2846N/A/*
2846N/A * Copyright 2011 SAP AG. All Rights Reserved.
2846N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
2846N/A *
2846N/A * This code is free software; you can redistribute it and/or modify it
2846N/A * under the terms of the GNU General Public License version 2 only, as
2846N/A * published by the Free Software Foundation.
2846N/A *
2846N/A * This code is distributed in the hope that it will be useful, but WITHOUT
2846N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2846N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2846N/A * version 2 for more details (a copy is included in the LICENSE file that
2846N/A * accompanied this code).
2846N/A *
2846N/A * You should have received a copy of the GNU General Public License version
2846N/A * 2 along with this work; if not, write to the Free Software Foundation,
2846N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
2846N/A *
2846N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2846N/A * or visit www.oracle.com if you need additional information or have any
2846N/A * questions.
2846N/A */
2846N/A
2846N/A/*
2846N/A * @test TestConjointAtomicArraycopy
2846N/A * @bug 7100935
2846N/A * @summary verify that oops are copied element-wise atomic
2846N/A * @run main/othervm -Xint TestConjointAtomicArraycopy
2846N/A * @run main/othervm -Xcomp -Xbatch TestConjointAtomicArraycopy
2846N/A * @author axel.siebenborn@sap.com
2846N/A */
2846N/A
2846N/Apublic class TestConjointAtomicArraycopy {
2846N/A
2846N/A static volatile Object [] testArray = new Object [4];
2846N/A
2846N/A static short[] a1 = new short[8];
2846N/A static short[] a2 = new short[8];
2846N/A static short[] a3 = new short[8];
2846N/A
2846N/A static volatile boolean keepRunning = true;
2846N/A
2846N/A static void testOopsCopy() throws InterruptedException{
2846N/A
2846N/A }
2846N/A
2846N/A public static void main(String[] args ) throws InterruptedException{
2846N/A for (int i = 0; i < testArray.length; i++){
2846N/A testArray[i] = new String("A");
2846N/A }
2846N/A
2846N/A Thread writer = new Thread (new Runnable(){
2846N/A public void run(){
2846N/A for (int i = 0 ; i < 1000000; i++) {
2846N/A System.arraycopy(testArray, 1, testArray, 0, 3);
2846N/A testArray[2] = new String("a");
2846N/A }
2846N/A }
2846N/A });
2846N/A
2846N/A Thread reader = new Thread( new Runnable(){
2846N/A public void run(){
2846N/A while (keepRunning){
2846N/A String name = testArray[2].getClass().getName();
2846N/A if(!(name.endsWith("String"))){
2846N/A throw new RuntimeException("got wrong class name");
2846N/A }
2846N/A }
2846N/A }
2846N/A });
2846N/A keepRunning = true;
2846N/A reader.start();
2846N/A writer.start();
2846N/A writer.join();
2846N/A keepRunning = false;
2846N/A reader.join();
2846N/A }
2846N/A}