Mercurial > hg > truffle
annotate test/runtime/7100935/TestConjointAtomicArraycopy.java @ 7274:19f5c9b96fa7
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 18 Dec 2012 17:59:32 +0100 |
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1 /* |
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2 * Copyright 2011 SAP AG. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test TestConjointAtomicArraycopy |
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26 * @bug 7100935 |
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27 * @summary verify that oops are copied element-wise atomic |
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28 * @run main/othervm -Xint TestConjointAtomicArraycopy |
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29 * @run main/othervm -Xcomp -Xbatch TestConjointAtomicArraycopy |
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30 * @author axel.siebenborn@sap.com |
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31 */ |
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32 |
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33 public class TestConjointAtomicArraycopy { |
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34 |
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35 static volatile Object [] testArray = new Object [4]; |
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36 |
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37 static short[] a1 = new short[8]; |
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38 static short[] a2 = new short[8]; |
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39 static short[] a3 = new short[8]; |
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40 |
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41 static volatile boolean keepRunning = true; |
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42 |
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43 static void testOopsCopy() throws InterruptedException{ |
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44 |
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45 } |
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46 |
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47 public static void main(String[] args ) throws InterruptedException{ |
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48 for (int i = 0; i < testArray.length; i++){ |
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49 testArray[i] = new String("A"); |
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50 } |
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51 |
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52 Thread writer = new Thread (new Runnable(){ |
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53 public void run(){ |
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54 for (int i = 0 ; i < 1000000; i++) { |
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55 System.arraycopy(testArray, 1, testArray, 0, 3); |
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56 testArray[2] = new String("a"); |
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57 } |
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58 } |
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59 }); |
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60 |
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61 Thread reader = new Thread( new Runnable(){ |
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62 public void run(){ |
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63 while (keepRunning){ |
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64 String name = testArray[2].getClass().getName(); |
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65 if(!(name.endsWith("String"))){ |
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66 throw new RuntimeException("got wrong class name"); |
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67 } |
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68 } |
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69 } |
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70 }); |
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71 keepRunning = true; |
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72 reader.start(); |
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73 writer.start(); |
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74 writer.join(); |
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75 keepRunning = false; |
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76 reader.join(); |
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77 } |
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78 } |