lib/test/string.c


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#include "../string.h"
#include <assert.h>

static const char *dec = "12341234";
static const char *neg_dec = "-12341234";
static const char *u32_hex = "decafade";
static const char *i32_hex = "7fffffff";
static char buffer[64];

int
main()
{
  { // utoa
    char *r;

    r = utoa(buffer, 12341234u, 10);
    for (unsigned i = 0; dec[i] != '\0'; ++i) assert(r[i] == dec[i]);

    r = utoa(buffer, 0xdecafade, 16);
    for (unsigned i = 0; u32_hex[i] != '\0'; ++i) assert(r[i] == u32_hex[i]);
  }
  { // itoa
    char *r;

    r = itoa(buffer, 12341234, 10);
    for (unsigned i = 0; dec[i] != '\0'; ++i) assert(r[i] == dec[i]);

    r = itoa(buffer, -12341234, 10);
    for (unsigned i = 0; neg_dec[i] != '\0'; ++i) assert(r[i] == neg_dec[i]);

    r = itoa(buffer, 0x7fffffff, 16);
    for (unsigned i = 0; i32_hex[i] != '\0'; ++i) assert(r[i] == i32_hex[i]);
  }
}