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Diffstat (limited to 'source/kit/test.h')
| -rw-r--r-- | source/kit/test.h | 1113 |
1 files changed, 1113 insertions, 0 deletions
diff --git a/source/kit/test.h b/source/kit/test.h new file mode 100644 index 0000000..b6be132 --- /dev/null +++ b/source/kit/test.h @@ -0,0 +1,1113 @@ +// ================================================================ +// +// test.h +// https://guattari.tech/git/kit +// +// Header-only unit-testing and microbenchmarks framework for C. +// +// +// - Define a unique KIT_TEST_FILE for each file to avoid name +// collisions. +// +// - Define KIT_TEST_IMPLEMENTATION to include the implementation. +// +// +// Optional settings +// +// - KIT_TESTS_SIZE_LIMIT +// - KIT_TEST_ASSERTIONS_LIMIT +// - KIT_BENCHS_SIZE_LIMIT +// - KIT_BENCH_MAX_REPEATS +// - KIT_BENCH_MAX_CYCLES +// - KIT_BENCH_REPEATS_DEFAULT_1 +// - KIT_BENCH_REPEATS_DEFAULT_2 +// +// +// Usage example +// +// // foo.test.c +// #define KIT_TEST_FILE foo // This is required if you want to +// // use multiple test files. +// #include "test.h" +// TEST("foo") { +// REQUIRE(1); +// REQUIRE_EQ(2 + 2, 4); +// } +// +// // main.c +// #include "test.h" +// int main(int argc, char **argv) { +// return run_tests(argc, argv); +// } +// +// ================================================================ +// +// The MIT License +// +// Copyright (c) 2022-2023 Mitya Selivanov +// +// Permission is hereby granted, free of charge, to any person +// obtaining a copy of this software and associated documentation +// files (the "Software"), to deal in the Software without +// restriction, including without limitation the rights to use, copy, +// modify, merge, publish, distribute, sublicense, and/or sell copies +// of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +// DEALINGS IN THE SOFTWARE. +// +// ================================================================ + +#ifndef KIT_TEST_H +#define KIT_TEST_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _GNU_SOURCE +# define _GNU_SOURCE +#endif + +#include <stddef.h> +#include <stdint.h> + +#ifndef KIT_TEST_FILE +# define KIT_TEST_FILE kit_test +#endif + +#ifndef KIT_TESTS_SIZE_LIMIT +# define KIT_TESTS_SIZE_LIMIT 0x1000 +#endif + +#ifndef KIT_TEST_ASSERTIONS_LIMIT +# define KIT_TEST_ASSERTIONS_LIMIT 0x50 +#endif + +#ifndef KIT_BENCHS_SIZE_LIMIT +# define KIT_BENCHS_SIZE_LIMIT 200 +#endif + +#ifndef KIT_BENCH_MAX_REPEATS +# define KIT_BENCH_MAX_REPEATS 4000 +#endif + +#ifndef KIT_BENCH_MAX_CYCLES +# define KIT_BENCH_MAX_CYCLES 40 +#endif + +#ifndef KIT_BENCH_REPEATS_DEFAULT_1 +# define KIT_BENCH_REPEATS_DEFAULT_1 40 +#endif + +#ifndef KIT_BENCH_REPEATS_DEFAULT_2 +# define KIT_BENCH_REPEATS_DEFAULT_2 400 +#endif + +typedef void (*kit_test_report_fn)(int test_index, int line, + int64_t value, int64_t expected); +typedef void (*kit_test_run_fn)( + int kit_test_index_, kit_test_report_fn kit_test_report_fn_); + +typedef struct { + char const *test_name; + char const *test_file; + kit_test_run_fn test_fn; + int assertions; + int line[KIT_TEST_ASSERTIONS_LIMIT]; + int status[KIT_TEST_ASSERTIONS_LIMIT]; + int64_t value[KIT_TEST_ASSERTIONS_LIMIT]; + int64_t expected[KIT_TEST_ASSERTIONS_LIMIT]; + int signal; +} kit_test_case_t; + +typedef struct { + int size; + kit_test_case_t v[KIT_TESTS_SIZE_LIMIT]; +} kit_tests_list_t; + +extern kit_tests_list_t kit_tests_list; + +#define KIT_TEST_CONCAT4_(a, b, c, d) a##b##c##d +#define KIT_TEST_CONCAT3_(a, b, c) KIT_TEST_CONCAT4_(a, b, _, c) + +#ifdef __cplusplus +# define KIT_TEST_ON_START_(f) \ + static void f(void); \ + static int KIT_TEST_CONCAT3_(_kit_test_init_, __LINE__, \ + f) = (f(), 0); \ + static void f(void) +#else +# ifdef _MSC_VER +# pragma section(".CRT$XCU", read) +# define KIT_TEST_ON_START_2_(f, p) \ + static void f(void); \ + __declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \ + __pragma(comment(linker, "/include:" p #f "_")) static void f( \ + void) +# ifdef _WIN64 +# define KIT_TEST_ON_START_(f) KIT_TEST_ON_START_2_(f, "") +# else +# define KIT_TEST_ON_START_(f) KIT_TEST_ON_START_2_(f, "_") +# endif +# else +# define KIT_TEST_ON_START_(f) \ + static void f(void) __attribute__((constructor)); \ + static void f(void) +# endif +#endif + +void kit_test_register(char const *name, char const *file, + kit_test_run_fn fn); + +#define KIT_TEST(name) \ + static void KIT_TEST_CONCAT3_(kit_test_run_, __LINE__, \ + KIT_TEST_FILE)(int, \ + kit_test_report_fn); \ + KIT_TEST_ON_START_( \ + KIT_TEST_CONCAT3_(kit_test_case_, __LINE__, KIT_TEST_FILE)) { \ + kit_test_register( \ + name, __FILE__, \ + KIT_TEST_CONCAT3_(kit_test_run_, __LINE__, KIT_TEST_FILE)); \ + } \ + static void KIT_TEST_CONCAT3_(kit_test_run_, __LINE__, \ + KIT_TEST_FILE)( \ + int kit_test_index_, kit_test_report_fn kit_test_report_fn_) + +#define KIT_REQUIRE(...) \ + kit_test_report_fn_(kit_test_index_, __LINE__, (__VA_ARGS__), 1) + +#define KIT_REQUIRE_EQ(...) \ + kit_test_report_fn_(kit_test_index_, __LINE__, __VA_ARGS__) + +int kit_run_tests(int argc, char **argv); + +typedef void (*kit_bench_set_repeats_limit_fn)(int bench_index, + int repeats_limit); +typedef int (*kit_bench_loop_fn)(int bench_index); +typedef void (*kit_bench_begin_fn)(int bench_index); +typedef void (*kit_bench_end_fn)(int bench_index); + +typedef void (*kit_bench_run_fn)( + int kit_bench_index_, + kit_bench_set_repeats_limit_fn kit_bench_set_repeats_limit_, + kit_bench_loop_fn kit_bench_loop_, + kit_bench_begin_fn kit_bench_begin_, + kit_bench_end_fn kit_bench_end_); + +typedef struct { + char const *bench_name; + char const *bench_file; + kit_bench_run_fn bench_fn; + int64_t sec[KIT_BENCH_MAX_REPEATS]; + int32_t nsec[KIT_BENCH_MAX_REPEATS]; + int64_t duration_nsec[KIT_BENCH_MAX_REPEATS]; + int64_t duration_sorted_nsec[KIT_BENCH_MAX_REPEATS]; + int repeats; + int cycles_size; + int cycles[KIT_BENCH_MAX_CYCLES]; + int cycle; + int signal; + int ready; +} kit_benchmark_t; + +typedef struct { + int size; + kit_benchmark_t v[KIT_BENCHS_SIZE_LIMIT]; +} kit_benchs_list_t; + +extern kit_benchs_list_t kit_benchs_list; + +void kit_bench_register(char const *name, char const *file, + kit_bench_run_fn fn); + +#define KIT_BENCHMARK(name) \ + static void KIT_TEST_CONCAT3_(kit_bench_run_, __LINE__, \ + KIT_TEST_FILE)( \ + int, kit_bench_set_repeats_limit_fn, kit_bench_loop_fn, \ + kit_bench_begin_fn, kit_bench_end_fn); \ + KIT_TEST_ON_START_( \ + KIT_TEST_CONCAT3_(kit_benchmark_, __LINE__, KIT_TEST_FILE)) { \ + kit_bench_register( \ + name, __FILE__, \ + KIT_TEST_CONCAT3_(kit_bench_run_, __LINE__, KIT_TEST_FILE)); \ + } \ + static void KIT_TEST_CONCAT3_(kit_bench_run_, __LINE__, \ + KIT_TEST_FILE)( \ + int kit_bench_index_, \ + kit_bench_set_repeats_limit_fn kit_bench_set_repeats_limit_, \ + kit_bench_loop_fn kit_bench_loop_, \ + kit_bench_begin_fn kit_bench_begin_, \ + kit_bench_end_fn kit_bench_end_) + +#define KIT_BENCHMARK_REPEAT(repeats_limit_) \ + kit_bench_set_repeats_limit_(kit_bench_index_, repeats_limit_) + +#define KIT_BENCHMARK_BEGIN \ + while (kit_bench_loop_(kit_bench_index_)) { \ + kit_bench_begin_(kit_bench_index_); \ + { + +#define KIT_BENCHMARK_END \ + } \ + kit_bench_end_(kit_bench_index_); \ + } + +// FIXME +// +#define KIT_DO_NOT_OPTIMIZE(x) \ + do { \ + volatile void *bench_ptr_ = &(x); \ + (void) bench_ptr_; \ + } while (0) + +int kit_run_benchmarks(int argc, char **argv); + +#ifndef KIT_DISABLE_SHORT_NAMES +# define