#include <ft/test.h>
#include <ft/all-tests.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

static void _ft_string_naive(ft_test *t)
{
	char const *s1;
	char s2[64];
	char *s3;

	s1 = "xyztuvxyztuv";
	ft_assert(t, strchr(s1, 'z') == s1 + 2);
	ft_assert(t, strchr(s1, 'w') == NULL);
	ft_assert(t, strrchr(s1, 'u') == s1 + 10);
	ft_assert(t, strrchr(s1, 'x') == s1 + 6);
	ft_assert(t, strrchr(s1, 'w') == NULL);
	ft_assert(t, strchrnul(s1, 't') == s1 + 3);
	ft_assert(t, strchrnul(s1, 'w') == s1 + 12);

	ft_assert(t, strcmp("xyz", "xyz") == 0);
	ft_assert(t, strcmp("xyz\0t", "xyz\0v") == 0);
	ft_assert(t, strcmp("xyz", "xyt") == 6);
	ft_assert(t, strcmp("xyt", "xyz") == -6);
	ft_assert(t, strcmp("ab", "abc") == -'c');
	ft_assert(t, strcmp("", "") == 0);
	ft_assert(t, strcmp("x", "") == 'x');
	ft_assert(t, strncmp("xyz", "xyt", 2) == 0);
	ft_assert(t, strncmp("xyz\0t", "xyz\0v", 5) == 0);

	strcpy(s2, s1);
	ft_assert(t, strcmp(s1, s2) == 0);

	memset(s2, 0x55, sizeof s2);
	strncpy(s2, s1, 10);
	ft_assert(t, strcmp(s1, s2) != 0 && strncmp(s1, s2, 10) == 0);

	strncpy(s2, s1, 15);
	ft_assert(t, memcmp(s2, "xyztuvxyztuv\0\0\0", 15) == 0);

	strncpy(s2, s1, 5);
	s2[5] = 0;
	strcat(s2, s1 + 5);
	ft_assert(t, strcmp(s1, s2) == 0);

	memset(s2, 0x55, sizeof s2);
	strncpy(s2, s1, 4);
	s2[4] = 0;
	strncat(s2, s1 + 4, 4);
	ft_assert(t, strcmp(s1, s2) != 0 && strncmp(s1, s2, 8) == 0);
	ft_assert(t, strcmp(s2, "xyztuvxy") == 0);

	s3 = strdup(s1);
	ft_assert(t, strcmp(s1, s3) == 0);
	free(s3);

	s3 = strndup(s1, 5);
	ft_assert(t, strcmp(s3, "xyztu") == 0);
	free(s3);

	ft_assert(t, strspn("abcbdbabed", "abcd") == 8);
	ft_assert(t, strspn("abcbdbabed", "abcde") == 10);
	ft_assert(t, strcspn("10234.283", "x.") == 5);
	ft_assert(t, strcspn("10234.283", "x") == 9);

	ft_assert(t, strpbrk(s1, "rstuv") == s1 + 3);
	ft_assert(t, strpbrk(s1, "abc") == NULL);
	ft_assert(t, strpbrk(s1, s1) == s1);
}

ft_test ft_string_naive = {
	.name = "Naive string functions",
	.function = _ft_string_naive,
};

static void _ft_string_strerror(ft_test *t)
{
	ft_log(t, "0: %s\n", strerror(0));
	ft_log(t, "EDOM: %s\n", strerror(EDOM));
	ft_log(t, "EILSEQ: %s\n", strerror(EILSEQ));
	ft_log(t, "ERANGE: %s\n", strerror(ERANGE));
	ft_log(t, "-1: %s\n", strerror(-1));
	ft_log(t, "999999: %s\n", strerror(999999));
}

ft_test ft_string_strerror = {
	.name = "strerror messages",
	.function = _ft_string_strerror,
};