281 lines
13 KiB
C++
281 lines
13 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2023 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef fixtureH
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#define fixtureH
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#include "check.h"
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#include "color.h"
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#include "config.h"
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#include "errorlogger.h"
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#include "library.h"
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#include "platform.h"
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#include "settings.h"
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#include "standards.h"
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#include <cstddef>
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#include <list>
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#include <sstream>
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#include <stdexcept>
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#include <string>
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#include <utility>
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class options;
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class Tokenizer;
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enum class Certainty;
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enum class Severity;
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class TestFixture : public ErrorLogger {
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private:
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static std::ostringstream errmsg;
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static unsigned int countTests;
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static std::size_t fails_counter;
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static std::size_t todos_counter;
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static std::size_t succeeded_todos_counter;
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bool mVerbose{};
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std::string mTemplateFormat;
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std::string mTemplateLocation;
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std::string mTestname;
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protected:
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std::string exename;
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std::string testToRun;
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bool quiet_tests{};
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virtual void run() = 0;
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bool prepareTest(const char testname[]);
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virtual void prepareTestInternal() {}
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virtual void teardownTestInternal() {}
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std::string getLocationStr(const char * const filename, const unsigned int linenr) const;
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bool assert_(const char * const filename, const unsigned int linenr, const bool condition) const;
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template<typename T, typename U>
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bool assertEquals(const char* const filename, const unsigned int linenr, const T& expected, const U& actual, const std::string& msg = emptyString) const {
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if (expected != actual) {
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std::ostringstream expectedStr;
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expectedStr << expected;
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std::ostringstream actualStr;
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actualStr << actual;
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assertEqualsFailed(filename, linenr, expectedStr.str(), actualStr.str(), msg);
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}
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return expected == actual;
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}
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//Helper function to be called when an assertEquals assertion fails.
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//Writes the appropriate failure message to errmsg and increments fails_counter
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void assertEqualsFailed(const char* const filename, const unsigned int linenr, const std::string& expected, const std::string& actual, const std::string& msg) const;
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bool assertEquals(const char * const filename, const unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg = emptyString) const;
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void assertEqualsWithoutLineNumbers(const char * const filename, const unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg = emptyString) const;
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bool assertEquals(const char * const filename, const unsigned int linenr, const char expected[], const std::string& actual, const std::string &msg = emptyString) const;
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bool assertEquals(const char * const filename, const unsigned int linenr, const char expected[], const char actual[], const std::string &msg = emptyString) const;
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bool assertEquals(const char * const filename, const unsigned int linenr, const std::string& expected, const char actual[], const std::string &msg = emptyString) const;
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bool assertEquals(const char * const filename, const unsigned int linenr, const long long expected, const long long actual, const std::string &msg = emptyString) const;
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void assertEqualsDouble(const char * const filename, const unsigned int linenr, const double expected, const double actual, const double tolerance, const std::string &msg = emptyString) const;
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void todoAssertEquals(const char * const filename, const unsigned int linenr, const std::string &wanted,
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const std::string ¤t, const std::string &actual) const;
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void todoAssertEquals(const char * const filename, const unsigned int linenr, const char wanted[],
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const char current[], const std::string &actual) const;
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void todoAssertEquals(const char * const filename, const unsigned int linenr, const long long wanted,
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const long long current, const long long actual) const;
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void assertThrow(const char * const filename, const unsigned int linenr) const;
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void assertThrowFail(const char * const filename, const unsigned int linenr) const;
