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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Assertions.h>
#include <AK/CheckedFormatString.h>
namespace AK {
template<typename... Parameters>
void warnln(CheckedFormatString<Parameters...>&& fmtstr, const Parameters&...);
// Declare a helper so that we can call it from VERIFY in included headers
// before defining TestSuite
inline void current_test_case_did_fail();
}
using AK::warnln;
#undef VERIFY
#define VERIFY(x) \
do { \
if (!(x)) { \
::AK::warnln("\033[31;1mFAIL\033[0m: {}:{}: VERIFY({}) failed", __FILE__, __LINE__, #x); \
current_test_case_did_fail(); \
} \
} while (false)
#undef VERIFY_NOT_REACHED
#define VERIFY_NOT_REACHED() \
do { \
::AK::warnln("\033[31;1mFAIL\033[0m: {}:{}: VERIFY_NOT_REACHED() called", __FILE__, __LINE__); \
::abort(); \
} while (false)
#undef TODO
#define TODO() \
do { \
::AK::warnln(stderr, "\033[31;1mFAIL\033[0m: {}:{}: TODO() called", __FILE__, __LINE__); \
::abort(); \
} while (false)
#include <AK/Format.h>
#include <AK/Function.h>
#include <AK/NonnullRefPtrVector.h>
#include <AK/String.h>
#include <LibCore/ArgsParser.h>
#include <stdlib.h>
#include <sys/time.h>
namespace AK {
class TestElapsedTimer {
public:
TestElapsedTimer() { restart(); }
void restart() { gettimeofday(&m_started, nullptr); }
u64 elapsed_milliseconds()
{
struct timeval now;
gettimeofday(&now, nullptr);
struct timeval delta;
timersub(&now, &m_started, &delta);
return delta.tv_sec * 1000 + delta.tv_usec / 1000;
}
private:
struct timeval m_started;
};
using TestFunction = Function<void()>;
class TestCase : public RefCounted<TestCase> {
public:
TestCase(const String& name, TestFunction&& fn, bool is_benchmark)
: m_name(name)
, m_function(move(fn))
, m_is_benchmark(is_benchmark)
{
}
bool is_benchmark() const { return m_is_benchmark; }
const String& name() const { return m_name; }
const TestFunction& func() const { return m_function; }
private:
String m_name;
TestFunction m_function;
bool m_is_benchmark;
};
class TestSuite {
public:
static TestSuite& the()
{
if (s_global == nullptr)
s_global = new TestSuite();
return *s_global;
}
static void release()
{
if (s_global)
delete s_global;
s_global = nullptr;
}
int run(const NonnullRefPtrVector<TestCase>&);
int main(const String& suite_name, int argc, char** argv);
NonnullRefPtrVector<TestCase> find_cases(const String& search, bool find_tests, bool find_benchmarks);
void add_case(const NonnullRefPtr<TestCase>& test_case)
{
m_cases.append(test_case);
}
void current_test_case_did_fail() { m_current_test_case_passed = false; }
private:
static TestSuite* s_global;
NonnullRefPtrVector<TestCase> m_cases;
u64 m_testtime = 0;
u64 m_benchtime = 0;
String m_suite_name;
bool m_current_test_case_passed = true;
};
inline void current_test_case_did_fail() { TestSuite::the().current_test_case_did_fail(); }
int TestSuite::main(const String& suite_name, int argc, char** argv)
{
m_suite_name = suite_name;
Core::ArgsParser args_parser;
bool do_tests_only = false;
bool do_benchmarks_only = false;
bool do_list_cases = false;
const char* search_string = "*";
args_parser.add_option(do_tests_only, "Only run tests.", "tests", 0);
args_parser.add_option(do_benchmarks_only, "Only run benchmarks.", "bench", 0);
args_parser.add_option(do_list_cases, "List available test cases.", "list", 0);
args_parser.add_positional_argument(search_string, "Only run matching cases.", "pattern", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
const auto& matching_tests = find_cases(search_string, !do_benchmarks_only, !do_tests_only);
if (do_list_cases) {
outln("Available cases for {}:", suite_name);
for (const auto& test : matching_tests) {
outln(" {}", test.name());
}
return 0;
}
outln("Running {} cases out of {}.", matching_tests.size(), m_cases.size());
return run(matching_tests);
}
NonnullRefPtrVector<TestCase> TestSuite::find_cases(const String& search, bool find_tests, bool find_benchmarks)
{
NonnullRefPtrVector<TestCase> matches;
for (const auto& t : m_cases) {
