001/*
002 * Copyright (c) 2009, 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
027import com.oracle.graal.jtt.*;
028
029/*
030 * Tests constant folding of integer operations.
031 */
032public class Fold_Cast01 extends JTTTest {
033
034    private static class TestClass {
035        int field = 9;
036    }
037
038    static final Object object = new TestClass();
039
040    public static int test(int arg) {
041        if (arg == 0) {
042            return ((TestClass) object).field;
043        }
044        if (arg == 1) {
045            Object obj = new TestClass();
046            return ((TestClass) obj).field;
047        }
048        if (arg == 2) {
049            return ((TestClass) null).field;
050        }
051        return 0;
052    }
053
054    @Test
055    public void run0() throws Throwable {
056        runTest("test", 0);
057    }
058
059    @Test
060    public void run1() throws Throwable {
061        runTest("test", 1);
062    }
063
064    @Test
065    public void run2() throws Throwable {
066        runTest("test", 2);
067    }
068
069}