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void assertNoThrowFail(const char * const filename, const unsigned int linenr) const;
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static std::string deleteLineNumber(const std::string &message);
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void setVerbose(bool v) {
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mVerbose = v;
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}
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void setTemplateFormat(const std::string &templateFormat);
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void setMultiline() {
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setTemplateFormat("multiline");
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}
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void processOptions(const options& args);
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template<typename T>
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static T& getCheck()
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{
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for (Check *check : Check::instances()) {
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//cppcheck-suppress useStlAlgorithm
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if (T* c = dynamic_cast<T*>(check))
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return *c;
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}
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throw std::runtime_error("instance not found");
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}
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template<typename T>
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static void runChecks(const Tokenizer &tokenizer, ErrorLogger *errorLogger)
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{
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Check& check = getCheck<T>();
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check.runChecks(tokenizer, errorLogger);
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}
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class SettingsBuilder
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{
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public:
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explicit SettingsBuilder(const TestFixture &fixture) : fixture(fixture) {}
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SettingsBuilder(const TestFixture &fixture, Settings settings) : fixture(fixture), settings(std::move(settings)) {}
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SettingsBuilder& severity(Severity sev, bool b = true) {
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if (REDUNDANT_CHECK && settings.severity.isEnabled(sev) == b)
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throw std::runtime_error("redundant setting: severity");
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settings.severity.setEnabled(sev, b);
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return *this;
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}
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SettingsBuilder& certainty(Certainty cert, bool b = true) {
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if (REDUNDANT_CHECK && settings.certainty.isEnabled(cert) == b)
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throw std::runtime_error("redundant setting: certainty");
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settings.certainty.setEnabled(cert, b);
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return *this;
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}
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SettingsBuilder& clang() {
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if (REDUNDANT_CHECK && settings.clang)
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throw std::runtime_error("redundant setting: clang");
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settings.clang = true;
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return *this;
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}
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SettingsBuilder& checkLibrary() {
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if (REDUNDANT_CHECK && settings.checkLibrary)
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throw std::runtime_error("redundant setting: checkLibrary");
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settings.checkLibrary = true;
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return *this;
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}
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SettingsBuilder& checkUnusedTemplates(bool b = true) {
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if (REDUNDANT_CHECK && settings.checkUnusedTemplates == b)
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throw std::runtime_error("redundant setting: checkUnusedTemplates");
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settings.checkUnusedTemplates = b;
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return *this;
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}
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SettingsBuilder& debugwarnings(bool b = true) {
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if (REDUNDANT_CHECK && settings.debugwarnings == b)
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throw std::runtime_error("redundant setting: debugwarnings");
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settings.debugwarnings = b;
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return *this;
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}
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SettingsBuilder& c(Standards::cstd_t std) {
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// TODO: CLatest and C11 are the same - handle differently
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//if (REDUNDANT_CHECK && settings.standards.c == std)
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// throw std::runtime_error("redundant setting: standards.c");
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settings.standards.c = std;
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return *this;
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}
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SettingsBuilder& cpp(Standards::cppstd_t std) {
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// TODO: CPPLatest and CPP20 are the same - handle differently
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//if (REDUNDANT_CHECK && settings.standards.cpp == std)
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// throw std::runtime_error("redundant setting: standards.cpp");
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settings.standards.cpp = std;
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return *this;
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}
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SettingsBuilder& library(const char lib[]);
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SettingsBuilder& libraryxml(const char xmldata[], std::size_t len);
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SettingsBuilder& platform(Platform::Type type);
