/*
 * Test that our strcspn() matches the results of the
 * system strcspn().
 *
 * Dan Cross <net!gajendra!cross>
 */

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "myunit.h"
int myu_ntests = 0;	/* Be explicit about initialization. */
int myu_nfailed = 0;

#define strcspn mystrcspn
extern size_t mystrcspn(const char *, const char *);
#include "strcspn.c"
#undef strcspn

int
testcase(const char *tname, const char *aa, const char *bb)
{
	size_t a, b;

	/* The system version can't handle the first argument being NULL */
	if (aa == NULL || bb == NULL)
		return 0;
	b = strcspn(aa, bb);
	a = mystrcspn(aa, bb);
	myuassert(a == b, "%s mismatch: a = %d, b = %d", tname, a, b);

	return(0);
}

#define test(a, b) myuruntest(testcase, #a ", " #b, a, b)

int
main(int argc, char *argv[])
{
	myuinit();

	test(NULL, NULL);
	test("", NULL);
	test(NULL, "");
	test("", "");
	test("This", "is");
	test("This", "not");
	test("This", "");
	test("This", NULL);
	test("no", "longer");
	test("Yes", "especially");
	test("abcd", "efghijkl");

	myureport("strcspn");

	return(EXIT_SUCCESS);
}