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libkernaux/tests/test_itoa.c

63 lines
1.9 KiB
C

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <kernaux/itoa.h>
#include <assert.h>
#include <string.h>
static const struct {
uint64_t value;
const char *result;
} utoa10_cases[] = {
{ 0, "0" },
{ 1, "1" },
{ 2, "2" },
{ 9, "9" },
{ 10, "10" },
{ 11, "11" },
{ 12, "12" },
{ 19, "19" },
{ 20, "20" },
{ 21, "21" },
{ 99, "99" },
{ 100, "100" },
{ 101, "101" },
{ 199, "199" },
{ 200, "200" },
{ 201, "201" },
{ 999, "999" },
{ 1000, "1000" },
{ 1001, "1001" },
{ 1999, "1999" },
{ 2000, "2000" },
{ 2001, "2001" },
{ 9999, "9999" },
{ 10000, "10000" },
{ 10001, "10001" },
{ UINT16_MAX, "65535" },
{ UINT16_MAX + 1, "65536" },
{ UINT32_MAX, "4294967295" },
{ (uint64_t)UINT32_MAX + 1, "4294967296" },
{ UINT64_MAX - 6, "18446744073709551609" },
{ UINT64_MAX - 5, "18446744073709551610" },
{ UINT64_MAX - 1, "18446744073709551614" },
{ UINT64_MAX, "18446744073709551615" },
};
int main()
{
char buffer[KERNAUX_ITOA_BUFFER_SIZE];
for (
size_t index = 0;
index < sizeof(utoa10_cases) / sizeof(utoa10_cases[0]);
++index
) {
kernaux_utoa10(utoa10_cases[index].value, buffer);
assert(strcmp(buffer, utoa10_cases[index].result) == 0);
}
return 0;
}