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SettingsBuilder& checkConfiguration() {
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if (REDUNDANT_CHECK && settings.checkConfiguration)
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throw std::runtime_error("redundant setting: checkConfiguration");
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settings.checkConfiguration = true;
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return *this;
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}
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SettingsBuilder& checkHeaders(bool b = true) {
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if (REDUNDANT_CHECK && settings.checkHeaders == b)
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throw std::runtime_error("redundant setting: checkHeaders");
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settings.checkHeaders = b;
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return *this;
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}
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Settings build() {
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return std::move(settings);
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}
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private:
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const TestFixture &fixture;
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Settings settings;
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const bool REDUNDANT_CHECK = false;
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};
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SettingsBuilder settingsBuilder() const {
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return SettingsBuilder(*this);
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}
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SettingsBuilder settingsBuilder(Settings settings) const {
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return SettingsBuilder(*this, std::move(settings));
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}
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public:
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void reportOut(const std::string &outmsg, Color c = Color::Reset) override;
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void reportErr(const ErrorMessage &msg) override;
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void run(const std::string &str);
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static void printHelp();
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const std::string classname;
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explicit TestFixture(const char * const _name);
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static std::size_t runTests(const options& args);
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};
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// TODO: fix these
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// NOLINTNEXTLINE(readability-redundant-declaration)
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extern std::ostringstream errout;
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// NOLINTNEXTLINE(readability-redundant-declaration)
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extern std::ostringstream output;
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// TODO: most asserts do not actually assert i.e. do not return
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#define TEST_CASE( NAME ) do { if (prepareTest(#NAME)) { setVerbose(false); NAME(); } } while (false)
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#define ASSERT( CONDITION ) if (!assert_(__FILE__, __LINE__, (CONDITION))) return
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#define ASSERT_LOC( CONDITION, FILE_, LINE_ ) assert_(FILE_, LINE_, (CONDITION))
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#define CHECK_EQUALS( EXPECTED, ACTUAL ) assertEquals(__FILE__, __LINE__, (EXPECTED), (ACTUAL))
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#define ASSERT_EQUALS( EXPECTED, ACTUAL ) if (!assertEquals(__FILE__, __LINE__, (EXPECTED), (ACTUAL))) return
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#define ASSERT_EQUALS_WITHOUT_LINENUMBERS( EXPECTED, ACTUAL ) assertEqualsWithoutLineNumbers(__FILE__, __LINE__, EXPECTED, ACTUAL)
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#define ASSERT_EQUALS_DOUBLE( EXPECTED, ACTUAL, TOLERANCE ) assertEqualsDouble(__FILE__, __LINE__, EXPECTED, ACTUAL, TOLERANCE)
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#define ASSERT_EQUALS_MSG( EXPECTED, ACTUAL, MSG ) assertEquals(__FILE__, __LINE__, EXPECTED, ACTUAL, MSG)
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#define ASSERT_THROW( CMD, EXCEPTION ) do { try { CMD; assertThrowFail(__FILE__, __LINE__); } catch (const EXCEPTION&) {} catch (...) { assertThrowFail(__FILE__, __LINE__); } } while (false)
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#define ASSERT_THROW_EQUALS( CMD, EXCEPTION, EXPECTED ) do { try { CMD; assertThrowFail(__FILE__, __LINE__); } catch (const EXCEPTION&e) { assertEquals(__FILE__, __LINE__, EXPECTED, e.errorMessage); } catch (...) { assertThrowFail(__FILE__, __LINE__); } } while (false)
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#define ASSERT_THROW_EQUALS_2( CMD, EXCEPTION, EXPECTED ) do { try { CMD; assertThrowFail(__FILE__, __LINE__); } catch (const EXCEPTION&e) { assertEquals(__FILE__, __LINE__, EXPECTED, e.what()); } catch (...) { assertThrowFail(__FILE__, __LINE__); } } while (false)
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#define ASSERT_NO_THROW( CMD ) do { try { CMD; } catch (...) { assertNoThrowFail(__FILE__, __LINE__); } } while (false)
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#define TODO_ASSERT_THROW( CMD, EXCEPTION ) do { try { CMD; } catch (const EXCEPTION&) {} catch (...) { assertThrow(__FILE__, __LINE__); } } while (false)
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#define TODO_ASSERT( CONDITION ) do { const bool condition=(CONDITION); todoAssertEquals(__FILE__, __LINE__, true, false, condition); } while (false)
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#define TODO_ASSERT_EQUALS( WANTED, CURRENT, ACTUAL ) todoAssertEquals(__FILE__, __LINE__, WANTED, CURRENT, ACTUAL)
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#define EXPECT_EQ( EXPECTED, ACTUAL ) assertEquals(__FILE__, __LINE__, EXPECTED, ACTUAL)
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#define REGISTER_TEST( CLASSNAME ) namespace { CLASSNAME instance_ ## CLASSNAME; }
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#define LOAD_LIB_2_EXE( LIB, NAME, EXE ) do { if (((LIB).load((EXE), NAME).errorcode != Library::ErrorCode::OK)) throw std::runtime_error("library '" + std::string(NAME) + "' not found"); } while (false)
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#define LOAD_LIB_2( LIB, NAME ) LOAD_LIB_2_EXE(LIB, NAME, exename.c_str())
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#define PLATFORM( P, T ) do { std::string errstr; assertEquals(__FILE__, __LINE__, true, P.set(Platform::toString(T), errstr, {exename}), errstr); } while (false)
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#endif // fixtureH
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