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 array length operations.
031 */
032public class ArrayLength01 extends JTTTest {
033
034    public static final int SIZE = 8;
035    public static final byte[] arr = new byte[5];
036
037    public static int test(int arg) {
038        if (arg == 0) {
039            return arr.length;
040        }
041        if (arg == 1) {
042            return new byte[6].length;
043        }
044        if (arg == 2) {
045            return new Object[7].length;
046        }
047        if (arg == 3) {
048            return new Class[SIZE][].length;
049        }
050        if (arg == 4) {
051            return new int[arg].length;
052        }
053        return 0;
054    }
055
056    @Test
057    public void run0() throws Throwable {
058        runTest("test", 0);
059    }
060
061    @Test
062    public void run1() throws Throwable {
063        runTest("test", 1);
064    }
065
066    @Test
067    public void run2() throws Throwable {
068        runTest("test", 2);
069    }
070
071    @Test
072    public void run3() throws Throwable {
073        runTest("test", 3);
074    }
075
076    @Test
077    public void run4() throws Throwable {
078        runTest("test", 4);
079    }
080
081}