gecko-dev/nsprpub/pr/tests/atomic.c
1999-04-21 21:40:44 +00:00

104 lines
3.5 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#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);
test = -2;
rv = PR_AtomicIncrement(&test);
result = result | ((rv < 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicIncrement(%d) == %d: %s\n",
test, rv, (rv < 0) ? "PASSED" : "FAILED");
rv = PR_AtomicIncrement(&test);
result = result | ((rv == 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicIncrement(%d) == %d: %s\n",
test, rv, (rv == 0) ? "PASSED" : "FAILED");
rv = PR_AtomicIncrement(&test);
result = result | ((rv > 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicIncrement(%d) == %d: %s\n",
test, rv, (rv > 0) ? "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");
test = 2;
rv = PR_AtomicDecrement(&test);
result = result | ((rv > 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicDecrement(%d) == %d: %s\n",
test, rv, (rv > 0) ? "PASSED" : "FAILED");
rv = PR_AtomicDecrement(&test);
result = result | ((rv == 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicDecrement(%d) == %d: %s\n",
test, rv, (rv == 0) ? "PASSED" : "FAILED");
rv = PR_AtomicDecrement(&test);
result = result | ((rv < 0) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicDecrement(%d) == %d: %s\n",
test, rv, (rv < 0) ? "PASSED" : "FAILED");
/* set to a different value */
test = -2;
rv = PR_AtomicSet(&test, 2);
result = result | (((rv == -2) && (test == 2)) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicSet(%d) == %d: %s\n",
test, rv, ((rv == -2) && (test == 2)) ? "PASSED" : "FAILED");
/* set to the same value */
test = -2;
rv = PR_AtomicSet(&test, -2);
result = result | (((rv == -2) && (test == -2)) ? 0 : 1);
PR_fprintf(
output, "PR_AtomicSet(%d) == %d: %s\n",
test, rv, ((rv == -2) && (test == -2)) ? "PASSED" : "FAILED");
PR_fprintf(
output, "Atomic operations test %s\n",
(result == 0) ? "PASSED" : "FAILED");
return result;
} /* main */
/* atomic.c */