001/*
002 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.jtt.optimize;
024
025import org.junit.*;
026
027public class ReassociateConstants {
028
029    public static int rnd = (int) (Math.random() * 100);
030
031    @Test
032    public void run0() throws Throwable {
033        Assert.assertEquals(rnd + 3, 1 + (rnd + 2));
034        Assert.assertEquals(rnd + 3, (rnd + 2) + 1);
035        Assert.assertEquals(rnd + 3, 1 + (2 + rnd));
036        Assert.assertEquals(rnd + 3, (2 + rnd) + 1);
037
038        Assert.assertEquals(-1 - rnd, 1 - (rnd + 2));
039        Assert.assertEquals(rnd + 1, (rnd + 2) - 1);
040        Assert.assertEquals(-1 - rnd, 1 - (2 + rnd));
041        Assert.assertEquals(rnd + 1, (2 + rnd) - 1);
042
043        Assert.assertEquals(rnd - 1, 1 + (rnd - 2));
044        Assert.assertEquals(rnd - 1, (rnd - 2) + 1);
045        Assert.assertEquals(-rnd + 3, 1 + (2 - rnd));
046        Assert.assertEquals(-rnd + 3, (2 - rnd) + 1);
047
048        Assert.assertEquals(-rnd + 3, 1 - (rnd - 2));
049        Assert.assertEquals(rnd - 3, (rnd - 2) - 1);
050        Assert.assertEquals(rnd + -1, 1 - (2 - rnd));
051        Assert.assertEquals(-rnd + 1, (2 - rnd) - 1);
052    }
053}