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tests.c
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tests.c
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#include "tests.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_NUM_TESTS 1024
int tests_passed = 0;
int tests_failed = 0;
int checks_passed = 0;
int checks_failed = 0;
static struct TestCase {
const char *name;
void (*test_function)(void);
} tests[MAX_NUM_TESTS];
static unsigned int test_count = 0; // global number of registered tests
// Function to register a test case
int register_test(const char *name, void (*test_function)(void))
{
if(test_count < sizeof(tests) / sizeof(tests[0])) {
tests[test_count].name = name;
tests[test_count].test_function = test_function;
test_count++;
} else {
fprintf(stderr, "Too many tests registered.\n");
return 1;
}
return 0;
}
int run_tests(int argc, char *argv[])
{
unsigned selected_tests = -1; // all
for(int i = 1; i < argc; ++i) {
if(!strcmp(argv[i], "--list") || !strcmp(argv[i], "-l")) {
printf("List of tests:\n");
for(unsigned i = 0; i < test_count; i++)
printf("\ttest[%u]: \"%s\"... \n", i, tests[i].name);
return EXIT_SUCCESS;
} else if(!strcmp(argv[i], "--only")) {
if(i + 1 >= argc) {
fprintf(stderr, "Missing argument for --only\n");
return EXIT_FAILURE;
}
selected_tests = atoi(argv[++i]);
if(selected_tests != (unsigned)-1 && selected_tests >= test_count) {
fprintf(stderr, "Test idx %u not found returning.\n", selected_tests);
return EXIT_FAILURE;
}
printf("Selected test: %s... \n", tests[selected_tests].name);
}
}
int ret = EXIT_SUCCESS;
for(unsigned i = 0; i < test_count; i++) {
if(selected_tests != (unsigned)-1 && selected_tests != i)
continue;
printf("Running test: %s... ", tests[i].name);
int prev_checks_failed = checks_failed;
tests[i].test_function();
if(checks_failed > prev_checks_failed) {
printf("Failed\n");
ret = EXIT_FAILURE;
tests_failed++;
if (checks_failed & 0x8000000) {
checks_failed &= ~0x8000000;
printf("Failure is fatal. Aborting test execution.\n");
break;
}
} else {
printf("Success\n");
tests_passed++;
}
}
printf("\n");
printf("Tests passed: %d\n", tests_passed);
printf("Tests failed: %d\n", tests_failed);
printf("Checks passed: %d\n", checks_passed);
printf("Checks failed: %d\n", checks_failed);
return ret;
}