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/* -*- 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"

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 */