1 /*
   2  * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.jtt.optimize;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.jtt.JTTTest;
  28 
  29 public class BoxingIdentity extends JTTTest {
  30     interface ArrayMirror {
  31         Object get(int i);
  32     }
  33 
  34     static class IntArray implements ArrayMirror {
  35         final int[] array;
  36 
  37         IntArray() {
  38             this.array = new int[8];
  39         }
  40 
  41         @Override
  42         public Object get(int i) {
  43             return array[i];
  44         }
  45     }
  46 
  47     public int testIntArray(Object m) {
  48         ArrayMirror a = new IntArray();
  49         if (a.get(0) != m) {
  50             return 42;
  51         }
  52         return 41;
  53     }
  54 
  55     @Test
  56     public void runIntArray() {
  57         runTest("testIntArray", 0);
  58         runTest("testIntArray", 1);
  59     }
  60 
  61     public boolean isTrue(Object obj) {
  62         return obj == Boolean.valueOf(true);
  63     }
  64 
  65     @Test
  66     public void runIsTrue() {
  67         runTest("isTrue", true);
  68         runTest("isTrue", false);
  69     }
  70 }