Mercurial > hg > graal-compiler
view test/runtime/7100935/TestConjointAtomicArraycopy.java @ 22232:4a500b3783fb
Merge
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Wed, 15 Jul 2015 10:16:28 -0700 |
parents | 16f9fa2bf76c |
children |
line wrap: on
line source
/* * Copyright 2011 SAP AG. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test TestConjointAtomicArraycopy * @bug 7100935 * @summary verify that oops are copied element-wise atomic * @run main/othervm -Xint TestConjointAtomicArraycopy * @run main/othervm -Xcomp -Xbatch TestConjointAtomicArraycopy * @author axel.siebenborn@sap.com */ public class TestConjointAtomicArraycopy { static volatile Object [] testArray = new Object [4]; static short[] a1 = new short[8]; static short[] a2 = new short[8]; static short[] a3 = new short[8]; static volatile boolean keepRunning = true; static void testOopsCopy() throws InterruptedException{ } public static void main(String[] args ) throws InterruptedException{ for (int i = 0; i < testArray.length; i++){ testArray[i] = new String("A"); } Thread writer = new Thread (new Runnable(){ public void run(){ for (int i = 0 ; i < 1000000; i++) { System.arraycopy(testArray, 1, testArray, 0, 3); testArray[2] = new String("a"); } } }); Thread reader = new Thread( new Runnable(){ public void run(){ while (keepRunning){ String name = testArray[2].getClass().getName(); if(!(name.endsWith("String"))){ throw new RuntimeException("got wrong class name"); } } } }); keepRunning = true; reader.start(); writer.start(); writer.join(); keepRunning = false; reader.join(); } }