#include <stdlib.h>
#include <glib.h>
#include <gmodule.h>
#include <check.h>
#include <string.h>
#include <stdio.h>
#include "md5.h"

/* From RFC 1321 */
struct md5_test {
	const char *str;
	md5_byte_t expected[16];
} tests[] = {
	{ "", 
		{ 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e } },
	{ "a",
		{ 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 } },
	{ "abc", 
		{ 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 } },
	{ "message digest", 
		{ 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 } },
	{ "abcdefghijklmnopqrstuvwxyz", 
		{ 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b } },
	{ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
	    { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f } },
	{ "12345678901234567890123456789012345678901234567890123456789012345678901234567890", 
		{ 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a } },

	{ NULL },
};

static void check_sums(int l)
{
	int i;
	for (i = 0; tests[i].str; i++) {
		md5_byte_t sum[16];
  		tcase_fn_start (tests[i].str, __FILE__, __LINE__);
		md5_state_t state;
		int di;

		md5_init(&state);
		md5_append(&state, (const md5_byte_t *)tests[i].str, strlen(tests[i].str));
		md5_finish(&state, sum);

		fail_if(memcmp(tests[i].expected, sum, 16) != 0, "%s failed", tests[i].str);
	}
}

Suite *md5_suite (void)
{
	Suite *s = suite_create("MD5");
	TCase *tc_core = tcase_create("Core");
	suite_add_tcase (s, tc_core);
	tcase_add_test (tc_core, check_sums);
	return s;
}