TEST KIT_TEST +# define REQUIRE KIT_REQUIRE +# define REQUIRE_EQ KIT_REQUIRE_EQ +# define BENCHMARK KIT_BENCHMARK +# define BENCHMARK_REPEAT KIT_BENCHMARK_REPEAT +# define BENCHMARK_BEGIN KIT_BENCHMARK_BEGIN +# define BENCHMARK_END KIT_BENCHMARK_END +# define DO_NOT_OPTIMIZE KIT_DO_NOT_OPTIMIZE + +# define test_register kit_test_register +# define run_tests kit_run_tests +# define bench_register kit_bench_register +# define run_benchmarks kit_run_benchmarks +#endif + +#ifdef __cplusplus +} +#endif + +#endif + +#if defined(KIT_TEST_IMPLEMENTATION) && !defined(KIT_TEST_H_IMPL) +#define KIT_TEST_H_IMPL + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef KIT_TIME_H +# define KIT_TIME_H + +# include <time.h> + +# ifndef TIME_UTC +# define TIME_UTC 1 +# endif + +# ifdef KIT_REQUIRE_TIMESPEC_GET +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN 1 +# endif +# include <windows.h> + +# define KIT_TIMESPEC_IMPL_UNIX_EPOCH_IN_TICKS \ + 116444736000000000ull +# define KIT_TIMESPEC_IMPL_TICKS_PER_SECONDS 10000000ull + +static int timespec_get(struct timespec *ts, int base) { + if (ts == NULL || base != TIME_UTC) + return 0; + + FILETIME ft; + ULARGE_INTEGER date; + LONGLONG ticks; + + GetSystemTimeAsFileTime(&ft); + date.HighPart = ft.dwHighDateTime; + date.LowPart = ft.dwLowDateTime; + ticks = (LONGLONG) (date.QuadPart - + KIT_TIMESPEC_IMPL_UNIX_EPOCH_IN_TICKS); + ts->tv_sec = ticks / KIT_TIMESPEC_IMPL_TICKS_PER_SECONDS; + ts->tv_nsec = (ticks % KIT_TIMESPEC_IMPL_TICKS_PER_SECONDS) * 100; + + return base; +} +# endif + +#endif + +#include <setjmp.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +enum { + kit_white_, + kit_blue_, + kit_light_, + kit_yellow_, + kit_red_, + kit_green_ +}; + +static char const *kit_color_codes_[] = { "\x1b[38m", "\x1b[34m", + "\x1b[37m", "\x1b[33m", + "\x1b[31m", "\x1b[32m" }; + +static int kit_print_color_(int c) { + return printf("%s", kit_color_codes_[c]); +} + +static int kit_signums_[] = { SIGINT, SIGILL, SIGABRT, + SIGFPE, SIGSEGV, SIGTERM }; + +static char const *kit_signames_[64]; + +static void kit_signames_init_(void) { + memset(kit_signames_, 0, sizeof kit_signames_); + kit_signames_[SIGINT] = "Interactive attention signal"; + kit_signames_[SIGILL] = "Illegal instruction"; + kit_signames_[SIGABRT] = "Abnormal termination"; + kit_signames_[SIGFPE] = "Erroneous arithmetic operation"; + kit_signames_[SIGSEGV] = "Invalid access to storage"; + kit_signames_[SIGTERM] = "Termination request"; +} + +kit_tests_list_t kit_tests_list = { 0 }; + +static void kit_report_(int i, int line, int64_t value, + int64_t expected) { + int n = kit_tests_list.v[i].assertions++; + + if (n >= KIT_TEST_ASSERTIONS_LIMIT) + return; + + kit_tests_list.v[i].line[n] = line; + kit_tests_list.v[i].status[n] = value == expected; + kit_tests_list.v[i].value[n] = value; + kit_tests_list.v[i].expected[n] = expected; +} + +static int64_t ns_to_ms(int64_t ns) { + return (ns + 500000) / 1000000; +} + +static int64_t sec_to_ms(int64_t sec) { + return 1000 * sec; +} + +void kit_test_register(char const *name, char const *file, + kit_test_run_fn fn) { + int n = kit_tests_list.size++; + if (n < KIT_TESTS_SIZE_LIMIT) { + kit_tests_list.v[n].test_fn = fn; + kit_tests_list.v[n].test_name = name; + kit_tests_list.v[n].test_file = file; + kit_tests_list.v[n].assertions = 0; + } +} + +static jmp_buf kit_test_restore_execution; + +static void kit_test_handle_signal(int signum) { + longjmp(kit_test_restore_execution, signum); +} + +static void kit_test_setup_signals() { + for (int i = 0; i < sizeof kit_signums_ / sizeof *kit_signums_; i++) + signal(kit_signums_[i], kit_test_handle_signal); +} + +static int kit_run_test_(volatile int i) { + int signum = setjmp(kit_test_restore_execution); + + if (signum != 0) { + kit_tests_list.v[i].signal = signum; + return 0; + } + + kit_tests_list.v[i].test_fn(i, kit_report_); + return 1; +} + +int kit_run_tests(int argc, char **argv) { + kit_signames_init_(); + + int success_count = 0; + int fail_assertion_count = 0; + int total_assertion_count = 0; + int status = 0; + int quiet = 0; + int no_color = 0; + int line_width = 20; + int carriage_return = 1; + + int i, j; + + char const *specific_test = NULL; + + kit_test_setup_signals(); + + for (i = 0; i < argc; i++) + if (strcmp("--no-term-color", argv[i]) == 0) + no_color = 1; + else if (strcmp("--no-carriage-return", argv[i]) == 0) + carriage_return = 0; + else if (strcmp("--quiet", argv[i]) == 0) + quiet = 1; + else if (strcmp("--match", argv[i]) == 0) + specific_test = argv[++i]; + + quiet && (no_color = 1); + + if (specific_test != NULL) { + no_color || kit_print_color_(kit_light_); + quiet || printf("Run tests matching "); + no_color || kit_print_color_(kit_white_); + quiet || printf("*%s*", specific_test); + no_color || kit_print_color_(kit_light_); + quiet || printf("\n\n"); + } + + char const *file = NULL; + ptrdiff_t file_root = -1; + int tests_total = 0; + + for (i = 0; i < kit_tests_list.size && i < KIT_TESTS_SIZE_LIMIT; + i++) { + if (specific_test != NULL && + strstr(kit_tests_list.v[i].test_name, specific_test) == NULL) + continue; + tests_total++; + int l = 2 + (int) strlen(kit_tests_list.v[i].test_name); + if (line_width < l) + line_width = l; + } + + if (tests_total > 0) { + char const *s = kit_tests_list.v[0].test_file; + + for (j = 1; j < kit_tests_list.size && j < KIT_TESTS_SIZE_LIMIT; + j++) { + if (specific_test != NULL && + strstr(kit_tests_list.v[j].test_name, specific_test) == + NULL) + continue; + if (strcmp(s, kit_tests_list.v[j].test_file) == 0) + continue; + int k = 0; + for (; + s[k] != '\0' && kit_tests_list.v[j].test_file[k] != '\0' && + s[k] == kit_tests_list.v[j].test_file[k]; + k++) { } + if (file_root == -1 || file_root > k) + file_root = k; + } + + if (file_root == -1) { + for (i = 0; s[i] != '\0'; i++) + if (s[i] == '/' || s[i] == '\\') + file_root = i + 1; + } + } + + for (i = 0; i < kit_tests_list.size && i < KIT_TESTS_SIZE_LIMIT; + i++) { + if (specific_test != NULL && + strstr(kit_tests_list.v[i].test_name, specific_test) == NULL) + continue; + if (file == NULL || + strcmp(file, kit_tests_list.v[i].test_file) != 0) { + if (file != NULL) + quiet || printf("\n"); + file = kit_tests_list.v[i].test_file; + no_color || kit_print_color_(kit_blue_); + quiet || printf("* "); + no_color || kit_print_color_(kit_white_); + quiet || printf("%s\n", file + file_root); + } + + !carriage_return || no_color || kit_print_color_(kit_yellow_); + carriage_return || no_color || kit_print_color_(kit_light_); + quiet || printf("` %s ", kit_tests_list.v[i].test_name); + !carriage_return || quiet || printf("\r"); + quiet || fflush(stdout); + + struct timespec begin, end; + timespec_get(&begin, TIME_UTC); + + int test_status = kit_run_test_(i); + + timespec_get(&end, TIME_UTC); + int duration = (int) (ns_to_ms(end.tv_nsec - begin.tv_nsec) + + sec_to_ms(end.tv_sec - begin.tv_sec)); + + for (j = 0; j < kit_tests_list.v[i].assertions && + j < KIT_TEST_ASSERTIONS_LIMIT; + j++) + if (kit_tests_list.v[i].status[j] == 0) { + fail_assertion_count++; + test_status = 0; + } + + if (kit_tests_list.v[i].assertions > KIT_TEST_ASSERTIONS_LIMIT) + test_status = 0; + + total_assertion_count += kit_tests_list.v[i].assertions; + + !carriage_return || no_color || kit_print_color_(kit_light_); + !carriage_return || quiet || + printf("` %s ", kit_tests_list.v[i].test_name); + + int l = (int) strlen(kit_tests_list.v[i].test_name); + quiet || printf("%*c", line_width - l, ' '); + + if (test_status == 0) { + no_color || kit_print_color_(kit_red_); + quiet || printf("FAIL"); + no_color || kit_print_color_(kit_light_); + duration == 0 || quiet || printf(" %d ms", duration); + quiet || printf("\n"); + status = 1; + } else { + no_color || kit_print_color_(kit_green_); + quiet || printf("OK"); + no_color || kit_print_color_(kit_light_); + duration == 0 || quiet || printf(" %d ms", duration); + quiet || printf("\n"); + success_count++; + } + + quiet || fflush(stdout); + } + + no_color || kit_print_color_(kit_white_); + quiet || printf("\n%d of %d tests passed.\n", success_count, + tests_total); + quiet || printf("%d of %d assertions passed.\n\n", + total_assertion_count - fail_assertion_count, + total_assertion_count); + + no_color || kit_print_color_(kit_light_); + + if (!quiet && status != 0) { + int have_kit_report_s = 0; + + for (i = 0; i < kit_tests_list.size && i < KIT_TESTS_SIZE_LIMIT; + i++) { + if (specific_test != NULL && + strstr(kit_tests_list.v[i].test_name, specific_test) == + NULL) + continue; + if (kit_tests_list.v[i].signal != 0) { + int signum = kit_tests_list.v[i].signal; + if (signum >= 0 && + signum < sizeof kit_signames_ / sizeof *kit_signames_ && + kit_signames_[signum] != NULL) { + no_color || kit_print_color_(kit_light_); + printf("Signal \"%s\" (%d) for \"", kit_signames_[signum], + signum); + no_color || kit_print_color_(kit_white_); + printf("%s", kit_tests_list.v[i].test_name); + no_color || kit_print_color_(kit_light_); + printf("\" in \""); + no_color || kit_print_color_(kit_white_); + + printf("%s", kit_tests_list.v[i].test_file + file_root); + no_color || kit_print_color_(kit_light_); + printf("\"!\n"); + } else { + no_color || kit_print_color_(kit_light_); + printf("Unknown signal (%d) for \"", signum); + no_color || kit_print_color_(kit_white_); + printf("%s", kit_tests_list.v[i].test_name); + no_color || kit_print_color_(kit_light_); + printf("\" in \""); + no_color || kit_print_color_(kit_white_); + + printf("%s", kit_tests_list.v[i].test_file + file_root); + no_color || kit_print_color_(kit_light_); + printf("\"!\n"); + } + have_kit_report_s = 1; + } + if (kit_tests_list.v[i].assertions > + KIT_TEST_ASSERTIONS_LIMIT) { + no_color || kit_print_color_(kit_light_); + printf("Too many assertions for \""); + no_color || kit_print_color_(kit_white_); + printf("%s", kit_tests_list.v[i].test_name); + no_color || kit_print_color_(kit_light_); + printf("\" in \""); + no_color || kit_print_color_(kit_white_); + + printf("%s", kit_tests_list.v[i].test_file + file_root); + no_color || kit_print_color_(kit_light_); + printf("\"!\n"); + have_kit_report_s = 1; + } + } + + have_kit_report_s &&printf("\n"); + } + + if (!quiet && status != 0) { + for (i = 0; i < kit_tests_list.size && i < KIT_TESTS_SIZE_LIMIT; + i++) { + if (specific_test != NULL && + strstr(kit_tests_list.v[i].test_name, specific_test) == + NULL) + continue; + + if (kit_tests_list.v[i].assertions <= KIT_TEST_ASSERTIONS_LIMIT) + for (j = 0; j < kit_tests_list.v[i].assertions; j++) + if (!kit_tests_list.v[i].status[j]) { + no_color || kit_print_color_(kit_light_); + printf("Assertion on line "); + no_color || kit_print_color_(kit_white_); + printf("%d", kit_tests_list.v[i].line[j]); + no_color || kit_print_color_(kit_light_); + printf(" in \""); + no_color || kit_print_color_(kit_white_); + printf("%s", kit_tests_list.v[i].test_file + file_root); + no_color || kit_print_color_(kit_light_); + printf("\" failed.