1 /* 2 * Copyright (c) 2013, 2015, 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 24 /* 25 * @test 26 * @summary Test launches unit tests inside vm concurrently 27 * @library /test/lib 28 * @modules java.base/jdk.internal.misc 29 * java.management 30 * @build sun.hotspot.WhiteBox 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox 32 * sun.hotspot.WhiteBox$WhiteBoxPermission 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI RunUnitTestsConcurrently 30 15000 34 */ 35 36 import jdk.test.lib.Platform; 37 import sun.hotspot.WhiteBox; 38 39 public class RunUnitTestsConcurrently { 40 41 private static WhiteBox wb; 42 private static long timeout; 43 private static long timeStamp; 44 45 public static class Worker implements Runnable { 46 @Override 47 public void run() { 48 while (System.currentTimeMillis() - timeStamp < timeout) { 49 WhiteBox.getWhiteBox().runMemoryUnitTests(); 50 } 51 } 52 } 53 54 public static void main(String[] args) throws InterruptedException { 55 if (!Platform.isDebugBuild() || !Platform.is64bit()) { 56 return; 57 } 58 wb = WhiteBox.getWhiteBox(); 59 System.out.println("Starting threads"); 60 61 int threads = Integer.valueOf(args[0]); 62 timeout = Long.valueOf(args[1]); 63 64 timeStamp = System.currentTimeMillis(); 65 66 Thread[] threadsArray = new Thread[threads]; 67 for (int i = 0; i < threads; i++) { 68 threadsArray[i] = new Thread(new Worker()); 69 threadsArray[i].start(); 70 } 71 for (int i = 0; i < threads; i++) { 72 threadsArray[i].join(); 73 } 74 75 System.out.println("Quitting test."); 76 } 77 }