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/// @file
/// @brief basic unit tester for itos.h
#ifdef NDEBUG
#error this is not intended to be compiled with assertions off
#endif
#include <assert.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <util/itos.h>
static void test_0(void) { assert(strcmp(ITOS(0), "0") == 0); }
static void test_1(void) { assert(strcmp(ITOS(1), "1") == 0); }
static void test_neg_1(void) { assert(strcmp(ITOS(-1), "-1") == 0); }
static void test_min(void) {
int r = snprintf(NULL, 0, "%lld", LLONG_MIN);
assert(r > 0);
char *buffer = malloc(sizeof(char) * ((size_t)r + 1));
assert(buffer != NULL);
sprintf(buffer, "%lld", LLONG_MIN);
assert(strcmp(ITOS(LLONG_MIN), buffer) == 0);
free(buffer);
}
static void test_max(void) {
int r = snprintf(NULL, 0, "%lld", LLONG_MAX);
assert(r > 0);
char *buffer = malloc(sizeof(char) * ((size_t)r + 1));
assert(buffer != NULL);
sprintf(buffer, "%lld", LLONG_MAX);
assert(strcmp(ITOS(LLONG_MAX), buffer) == 0);
free(buffer);
}
int main(void) {
#define RUN(t) \
do { \
printf("running test_%s... ", #t); \
fflush(stdout); \
test_##t(); \
printf("OK\n"); \
} while (0)
RUN(0);
RUN(1);
RUN(neg_1);
RUN(min);
RUN(max);
#undef RUN
return EXIT_SUCCESS;
}
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