/*

 * Copyright (C) 2019 Tomohiro Kusumi <tkusumi@netbsd.org>

 */

#include "../unittest.h"

#ifndef CONFIG_STRCASESTR

#include "../../oslib/strcasestr.h"

#else

#include <string.h>

#endif

static void test_strcasestr_1(void)

{

	const char *haystack = "0123456789";

	const char *p;

	p = strcasestr(haystack, "012");

	CU_ASSERT_EQUAL(p, haystack);

	p = strcasestr(haystack, "12345");

	CU_ASSERT_EQUAL(p, haystack + 1);

	p = strcasestr(haystack, "1234567890");

	CU_ASSERT_EQUAL(p, NULL);

	p = strcasestr(haystack, "");

	CU_ASSERT_EQUAL(p, haystack); /* is this expected ? */

}

static void test_strcasestr_2(void)

{

	const char *haystack = "ABCDEFG";

	const char *p;

	p = strcasestr(haystack, "ABC");

	CU_ASSERT_EQUAL(p, haystack);

	p = strcasestr(haystack, "BCD");

	CU_ASSERT_EQUAL(p, haystack + 1);

	p = strcasestr(haystack, "ABCDEFGH");

	CU_ASSERT_EQUAL(p, NULL);

	p = strcasestr(haystack, "");

	CU_ASSERT_EQUAL(p, haystack); /* is this expected ? */

}

static void test_strcasestr_3(void)

{

	const char *haystack = "ABCDEFG";

	const char *p;

	p = strcasestr(haystack, "AbC");

	CU_ASSERT_EQUAL(p, haystack);

	p = strcasestr(haystack, "bCd");

	CU_ASSERT_EQUAL(p, haystack + 1);

	p = strcasestr(haystack, "AbcdEFGH");

	CU_ASSERT_EQUAL(p, NULL);

	p = strcasestr(haystack, "");

	CU_ASSERT_EQUAL(p, haystack); /* is this expected ? */

}

static struct fio_unittest_entry tests[] = {

	{

		.name	= "strcasestr/1",

		.fn	= test_strcasestr_1,

	},

	{

		.name	= "strcasestr/2",

		.fn	= test_strcasestr_2,

	},

	{

		.name	= "strcasestr/3",

		.fn	= test_strcasestr_3,

	},

	{

		.name	= NULL,

	},

};

CU_ErrorCode fio_unittest_oslib_strcasestr(void)

{

	return fio_unittest_add_suite("oslib/strcasestr.c", NULL, NULL, tests);

}