\n"); + no_color || kit_print_color_(kit_red_); + printf(" -> "); + no_color || kit_print_color_(kit_light_); + printf("Got wrong value "); + no_color || kit_print_color_(kit_white_); + printf("%10lld", + (long long) kit_tests_list.v[i].value[j]); + no_color || kit_print_color_(kit_light_); + printf(" ("); + no_color || kit_print_color_(kit_white_); + printf("0x%08llx", + (unsigned long long) kit_tests_list.v[i].value[j]); + no_color || kit_print_color_(kit_light_); + printf(")\n"); + no_color || kit_print_color_(kit_green_); + printf(" -> "); + no_color || kit_print_color_(kit_light_); + printf("Expected value "); + no_color || kit_print_color_(kit_white_); + printf("%10lld", + (long long) kit_tests_list.v[i].expected[j]); + no_color || kit_print_color_(kit_light_); + printf(" ("); + no_color || kit_print_color_(kit_white_); + printf( + "0x%08llx", + (unsigned long long) kit_tests_list.v[i].expected[j]); + no_color || kit_print_color_(kit_light_); + printf(")\n\n"); + } + } + } + + if (kit_tests_list.size > KIT_TESTS_SIZE_LIMIT) { + no_color || kit_print_color_(kit_light_); + quiet || printf("Too many tests!\n\n"); + status = 1; + } + + if (status == 0) { + no_color || kit_print_color_(kit_green_); + quiet || printf("OK\n"); + } else { + no_color || kit_print_color_(kit_red_); + quiet || printf("FAILED\n"); + } + + no_color || kit_print_color_(kit_white_); + quiet || printf("\n"); + return status; +} + +kit_benchs_list_t kit_benchs_list = { 0 }; + +static void bench_set_repeats_limit(int i, int repeats_limit) { + if (kit_benchs_list.v[i].ready) + return; + if (kit_benchs_list.v[i].cycles_size >= KIT_BENCH_MAX_CYCLES) + return; + kit_benchs_list.v[i].cycles[kit_benchs_list.v[i].cycles_size] = + repeats_limit; + kit_benchs_list.v[i].cycles_size++; +} + +static int bench_loop(int i) { + if (!kit_benchs_list.v[i].ready) + return 0; + return kit_benchs_list.v[i].repeats < + kit_benchs_list.v[i].cycles[kit_benchs_list.v[i].cycle]; +} + +static void bench_begin(int i) { + int n = kit_benchs_list.v[i].repeats++; + + if (n >= KIT_BENCH_MAX_REPEATS) + return; + + struct timespec tv; + timespec_get(&tv, TIME_UTC); + + kit_benchs_list.v[i].sec[n] = (int64_t) tv.tv_sec; + kit_benchs_list.v[i].nsec[n] = (int64_t) tv.tv_nsec; +} + +static void bench_end(int i) { + int n = kit_benchs_list.v[i].repeats - 1; + + if (n < 0 || n >= KIT_BENCH_MAX_REPEATS) + return; + + struct timespec tv; + timespec_get(&tv, TIME_UTC); + + int64_t sec = ((int64_t) tv.tv_sec) - kit_benchs_list.v[i].sec[n]; + int64_t nsec = ((int64_t) tv.tv_nsec) - + kit_benchs_list.v[i].nsec[n]; + + kit_benchs_list.v[i].duration_nsec[n] = sec * 1000000000 + nsec; +} + +void kit_bench_register(char const *name, char const *file, + kit_bench_run_fn fn) { + int n = kit_benchs_list.size++; + if (n < KIT_BENCHS_SIZE_LIMIT) { + kit_benchmark_t *bench = kit_benchs_list.v + n; + + bench->bench_fn = fn; + bench->bench_name = name; + bench->bench_file = file; + bench->cycles_size = 0; + bench->ready = 0; + } +} + +static void kit_bench_setup_signals() { + for (int i = 0; i < sizeof kit_signums_ / sizeof *kit_signums_; i++) + signal(kit_signums_[i], kit_test_handle_signal); +} + +static int kit_run_bench_(volatile int i) { + int signum = setjmp(kit_test_restore_execution); + + if (signum != 0) { + kit_benchs_list.v[i].signal = signum; + return 0; + } + + kit_benchs_list.v[i].bench_fn(i, bench_set_repeats_limit, + bench_loop, bench_begin, bench_end); + return 1; +} + +static int kit_compare_64_(void const *x_, void const *y_) { + int64_t const *x = (int64_t const *) x_; + int64_t const *y = (int64_t const *) y_; + return *x - *y; +} + +static int kit_compare_32_(void const *x_, void const *y_) { + int const *x = (int const *) x_; + int const *y = (int const *) y_; + return *x - *y; +} + +int kit_run_benchmarks(int argc, char **argv) { + int success_count = 0; + int status = 