freebsd-dev/lib/libc/tests/stdlib/mergesort_test.c
Enji Cooper 98682851f2 Integrate tools/regression/lib/libc/stdlib into the FreeBSD test suite
as lib/libc/tests/stdlib

- Make the code a bit more style(9) compliant
- Convert a sizeof(x)/sizeof(x[0]) to nitems

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division
2015-11-08 07:03:17 +00:00

72 lines
2.2 KiB
C

/*-
* Copyright (C) 2004 Maxim Sobolev <sobomax@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Test for mergesort() routine.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "test-sort.h"
ATF_TC_WITHOUT_HEAD(mergesort_test);
ATF_TC_BODY(mergesort_test, tc)
{
int sresvector[IVEC_LEN];
int testvector[IVEC_LEN];
int i, j;
for (j = 2; j < IVEC_LEN; j++) {
/* Populate test vectors */
for (i = 0; i < j; i++)
testvector[i] = sresvector[i] = initvector[i];
/* Sort using mergesort(3) */
mergesort(testvector, j, sizeof(testvector[0]), sorthelp);
/* Sort using reference slow sorting routine */
ssort(sresvector, j);
/* Compare results */
for (i = 0; i < j; i++)
ATF_CHECK_MSG(testvector[i] == sresvector[i],
"item at index %d didn't match: %d != %d",
i, testvector[i], sresvector[i]);
}
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, mergesort_test);
return (atf_no_error());
}