1 /* 2 * Copyright (c) 2014, 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 /testlibrary /testlibrary/whitebox 28 * @build RunUnitTestsConcurrently 29 * @run main/othervm/bootclasspath -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI RunUnitTestsConcurrently 30 15000 30 */ 31 32 import com.oracle.java.testlibrary.*; 33 import sun.hotspot.WhiteBox; 34 35 public class RunUnitTestsConcurrently { 36 37 private static WhiteBox wb; 38 private static long timeout; 39 private static long timeStamp; 40 41 public static class Worker implements Runnable { 42 @Override 43 public void run() { 44 while (System.currentTimeMillis() - timeStamp < timeout) { 45 WhiteBox.getWhiteBox().runMemoryUnitTests(); 46 } 47 } 48 } 49 50 public static void main(String[] args) throws InterruptedException { 51 if (!Platform.isDebugBuild() || !Platform.is64bit()) { 52 return; 53 } 54 wb = WhiteBox.getWhiteBox(); 55 System.out.println("Starting threads"); 56 57 int threads = Integer.valueOf(args[0]); 58 timeout = Long.valueOf(args[1]); 59 60 timeStamp = System.currentTimeMillis(); 61 62 Thread[] threadsArray = new Thread[threads]; 63 for (int i = 0; i < threads; i++) { 64 threadsArray[i] = new Thread(new Worker()); 65 threadsArray[i].start(); 66 } 67 for (int i = 0; i < threads; i++) { 68 threadsArray[i].join(); 69 } 70 71 System.out.println("Quitting test."); 72 } 73 }