0N/A/*
2362N/A * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 6576792
0N/A * @summary non-idle worker threads should not be interrupted
0N/A */
0N/A
0N/Aimport java.util.concurrent.*;
0N/A
0N/Apublic class SelfInterrupt {
0N/A void test(String[] args) throws Throwable {
0N/A final int n = 100;
0N/A final ThreadPoolExecutor pool =
0N/A new ThreadPoolExecutor(n, n, 1L, TimeUnit.NANOSECONDS,
0N/A new SynchronousQueue<Runnable>());
0N/A final CountDownLatch startingGate = new CountDownLatch(n);
0N/A final CountDownLatch finishLine = new CountDownLatch(n);
0N/A equal(pool.getCorePoolSize(), n);
0N/A equal(pool.getPoolSize(), 0);
0N/A for (int i = 0; i < n; i++)
0N/A pool.execute(new Runnable() { public void run() {
0N/A try {
0N/A startingGate.countDown();
0N/A startingGate.await();
0N/A equal(pool.getPoolSize(), n);
0N/A pool.setCorePoolSize(n);
0N/A pool.setCorePoolSize(1);
0N/A check(! Thread.interrupted());
0N/A equal(pool.getPoolSize(), n);
0N/A finishLine.countDown();
0N/A finishLine.await();
0N/A check(! Thread.interrupted());
0N/A } catch (Throwable t) { unexpected(t); }}});
0N/A finishLine.await();
0N/A pool.shutdown();
0N/A check(pool.awaitTermination(1000L, TimeUnit.SECONDS));
0N/A }
0N/A
0N/A //--------------------- Infrastructure ---------------------------
0N/A volatile int passed = 0, failed = 0;
0N/A void pass() {passed++;}
0N/A void fail() {failed++; Thread.dumpStack();}
0N/A void fail(String msg) {System.err.println(msg); fail();}
0N/A void unexpected(Throwable t) {failed++; t.printStackTrace();}
0N/A void check(boolean cond) {if (cond) pass(); else fail();}
0N/A void equal(Object x, Object y) {
0N/A if (x == null ? y == null : x.equals(y)) pass();
0N/A else fail(x + " not equal to " + y);}
0N/A public static void main(String[] args) throws Throwable {
0N/A new SelfInterrupt().instanceMain(args);}
0N/A void instanceMain(String[] args) throws Throwable {
0N/A try {test(args);} catch (Throwable t) {unexpected(t);}
0N/A System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
0N/A if (failed > 0) throw new AssertionError("Some tests failed");}
0N/A}