gecko-dev/nsprpub/pr/tests/atomic.c
2000-06-20 21:48:45 +00:00

124 lines
4.4 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#include "prio.h"
#include "prprf.h"
#include "pratom.h"
PRIntn main(PRIntn argc, char **argv)
{
PRInt32 rv, oldval, test, result = 0;
PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput);
oldval = test = -2;
rv = PR_AtomicIncrement(&test);
result = result | ((rv == -1) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicIncrement(%d) == %d: %s\n",
oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_AtomicIncrement(&test);
result = result | ((rv == 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicIncrement(%d) == %d: %s\n",
oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_AtomicIncrement(&test);
result = result | ((rv == 1) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicIncrement(%d) == %d: %s\n",
oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
oldval = test = -2;
rv = PR_AtomicAdd(&test,1);
result = result | ((rv == -1) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicAdd(%d,%d) == %d: %s\n",
oldval, 1, rv, (rv == -1) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_AtomicAdd(&test, 4);
result = result | ((rv == 3) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicAdd(%d,%d) == %d: %s\n",
oldval, 4, rv, (rv == 3) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_AtomicAdd(&test, -6);
result = result | ((rv == -3) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicAdd(%d,%d) == %d: %s\n",
oldval, -6, rv, (rv == -3) ? "PASSED" : "FAILED");
oldval = test = 2;
rv = PR_AtomicDecrement(&test);
result = result | ((rv == 1) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicDecrement(%d) == %d: %s\n",
oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_AtomicDecrement(&test);
result = result | ((rv == 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicDecrement(%d) == %d: %s\n",
oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_AtomicDecrement(&test);
result = result | ((rv == -1) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicDecrement(%d) == %d: %s\n",
oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
/* set to a different value */
oldval = test = -2;
rv = PR_AtomicSet(&test, 2);
result = result | (((rv == -2) && (test == 2)) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicSet(%d, %d) == %d: %s\n",
oldval, 2, rv, ((rv == -2) && (test == 2)) ? "PASSED" : "FAILED");
/* set to the same value */
oldval = test = -2;
rv = PR_AtomicSet(&test, -2);
result = result | (((rv == -2) && (test == -2)) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicSet(%d, %d) == %d: %s\n",
oldval, -2, rv, ((rv == -2) && (test == -2)) ? "PASSED" : "FAILED");
PR_fprintf(
output, "Atomic operations test %s\n",
(result == 0) ? "PASSED" : "FAILED");
return result;
} /* main */
/* atomic.c */