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#include "test.h"
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <setjmp.h>
#include <signal.h>
kit_tests_list_t kit_tests_list = { 0 };
static void report(int i, int line, int ok) {
int const n = kit_tests_list.tests[i].assertions++;
if (n >= KIT_TEST_ASSERTIONS_LIMIT)
return;
kit_tests_list.tests[i].line[n] = line;
kit_tests_list.tests[i].status[n] = ok;
}
static long long ns_to_ms(long long ns) {
return (ns + 500000) / 1000000;
}
static long long sec_to_ms(long long sec) {
return 1000 * sec;
}
enum { white, blue, light, yellow, red, green };
char const *const color_codes[] = {
[white] = "\x1b[38m", [blue] = "\x1b[34m", [light] = "\x1b[37m",
[yellow] = "\x1b[33m", [red] = "\x1b[31m", [green] = "\x1b[32m"
};
static int print_color(int c) {
return printf("%s", color_codes[c]);
}
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.tests[n].test_fn = fn;
kit_tests_list.tests[n].test_name = name;
kit_tests_list.tests[n].test_file = file;
kit_tests_list.tests[n].assertions = 0;
}
}
static jmp_buf kit_test_restore_execution;
static int const signums[] = { SIGINT, SIGILL, SIGABRT,
SIGFPE, SIGSEGV, SIGTERM };
static char const *const signames[] = {
[SIGINT] = "Interactive attention signal",
[SIGILL] = "Illegal instruction",
[SIGABRT] = "Abnormal termination",
[SIGFPE] = "Erroneous arithmetic operation",
[SIGSEGV] = "Invalid access to storage",
[SIGTERM] = "Termination request"
};
static void handle_signal(int signum) {
longjmp(kit_test_restore_execution, signum);
}
static void setup_signals() {
for (int i = 0; i < sizeof signums / sizeof *signums; i++) {
#if defined(_WIN32) && !(defined __CYGWIN__)
signal(signums[i], handle_signal);
#else
struct sigaction action;
memset(&action, 0, sizeof action);
action.sa_handler = handle_signal;
sigaction(signums[i], &action, NULL);
#endif
}
}
static int run_test(volatile int i) {
int signum = setjmp(kit_test_restore_execution);
if (signum != 0) {
kit_tests_list.tests[i].signal = signum;
return 0;
}
kit_tests_list.tests[i].test_fn(i, report);
return 1;
}
int kit_run_tests(int argc, char **argv) {
setup_signals();
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;
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("--quiet", argv[i]) == 0)
quiet = 1;
if (quiet)
no_color = 1;
char const *file = NULL;
ptrdiff_t file_root = -1;
for (int i = 0; i < kit_tests_list.size && i < KIT_TESTS_SIZE_LIMIT;
i++) {
int const l = 2 + (int) strlen(kit_tests_list.tests[i].test_name);
if (line_width < l)
line_width = l;
}
if (kit_tests_list.size > 0) {
char const *const s = kit_tests_list.tests[0].test_file;
for (int j = 1;
j < kit_tests_list.size && j < KIT_TESTS_SIZE_LIMIT; j++) {
if (strcmp(s, kit_tests_list.tests[j].test_file) == 0)
continue;
int k = 0;
for (; s[k] != '\0' &&
kit_tests_list.tests[j].test_file[k] != '\0' &&
s[k] == kit_tests_list.tests[j].test_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;
}
}
for (int i = 0; i < kit_tests_list.size && i < KIT_TESTS_SIZE_LIMIT;
i++) {
if (file == NULL ||
strcmp(file, kit_tests_list.tests[i].test_file) != 0) {
if (file != NULL)
quiet || printf("\n");
file = kit_tests_list.tests[i].test_file;
no_color || print_color(blue);
quiet || printf("*");
no_color || print_color(white);
quiet || printf(" %s\n", file + file_root);
}
!carriage_return || no_color || print_color(yellow);
carriage_return || no_color || print_color(light);
quiet || printf("` %s ", kit_tests_list.tests[i].test_name);
quiet || fflush(stdout);
struct timespec begin, end;
timespec_get(&begin, TIME_UTC);
int test_status = 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 (int j = 0; j < kit_tests_list.tests[i].assertions; j++)
if (kit_tests_list.tests[i].status[j] == 0) {
fail_assertion_count++;
test_status = 0;
}
if (kit_tests_list.tests[i].assertions >
KIT_TEST_ASSERTIONS_LIMIT)
test_status = 0;
total_assertion_count += kit_tests_list.tests[i].assertions;
if (carriage_return) {
no_color || print_color(light);
quiet || printf("\r` %s ", kit_tests_list.tests[i].test_name);
}
int const l = (int) strlen(kit_tests_list.tests[i].test_name);
quiet || printf("%*c", line_width - l, ' ');
if (test_status == 0) {
no_color || print_color(red);
quiet || printf("FAIL");
no_color || print_color(light);
duration == 0 || quiet || printf(" %d ms", duration);
quiet || printf("\n");
status = 1;
} else {
no_color || print_color(green);
quiet || printf("OK");
no_color || print_color(light);
duration == 0 || quiet || printf(" %d ms", duration);
quiet || printf("\n");
success_count++;
}
}
no_color || print_color(white);
quiet || printf("\n%d of %d tests passed.\n", success_count,
kit_tests_list.size);
quiet || printf("%d of %d assertions passed.\n\n",
total_assertion_count - fail_assertion_count,
total_assertion_count);
no_color || print_color(light);
if (status != 0) {
for (int i = 0;
i < kit_tests_list.size && i < KIT_TESTS_SIZE_LIMIT; i++) {
if (kit_tests_list.tests[i].signal != 0) {
int signum = kit_tests_list.tests[i].signal;
if (signum >= 0 &&
signum < sizeof signames / sizeof *signames &&
signames[signum] != NULL)
quiet ||
printf("Signal \"%s\" (%d) for \"%s\" in \"%s\"!\n",
signames[signum], signum,
kit_tests_list.tests[i].test_name,
kit_tests_list.tests[i].test_file);
else
quiet ||
printf("Unknown signal (%d) for \"%s\" in \"%s\"!\n",
signum, kit_tests_list.tests[i].test_name,
kit_tests_list.tests[i].test_file);
}
if (kit_tests_list.tests[i].assertions >
KIT_TEST_ASSERTIONS_LIMIT)
quiet || printf("Too many assertions for \"%s\" in \"%s\"!\n",
kit_tests_list.tests[i].test_name,
kit_tests_list.tests[i].test_file);
else
for (int j = 0; j < kit_tests_list.tests[i].assertions; j++)
if (!kit_tests_list.tests[i].status[j])
quiet || printf("Assertion on line %d in \"%s\" failed\n",
kit_tests_list.tests[i].line[j],
kit_tests_list.tests[i].test_file);
}
quiet || printf("\n");
}
if (kit_tests_list.size > KIT_TESTS_SIZE_LIMIT) {
quiet || printf("Too many tests!\n\n");
status = 1;
}
if (status == 0) {
no_color || print_color(green);
quiet || printf("OK\n");
} else {
no_color || print_color(red);
quiet || printf("FAILED\n");
}
no_color || print_color(white);
return status;
}
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