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Add qsort_r(3) regression test.

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MFC after:	2 weeks
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D23206
This commit is contained in:
trasz 2020-01-20 11:45:18 +00:00
parent f79f69facd
commit 9a8a862cf2
2 changed files with 93 additions and 0 deletions
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1
lib/libc/tests/stdlib/Makefile
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@ -6,6 +6,7 @@ ATF_TESTS_C+= dynthr_test
ATF_TESTS_C+= heapsort_test
ATF_TESTS_C+= mergesort_test
ATF_TESTS_C+= qsort_test
ATF_TESTS_C+= qsort_r_test
ATF_TESTS_C+= qsort_s_test
ATF_TESTS_C+= set_constraint_handler_s_test
ATF_TESTS_C+= strfmon_test

92
lib/libc/tests/stdlib/qsort_r_test.c Normal file
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@ -0,0 +1,92 @@
/*-
* Copyright (C) 2020 Edward Tomasz Napierala <trasz@FreeBSD.org>
* 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 qsort_r(3) routine.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include <stdlib.h>
#include "test-sort.h"
#define THUNK 42
static int
sorthelp_r(void *thunk, const void *a, const void *b)
{
const int *oa, *ob;
ATF_REQUIRE_EQ(*(int *)thunk, THUNK);
oa = a;
ob = b;
/* Don't use "return *oa - *ob" since it's easy to cause overflow! */
if (*oa > *ob)
return (1);
if (*oa < *ob)
return (-1);
return (0);
}
ATF_TC_WITHOUT_HEAD(qsort_r_test);
ATF_TC_BODY(qsort_r_test, tc)
{
int testvector[IVEC_LEN];
int sresvector[IVEC_LEN];
int i, j;
int thunk = THUNK;
for (j = 2; j < IVEC_LEN; j++) {
/* Populate test vectors */
for (i = 0; i < j; i++)
testvector[i] = sresvector[i] = initvector[i];
/* Sort using qsort_r(3) */
qsort_r(testvector, j, sizeof(testvector[0]), &thunk,
sorthelp_r);
/* 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, qsort_r_test);
return (atf_no_error());
}