids.size());
}
// TODO: hwo to actually get duplicated findings
void unique_errors() const
{
ScopedFile file("inc.h",
"inline void f()\n"
"{\n"
" (void)*((int*)0);\n"
"}");
ScopedFile test_file_a("a.cpp",
"#include \"inc.h\"");
ScopedFile test_file_b("b.cpp",
"#include \"inc.h\"");
ErrorLogger2 errorLogger;
CppCheck cppcheck(errorLogger, false, {});
ASSERT_EQUALS(1, cppcheck.check(FileWithDetails(test_file_a.path())));
ASSERT_EQUALS(1, cppcheck.check(FileWithDetails(test_file_b.path())));
// TODO: how to properly disable these warnings?
errorLogger.errmsgs.erase(std::remove_if(errorLogger.errmsgs.begin(), errorLogger.errmsgs.end(), [](const ErrorMessage& msg) {
return msg.id == "logChecker";
}), errorLogger.errmsgs.end());
// the internal errorlist is cleared after each check() call
ASSERT_EQUALS(2, errorLogger.errmsgs.size());
auto it = errorLogger.errmsgs.cbegin();
ASSERT_EQUALS("nullPointer", it->id);
++it;
ASSERT_EQUALS("nullPointer", it->id);
}
void isPremiumCodingStandardId() const {
ErrorLogger2 errorLogger;
CppCheck cppcheck(errorLogger, false, {});
cppcheck.settings().premiumArgs = "";
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("misra-c2012-0.0"));
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("misra-c2023-0.0"));
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("premium-misra-c2012-0.0"));
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("premium-misra-c2023-0.0"));
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("premium-misra-c++2008-0.0.0"));
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("premium-misra-c++2023-0.0.0"));
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("premium-cert-int50-cpp"));
ASSERT_EQUALS(false, cppcheck.isPremiumCodingStandardId("premium-autosar-0-0-0"));
cppcheck.settings().premiumArgs = "--misra-c-2012 --cert-c++-2016 --autosar";
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("misra-c2012-0.0"));
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("misra-c2023-0.0"));
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("premium-misra-c2012-0.0"));
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("premium-misra-c2023-0.0"));
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("premium-misra-c++2008-0.0.0"));
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("premium-misra-c++2023-0.0.0"));
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("premium-cert-int50-cpp"));
ASSERT_EQUALS(true, cppcheck.isPremiumCodingStandardId("premium-autosar-0-0-0"));
}
void getDumpFileContentsRawTokens() const {
ErrorLogger2 errorLogger;
CppCheck cppcheck(errorLogger, false, {});
cppcheck.settings() = settingsBuilder().build();
cppcheck.settings().relativePaths = true;
cppcheck.settings().basePaths.emplace_back("/some/path");
std::vector<std::string> files{"/some/path/test.cpp"};
simplecpp::TokenList tokens1(files);
const std::string expected = " <rawtokens>\n"
" <file index=\"0\" name=\"test.cpp\"/>\n"
" </rawtokens>\n";
ASSERT_EQUALS(expected, cppcheck.getDumpFileContentsRawTokens(files, tokens1));
}
void getDumpFileContentsLibrary() const {
ErrorLogger2 errorLogger;
CppCheck cppcheck(errorLogger, false, {});
cppcheck.settings().libraries.emplace_back("std.cfg");
std::vector<std::string> files{ "/some/path/test.cpp" };
const std::string expected1 = " <library lib=\"std.cfg\"/>\n";
ASSERT_EQUALS(expected1, cppcheck.getLibraryDumpData());
cppcheck.settings().libraries.emplace_back("posix.cfg");
const std::string expected2 = " <library lib=\"std.cfg\"/>\n <library lib=\"posix.cfg\"/>\n";
ASSERT_EQUALS(expected2, cppcheck.getLibraryDumpData());
}
// TODO: test suppressions
// TODO: test all with FS
};
REGISTER_TEST(TestCppcheck)