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302 lines
13 KiB
C++
302 lines
13 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define AK_TEST_SUITE
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extern "C" __attribute__((noreturn)) void abort() noexcept;
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namespace AK {
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template<typename... Parameters>
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void warnln(const char* fmtstr, const Parameters&...);
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}
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using AK::warnln;
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#define ASSERT(x) \
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do { \
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if (!(x)) \
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::AK::warnln("\033[31;1mFAIL\033[0m: {}:{}: ASSERT({}) failed", __FILE__, __LINE__, #x); \
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} while (false)
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#define RELEASE_ASSERT(x) \
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do { \
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if (!(x)) \
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::AK::warnln("\033[31;1mFAIL\033[0m: {}:{}: RELEASE_ASSERT({}) failed", __FILE__, __LINE__, #x); \
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} while (false)
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#define ASSERT_NOT_REACHED() \
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do { \
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::AK::warnln("\033[31;1mFAIL\033[0m: {}:{}: ASSERT_NOT_REACHED() called", __FILE__, __LINE__); \
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::abort(); \
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} while (false)
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#define TODO() \
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do { \
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::AK::warnln(stderr, "\033[31;1mFAIL\033[0m: {}:{}: TODO() called", __FILE__, __LINE__); \
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::abort(); \
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} while (false)
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#include <AK/Format.h>
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#include <AK/Function.h>
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/String.h>
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#include <LibCore/ArgsParser.h>
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#include <sys/time.h>
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namespace AK {
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class TestElapsedTimer {
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public:
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TestElapsedTimer() { restart(); }
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void restart() { gettimeofday(&m_started, nullptr); }
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u64 elapsed_milliseconds()
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{
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struct timeval now;
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gettimeofday(&now, nullptr);
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struct timeval delta;
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timersub(&now, &m_started, &delta);
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return delta.tv_sec * 1000 + delta.tv_usec / 1000;
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}
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private:
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struct timeval m_started;
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};
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using TestFunction = AK::Function<void()>;
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class TestCase : public RefCounted<TestCase> {
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public:
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TestCase(const String& name, TestFunction&& fn, bool is_benchmark)
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: m_name(name)
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, m_function(move(fn))
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, m_is_benchmark(is_benchmark)
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{
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}
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bool is_benchmark() const { return m_is_benchmark; }
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const String& name() const { return m_name; }
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const TestFunction& func() const { return m_function; }
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private:
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String m_name;
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TestFunction m_function;
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bool m_is_benchmark;
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};
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class TestSuite {
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public:
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static TestSuite& the()
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{
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if (s_global == nullptr)
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s_global = new TestSuite();
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return *s_global;
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}
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static void release()
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{
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if (s_global)
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delete s_global;
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s_global = nullptr;
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}
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void run(const NonnullRefPtrVector<TestCase>&);
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void main(const String& suite_name, int argc, char** argv);
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NonnullRefPtrVector<TestCase> find_cases(const String& search, bool find_tests, bool find_benchmarks);
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void add_case(const NonnullRefPtr<TestCase>& test_case)
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{
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m_cases.append(test_case);
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}
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private:
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static TestSuite* s_global;
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NonnullRefPtrVector<TestCase> m_cases;
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u64 m_testtime = 0;
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u64 m_benchtime = 0;
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String m_suite_name;
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};
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void TestSuite::main(const String& suite_name, int argc, char** argv)
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{
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m_suite_name = suite_name;
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Core::ArgsParser args_parser;
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bool do_tests_only = false;
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bool do_benchmarks_only = false;
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bool do_list_cases = false;
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const char* search_string = "*";
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args_parser.add_option(do_tests_only, "Only run tests.", "tests", 0);
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args_parser.add_option(do_benchmarks_only, "Only run benchmarks.", "bench", 0);
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args_parser.add_option(do_list_cases, "List available test cases.", "list", 0);
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args_parser.add_positional_argument(search_string, "Only run matching cases.", "pattern", Core::ArgsParser::Required::No);
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args_parser.parse(argc, argv);
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const auto& matching_tests = find_cases(search_string, !do_benchmarks_only, !do_tests_only);
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if (do_list_cases) {
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outln("Available cases for {}:", suite_name);
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for (const auto& test : matching_tests) {