0; + int no_color = 0; + int line_width = 20; + int carriage_return = 1; + + char const *specific_bench = NULL; + + kit_bench_setup_signals(); + + for (int i = 0; i < argc; i++) + if (strcmp("--no-term-color", argv[i]) == 0) + no_color = 1; + else if (strcmp("--no-carriage-return", argv[i]) == 0) + carriage_return = 0; + else if (strcmp("--match", argv[i]) == 0) + specific_bench = argv[++i]; + + if (specific_bench != NULL) { + no_color || kit_print_color_(kit_light_); + printf("Run benchmarks matching "); + no_color || kit_print_color_(kit_white_); + printf("*%s*", specific_bench); + no_color || kit_print_color_(kit_light_); + printf("\n\n"); + } + + char const *file = NULL; + ptrdiff_t file_root = -1; + int benchs_total = 0; + + for (int i = 0; + i < kit_benchs_list.size && i < KIT_BENCHS_SIZE_LIMIT; i++) { + if (specific_bench != NULL && + strstr(kit_benchs_list.v[i].bench_name, specific_bench) == + NULL) + continue; + benchs_total++; + int l = 2 + (int) strlen(kit_benchs_list.v[i].bench_name); + if (line_width < l) + line_width = l; + } + + if (benchs_total > 0) { + char const *s = kit_benchs_list.v[0].bench_file; + + for (int j = 1; + j < kit_benchs_list.size && j < KIT_BENCHS_SIZE_LIMIT; j++) { + kit_benchmark_t *bench = kit_benchs_list.v + j; + + if (specific_bench != NULL && + strstr(bench->bench_name, specific_bench) == NULL) + continue; + if (strcmp(s, bench->bench_file) == 0) + continue; + int k = 0; + for (; s[k] != '\0' && bench->bench_file[k] != '\0' && + s[k] == bench->bench_file[k]; + k++) { } + if (file_root == -1 || file_root > k) + file_root = k; + } + + if (file_root == -1) { + for (int i = 0; s[i] != '\0'; i++) + if (s[i] == '/' || s[i] == '\\') + file_root = i + 1; + } + } + + no_color || kit_print_color_(kit_blue_); + printf("# "); + no_color || kit_print_color_(kit_light_); + printf("BENCHMARK"); + printf("%*c", line_width - 9, ' '); + no_color || kit_print_color_(kit_green_); + printf(" LOW "); + no_color || kit_print_color_(kit_light_); + printf("|"); + no_color || kit_print_color_(kit_blue_); + printf(" MEDIAN "); + no_color || kit_print_color_(kit_light_); + printf("|"); + no_color || kit_print_color_(kit_yellow_); + printf(" HIGH\n"); + no_color || kit_print_color_(kit_light_); + printf(" (in microseconds)\n\n"); + + /* Prepare cycles. + */ + + for (int i = 0; + i < kit_benchs_list.size && i < KIT_BENCHS_SIZE_LIMIT; i++) { + kit_benchmark_t *bench = kit_benchs_list.v + i; + + if (specific_bench != NULL && + strstr(bench->bench_name, specific_bench) == NULL) + continue; + + kit_run_bench_(i); + + if (bench->cycles_size == 0) { + bench->cycles_size = 2; + bench->cycles[0] = KIT_BENCH_REPEATS_DEFAULT_1; + bench->cycles[1] = KIT_BENCH_REPEATS_DEFAULT_2; + } + + qsort(bench->cycles, bench->cycles_size, sizeof *bench->cycles, + kit_compare_32_); + + kit_benchs_list.v[i].ready = 1; + } + + /* Run cycles. + */ + + for (int cycle = 0; cycle < KIT_BENCH_MAX_CYCLES; cycle++) { + /* Prepare cycle. + */ + + int cycles_done = 1; + + for (int i = 0; + i < kit_benchs_list.size && i < KIT_BENCHS_SIZE_LIMIT; i++) { + kit_benchmark_t *bench = kit_benchs_list.v + i; + + if (specific_bench != NULL && + strstr(bench->bench_name, specific_bench) == NULL) + continue; + if (cycle >= bench->cycles_size) + continue; + + bench->repeats = 0; + bench->cycle = cycle; + cycles_done = 0; + } + + if (cycles_done) + break; + + /* Run benchmarks. + */ + + for (int i = 0; + i < kit_benchs_list.size && i < KIT_BENCHS_SIZE_LIMIT; i++) { + kit_benchmark_t *bench = kit_benchs_list.v + i; + + if (specific_bench != NULL && + strstr(bench->bench_name, specific_bench) == NULL) + continue; + if (cycle >= bench->cycles_size) + continue; + + if (file == NULL || strcmp(file, bench->bench_file) != 0) { + if (file != NULL) + printf("\n"); + file = bench->bench_file; + no_color || kit_print_color_(kit_blue_); + printf("* "); + no_color || kit_print_color_(kit_white_); + printf("%s\n", file + file_root); + } + + !carriage_return || no_color || kit_print_color_(kit_yellow_); + carriage_return || no_color || kit_print_color_(kit_light_); + printf("` %s ", bench->bench_name); + !carriage_return || printf("\r"); + fflush(stdout); + + int bench_status = kit_run_bench_(i); + + if (bench->repeats > KIT_BENCH_MAX_REPEATS) + bench_status = 0; + + !carriage_return || no_color || kit_print_color_(kit_light_); + !carriage_return || printf("` %s ", bench->bench_name); + + int l = (int) strlen(bench->bench_name); + printf("%*c", line_width - l, ' '); + + if (bench->repeats <= 0) { + no_color || kit_print_color_(kit_yellow_); + printf(" 0 runs\n"); + success_count++; + } else if (bench_status == 0) { + no_color || kit_print_color_(kit_red_); + printf(" FAIL\n"); + status = 1; + } else { + int repeats = bench->repeats; + + memcpy(bench->duration_sorted_nsec, bench->duration_nsec, + repeats * sizeof *bench->duration_sorted_nsec); + qsort(bench->duration_sorted_nsec, repeats, + sizeof *bench->duration_sorted_nsec, kit_compare_64_); + + int64_t average = bench->duration_sorted_nsec[repeats / 2]; + int64_t floor = bench->duration_sorted_nsec[repeats / 20]; + int64_t roof = + bench->duration_sorted_nsec[repeats - repeats / 20 - 1]; + + no_color || kit_print_color_(kit_white_); + printf("%-9g", (double) floor * 0.001); + no_color || kit_print_color_(kit_light_); + printf("| "); + no_color || kit_print_color_(kit_white_); + printf("%-9g", (double) average * 0.001); + no_color || kit_print_color_(kit_light_); + printf("| "); + no_color || kit_print_color_(kit_white_); + printf("%-9g", (double) roof * 0.001); + no_color || kit_print_color_(kit_light_); + printf(" %d runs\n", repeats); + success_count++; + } + } + } + + printf("\n"); + + if (status != 0) { + for (int i = 0; + i < kit_benchs_list.size && i < KIT_BENCHS_SIZE_LIMIT; i++) { + kit_benchmark_t *bench = kit_benchs_list.v + i; + + if (specific_bench != NULL && + strstr(bench->bench_name, specific_bench) == NULL) + continue; + if (bench->signal != 0) { + int signum = bench->signal; + if (signum >= 0 && + signum < sizeof kit_signames_ / sizeof *kit_signames_ && + kit_signames_[signum] != NULL) { + no_color || kit_print_color_(kit_light_); + printf("Signal \"%s\" (%d) for \"", kit_signames_[signum], + signum); + no_color || kit_print_color_(kit_white_); + printf("%s", bench->bench_name); + no_color || kit_print_color_(kit_light_); + printf("\" in \""); + no_color || kit_print_color_(kit_white_); + printf("%s", bench->bench_file + file_root); + no_color || kit_print_color_(kit_light_); + printf("\"!.\n"); + } else { + no_color || kit_print_color_(kit_light_); + printf("Unknown signal (%d) for \"", signum); + no_color || kit_print_color_(kit_white_); + printf("%s", bench->bench_name); + no_color || kit_print_color_(kit_light_); + printf("\" in \""); + no_color || kit_print_color_(kit_white_); + printf("%s", bench->bench_file + file_root); + no_color || kit_print_color_(kit_light_); + printf("\"!.\n"); + } + } + } + + printf("\n"); + } + + if (kit_benchs_list.size > KIT_BENCHS_SIZE_LIMIT) { + no_color || kit_print_color_(kit_light_); + printf("Too many benchmarks!\n\n"); + status = 1; + } + + if (status == 0) { + no_color || kit_print_color_(kit_green_); + printf("DONE\n"); + } else { + no_color || kit_print_color_(kit_red_); + printf("DONE WITH ERRORS\n"); + } + + no_color || kit_print_color_(kit_white_); + printf("\n"); + return status; +} + +#ifdef __cplusplus +} +#endif + +#endif |