1 /*
   2  * Copyright (c) 2011, 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.Before;
  26 import org.junit.Test;
  27 
  28 import org.graalvm.compiler.jtt.JTTTest;
  29 
  30 /*
  31  * Tests calls to the array copy method.
  32  */
  33 public class ArrayCopy04 extends JTTTest {
  34 
  35     public static byte[] array = new byte[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
  36     public static byte[] array0 = new byte[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
  37     static {
  38         // Ensure System is resolved
  39         System.arraycopy(array, 0, array, 0, array.length);
  40     }
  41 
  42     @Before
  43     public void setUp() {
  44         System.currentTimeMillis();
  45         for (int i = 0; i < array.length; i++) {
  46             array[i] = array0[i];
  47         }
  48     }
  49 
  50     public static byte[] test(int srcPos, int destPos, int length) {
  51         System.arraycopy(array, srcPos, array, destPos, length);
  52         return array;
  53     }
  54 
  55     @Test
  56     public void run0() throws Throwable {
  57         runTest("test", 0, 0, 0);
  58     }
  59 
  60     @Test
  61     public void run1() throws Throwable {
  62         runTest("test", 0, 0, -1);
  63     }
  64 
  65     @Test
  66     public void run2() throws Throwable {
  67         runTest("test", -1, 0, 0);
  68     }
  69 
  70     @Test
  71     public void run3() throws Throwable {
  72         runTest("test", 0, -1, 0);
  73     }
  74 
  75     @Test
  76     public void run4() throws Throwable {
  77         runTest("test", 0, 0, 2);
  78     }
  79 
  80     @Test
  81     public void run5() throws Throwable {
  82         runTest("test", 0, 1, 11);
  83     }
  84 
  85     @Test
  86     public void run6() throws Throwable {
  87         runTest("test", 1, 0, 11);
  88     }
  89 
  90     @Test
  91     public void run7() throws Throwable {
  92         runTest("test", 1, 1, -1);
  93     }
  94 
  95     @Test
  96     public void run8() throws Throwable {
  97         runTest("test", 0, 1, 2);
  98     }
  99 
 100     @Test
 101     public void run9() throws Throwable {
 102         runTest("test", 1, 0, 2);
 103     }
 104 
 105     @Test
 106     public void run10() throws Throwable {
 107         runTest("test", 1, 1, 2);
 108     }
 109 
 110     @Test
 111     public void run11() throws Throwable {
 112         runTest("test", 0, 0, 6);
 113     }
 114 
 115     @Test
 116     public void run12() throws Throwable {
 117         runTest("test", 0, 1, 5);
 118     }
 119 
 120     @Test
 121     public void run13() throws Throwable {
 122         runTest("test", 1, 0, 5);
 123     }
 124 
 125     @Test
 126     public void run14() throws Throwable {
 127         runTest("test", 1, 1, 5);
 128     }
 129 
 130     @Test
 131     public void run15() throws Throwable {
 132         runTest("test", 0, 0, 11);
 133     }
 134 
 135     @Test
 136     public void run16() throws Throwable {
 137         runTest("test", 0, 1, 10);
 138     }
 139 
 140     @Test
 141     public void run17() throws Throwable {
 142         runTest("test", 1, 0, 10);
 143     }
 144 }