if (!search.is_empty() && !t.name().matches(search, CaseSensitivity::CaseInsensitive)) {
continue;
}
if (!find_tests && !t.is_benchmark()) {
continue;
}
if (!find_benchmarks && t.is_benchmark()) {
continue;
}
matches.append(t);
}
return matches;
}
int TestSuite::run(const NonnullRefPtrVector<TestCase>& tests)
{
size_t test_count = 0;
size_t test_failed_count = 0;
size_t benchmark_count = 0;
TestElapsedTimer global_timer;
for (const auto& t : tests) {
const auto test_type = t.is_benchmark() ? "benchmark" : "test";
warnln("Running {} '{}'.", test_type, t.name());
m_current_test_case_passed = true;
TestElapsedTimer timer;
t.func()();
const auto time = timer.elapsed_milliseconds();
dbgln("{} {} '{}' in {}ms", m_current_test_case_passed ? "Completed" : "Failed", test_type, t.name(), time);
if (t.is_benchmark()) {
m_benchtime += time;
benchmark_count++;
} else {
m_testtime += time;
test_count++;
}
if (!m_current_test_case_passed) {
test_failed_count++;
}
}
dbgln("Finished {} tests and {} benchmarks in {}ms ({}ms tests, {}ms benchmarks, {}ms other).",
test_count,
benchmark_count,
global_timer.elapsed_milliseconds(),
m_testtime,
m_benchtime,
global_timer.elapsed_milliseconds() - (m_testtime + m_benchtime));
dbgln("Out of {} tests, {} passed and {} failed.", test_count, test_count - test_failed_count, test_failed_count);
return (int)test_failed_count;
}
}
using AK::current_test_case_did_fail;
using AK::TestCase;
using AK::TestSuite;
#define __TESTCASE_FUNC(x) __test_##x
#define __TESTCASE_TYPE(x) __TestCase_##x
#define TEST_CASE(x) \
static void __TESTCASE_FUNC(x)(); \
struct __TESTCASE_TYPE(x) { \
__TESTCASE_TYPE(x) \
() { TestSuite::the().add_case(adopt_ref(*new TestCase(#x, __TESTCASE_FUNC(x), false))); } \
}; \
static struct __TESTCASE_TYPE(x) __TESTCASE_TYPE(x); \
static void __TESTCASE_FUNC(x)()
#define __BENCHMARK_FUNC(x) __benchmark_##x
#define __BENCHMARK_TYPE(x) __BenchmarkCase_##x
#define BENCHMARK_CASE(x) \
static void __BENCHMARK_FUNC(x)(); \
struct __BENCHMARK_TYPE(x) { \
__BENCHMARK_TYPE(x) \
() { TestSuite::the().add_case(adopt_ref(*new TestCase(#x, __BENCHMARK_FUNC(x), true))); } \
}; \
static struct __BENCHMARK_TYPE(x) __BENCHMARK_TYPE(x); \
static void __BENCHMARK_FUNC(x)()
#define TEST_MAIN(x) \
TestSuite* TestSuite::s_global = nullptr; \
template<size_t N> \
constexpr size_t compiletime_lenof(const char(&)[N]) \
{ \
return N - 1; \
} \
int main(int argc, char** argv) \
{ \
static_assert(compiletime_lenof(#x) != 0, "Set SuiteName"); \
int ret = TestSuite::the().main(#x, argc, argv); \
TestSuite::release(); \
return ret; \
}
#define EXPECT_EQ(a, b) \
do { \
auto lhs = (a); \
auto rhs = (b); \
if (lhs != rhs) { \
warnln("\033[31;1mFAIL\033[0m: {}:{}: EXPECT_EQ({}, {}) failed with lhs={} and rhs={}", __FILE__, __LINE__, #a, #b, FormatIfSupported { lhs }, FormatIfSupported { rhs }); \
current_test_case_did_fail(); \
} \
} while (false)
// If you're stuck and `EXPECT_EQ` seems to refuse to print anything useful,
// try this: It'll spit out a nice compiler error telling you why it doesn't print.
#define EXPECT_EQ_FORCE(a, b) \
do { \
auto lhs = (a); \
auto rhs = (b); \
if (lhs != rhs) { \
warnln("\033[31;1mFAIL\033[0m: {}:{}: EXPECT_EQ({}, {}) failed with lhs={} and rhs={}", __FILE__, __LINE__, #a, #b, lhs, rhs); \
current_test_case_did_fail(); \
} \
} while (false)
#define EXPECT(x) \
do { \
if (!(x)) { \
warnln("\033[31;1mFAIL\033[0m: {}:{}: EXPECT({}) failed", __FILE__, __LINE__, #x); \
current_test_case_did_fail(); \
} \
} while (false)
#define EXPECT_APPROXIMATE(a, b) \
do { \
auto expect_close_lhs = a; \
auto expect_close_rhs = b; \
auto expect_close_diff = static_cast<double>(expect_close_lhs) - static_cast<double>(expect_close_rhs); \
if (fabs(expect_close_diff) > 0.0000005) { \
warnln("\033[31;1mFAIL\033[0m: {}:{}: EXPECT_APPROXIMATE({}, {})" \
" failed with lhs={}, rhs={}, (lhs-rhs)={}", \
__FILE__, __LINE__, #a, #b, expect_close_lhs, expect_close_rhs, expect_close_diff); \
current_test_case_did_fail(); \
} \
} while (false)
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