gecko/nsprpub/pr/tests/atomic.c

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2008-06-06 05:36:51 -07:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "prio.h"
#include "prprf.h"
#include "pratom.h"
/*
* TODO: create a macro to generate the six lines of code that are repeated
* for every test. Also rewrite the statement
* result = result | ((EXPRESSION) ? 0 : 1);
* as
* result |= !(EXPRESSION);
*/
int main(int argc, char **argv)
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{
PRInt32 rv, oldval, test, result = 0;
PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput);
/***********************/
/* Test the functions. */
/***********************/
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");
/***********************/
/* Test the macros. */
/***********************/
oldval = test = -2;
rv = PR_ATOMIC_INCREMENT(&test);
result = result | ((rv == -1) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n",
oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_ATOMIC_INCREMENT(&test);
result = result | ((rv == 0) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n",
oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_ATOMIC_INCREMENT(&test);
result = result | ((rv == 1) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n",
oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
oldval = test = -2;
rv = PR_ATOMIC_ADD(&test,1);
result = result | ((rv == -1) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n",
oldval, 1, rv, (rv == -1) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_ATOMIC_ADD(&test, 4);
result = result | ((rv == 3) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n",
oldval, 4, rv, (rv == 3) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_ATOMIC_ADD(&test, -6);
result = result | ((rv == -3) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n",
oldval, -6, rv, (rv == -3) ? "PASSED" : "FAILED");
oldval = test = 2;
rv = PR_ATOMIC_DECREMENT(&test);
result = result | ((rv == 1) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n",
oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_ATOMIC_DECREMENT(&test);
result = result | ((rv == 0) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n",
oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
oldval = test;
rv = PR_ATOMIC_DECREMENT(&test);
result = result | ((rv == -1) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n",
oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
/* set to a different value */
oldval = test = -2;
rv = PR_ATOMIC_SET(&test, 2);
result = result | (((rv == -2) && (test == 2)) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_SET(%d, %d) == %d: %s\n",
oldval, 2, rv, ((rv == -2) && (test == 2)) ? "PASSED" : "FAILED");
/* set to the same value */
oldval = test = -2;
rv = PR_ATOMIC_SET(&test, -2);
result = result | (((rv == -2) && (test == -2)) ? 0 : 1);
PR_fprintf(
output, "PR_ATOMIC_SET(%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 */