Mercurial > hg > truffle
annotate test/runtime/7100935/TestShortArraycopy.java @ 4111:55d777c0860a
7118648: disable compressed oops by default on MacOS X until 7118647 is fixed
Summary: UseCompressedOops is false by default on MacOS X; can still be set manually
Reviewed-by: jmelvin, kvn, dholmes
author | dcubed |
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date | Wed, 07 Dec 2011 07:27:09 -0800 |
parents | 16f9fa2bf76c |
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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 TestShortArraycopy |
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26 * @bug 7100935 |
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27 * @summary verify that shorts are copied element-wise atomic. |
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28 * @run main/othervm -Xint TestShortArraycopy |
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29 * @run main/othervm -Xcomp -Xbatch TestShortArraycopy |
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30 * @author volker.simonis@gmail.com |
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31 */ |
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32 |
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33 public class TestShortArraycopy { |
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34 |
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35 static short[] a1 = new short[8]; |
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36 static short[] a2 = new short[8]; |
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37 static short[] a3 = new short[8]; |
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38 |
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39 static volatile boolean keepRunning = true; |
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40 |
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41 public static void main(String[] args) throws InterruptedException { |
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42 |
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43 for (int i = 0; i < a1.length ; i++) { |
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44 a1[i] = (short)0xffff; |
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45 a2[i] = (short)0xffff; |
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46 a3[i] = (short)0x0000; |
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47 } |
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48 Thread reader = new Thread() { |
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49 public void run() { |
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50 while (keepRunning) { |
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51 for (int j = 0; j < a1.length; j++) { |
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52 short s = a1[j]; |
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53 if (s != (short)0xffff && s != (short)0x0000) { |
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54 System.out.println("Error: s = " + s); |
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55 throw new RuntimeException("wrong result"); |
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56 |
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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 }; |
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62 Thread writer = new Thread() { |
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63 public void run() { |
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64 for (int i = 0; i < 1000000; i++) { |
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65 System.arraycopy(a2, 5, a1, 3, 3); |
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66 System.arraycopy(a3, 5, a1, 3, 3); |
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67 } |
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68 } |
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69 }; |
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70 keepRunning = true; |
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71 reader.start(); |
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72 writer.start(); |
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73 writer.join(); |
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74 keepRunning = false; |
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75 reader.join(); |
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76 } |
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77 } |