1/* 2 * Copyright (c) 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 Basic test for Thread(ThreadGroup,Runnable,String,long,boolean) 27 */ 28 29public class ITLConstructor { 30 static InheritableThreadLocal<Integer> n = new InheritableThreadLocal<>() { 31 protected Integer initialValue() { 32 return 0; 33 } 34 35 protected Integer childValue(Integer parentValue) { 36 return parentValue + 1; 37 } 38 }; 39 40 static final int CHILD_THREAD_COUNT = 10; 41 42 public static void main(String args[]) throws Exception { 43 test(true); 44 test(false); 45 } 46 47 static void test(boolean inherit) throws Exception { 48 // concurrent access to separate indexes is ok 49 int[] x = new int[CHILD_THREAD_COUNT]; 50 Thread child = new Thread(Thread.currentThread().getThreadGroup(), 51 new AnotherRunnable(0, x, inherit), 52 "ITLConstructor-thread-"+(0), 53 0, 54 inherit); 55 child.start(); 56 child.join(); // waits for *all* threads to complete 57 58 // Check results 59 for(int i=0; i<CHILD_THREAD_COUNT; i++) { 60 int expectedValue = 1; 61 if (inherit) 62 expectedValue = i+1; 63 64 if (x[i] != expectedValue) 65 throw (new Exception("Got x[" + i + "] = " + x[i] 66 + ", expected: " + expectedValue)); 67 } 68 } 69 70 static class AnotherRunnable implements Runnable { 71 final int threadId; 72 final int[] x; 73 final boolean inherit; 74 AnotherRunnable(int threadId, int[] x, boolean inherit) { 75 this.threadId = threadId; 76 this.x = x; 77 this.inherit = inherit; 78 } 79 80 public void run() { 81 int itlValue = n.get(); 82 83 if (threadId < CHILD_THREAD_COUNT-1) { 84 Thread child = new Thread(Thread.currentThread().getThreadGroup(), 85 new AnotherRunnable(threadId+1, x, inherit), 86 "ITLConstructor-thread-" + (threadId+1), 87 0, 88 inherit); 89 child.start(); 90 try { 91 child.join(); 92 } catch(InterruptedException e) { 93 throw(new RuntimeException("Interrupted", e)); 94 } 95 } 96 97 x[threadId] = itlValue+1; 98 } 99 } 100} 101