Files
datum/tests/test_bigint.c

63 lines
1.5 KiB
C

/*
* Unit tests for BigInt data type
*/
#define TEST(NAME) do { \
printf("Running test_%s...", #NAME); \
test_##NAME(); \
printf(" PASSED\n"); \
} while(0)
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "../src/bigint.h"
static void bigint_eq(const bigint_t *number, const char *expected) {
bigint_result_t to_str = bigint_to_string(number);
assert(to_str.status == BIGINT_OK);
assert(!strcmp(to_str.value.string_num, expected));
free(to_str.value.string_num);
}
// Test creating big integers from int
void test_bigint_from_int() {
bigint_result_t res = bigint_from_int(0);
assert(res.status == BIGINT_OK);
bigint_eq(res.value.number, "0");
bigint_destroy(res.value.number);
res = bigint_from_int(10);
assert(res.status == BIGINT_OK);
bigint_eq(res.value.number, "10");
bigint_destroy(res.value.number);
res = bigint_from_int(-12345678900LL);
assert(res.status == BIGINT_OK);
bigint_eq(res.value.number, "-12345678900");
bigint_destroy(res.value.number);
}
// Test creating big integers from string
void test_bigint_from_string() {
bigint_result_t res = bigint_from_string("00000123");
assert(res.status == BIGINT_OK);
bigint_eq(res.value.number, "123");
bigint_destroy(res.value.number);
}
int main(void) {
printf("=== Running BigInt unit tests ===\n\n");
TEST(bigint_from_int);
TEST(bigint_from_string);
printf("\n=== All tests passed ===\n");
return 0;
}