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outln(" {}", test.name());
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}
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} else {
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outln("Running {} cases out of {}.", matching_tests.size(), m_cases.size());
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run(matching_tests);
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}
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}
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NonnullRefPtrVector<TestCase> TestSuite::find_cases(const String& search, bool find_tests, bool find_benchmarks)
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{
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NonnullRefPtrVector<TestCase> matches;
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for (const auto& t : m_cases) {
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if (!search.is_empty() && !t.name().matches(search, CaseSensitivity::CaseInsensitive)) {
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continue;
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}
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if (!find_tests && !t.is_benchmark()) {
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continue;
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}
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if (!find_benchmarks && t.is_benchmark()) {
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continue;
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}
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matches.append(t);
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}
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return matches;
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}
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void TestSuite::run(const NonnullRefPtrVector<TestCase>& tests)
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{
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size_t test_count = 0;
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size_t benchmark_count = 0;
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TestElapsedTimer global_timer;
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for (const auto& t : tests) {
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const auto test_type = t.is_benchmark() ? "benchmark" : "test";
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warnln("Running {} '{}'.", test_type, t.name());
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TestElapsedTimer timer;
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t.func()();
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const auto time = timer.elapsed_milliseconds();
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dbgln("Completed {} '{}' in {}ms", test_type, t.name(), time);
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if (t.is_benchmark()) {
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m_benchtime += time;
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benchmark_count++;
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} else {
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m_testtime += time;
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test_count++;
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}
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}
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dbgln("Finished {} tests and {} benchmarks in {}ms ({}ms tests, {}ms benchmarks, {}ms other).",
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test_count,
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benchmark_count,
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global_timer.elapsed_milliseconds(),
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m_testtime,
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m_benchtime,
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global_timer.elapsed_milliseconds() - (m_testtime + m_benchtime));
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}
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}
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using AK::TestCase;
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using AK::TestSuite;
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#define __TESTCASE_FUNC(x) __test_##x
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#define __TESTCASE_TYPE(x) __TestCase_##x
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#define TEST_CASE(x) \
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static void __TESTCASE_FUNC(x)(); \
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struct __TESTCASE_TYPE(x) { \
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__TESTCASE_TYPE(x) \
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() { TestSuite::the().add_case(adopt(*new TestCase(#x, __TESTCASE_FUNC(x), false))); } \
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}; \
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static struct __TESTCASE_TYPE(x) __TESTCASE_TYPE(x); \
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static void __TESTCASE_FUNC(x)()
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#define __BENCHMARK_FUNC(x) __benchmark_##x
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#define __BENCHMARK_TYPE(x) __BenchmarkCase_##x
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#define BENCHMARK_CASE(x) \
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static void __BENCHMARK_FUNC(x)(); \
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struct __BENCHMARK_TYPE(x) { \
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__BENCHMARK_TYPE(x) \
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() { TestSuite::the().add_case(adopt(*new TestCase(#x, __BENCHMARK_FUNC(x), true))); } \
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}; \
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static struct __BENCHMARK_TYPE(x) __BENCHMARK_TYPE(x); \
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static void __BENCHMARK_FUNC(x)()
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#define TEST_MAIN(x) \
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TestSuite* TestSuite::s_global = nullptr; \
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template<size_t N> \
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constexpr size_t compiletime_lenof(const char(&)[N]) \
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{ \
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return N - 1; \
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} \
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int main(int argc, char** argv) \
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{ \
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static_assert(compiletime_lenof(#x) != 0, "Set SuiteName"); \
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TestSuite::the().main(#x, argc, argv); \
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TestSuite::release(); \
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}
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#define EXPECT_EQ(a, b) \
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do { \
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auto lhs = (a); \
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auto rhs = (b); \
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if (lhs != rhs) \
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warnln("\033[31;1mFAIL\033[0m: {}:{}: EXPECT_EQ({}, {}) failed with lhs={} and rhs={}", __FILE__, __LINE__, #a, #b, FormatIfSupported { lhs }, FormatIfSupported { rhs }); \
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} while (false)
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// If you're stuck and `EXPECT_EQ` seems to refuse to print anything useful,
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// try this: It'll spit out a nice compiler error telling you why it doesn't print.
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#define EXPECT_EQ_FORCE(a, b) \
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do { \
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auto lhs = (a); \
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auto rhs = (b); \
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if (lhs != rhs) \
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warnln("\033[31;1mFAIL\033[0m: {}:{}: EXPECT_EQ({}, {}) failed with lhs={} and rhs={}", __FILE__, __LINE__, #a, #b, lhs, rhs); \
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} while (false)
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#define EXPECT(x) \
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do { \
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if (!(x)) \
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warnln("\033[31;1mFAIL\033[0m: {}:{}: EXPECT({}) failed", __FILE__, __LINE__, #x); \
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} while (false)
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