--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/concurrent/ThreadPoolExecutor/FlakyThreadFactory.java Tue Oct 13 16:45:35 2015 -0700
@@ -0,0 +1,108 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * This file is available under and governed by the GNU General Public
+ * License version 2 only, as published by the Free Software Foundation.
+ * However, the following notice accompanied the original version of this
+ * file:
+ *
+ * Written by Martin Buchholz and Doug Lea with assistance from
+ * members of JCP JSR-166 Expert Group and released to the public
+ * domain, as explained at
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/*
+ * @test
+ * @summary Should be able to shutdown a pool when worker creation failed.
+ */
+
+import java.util.concurrent.*;
+
+public class FlakyThreadFactory {
+ void test(String[] args) throws Throwable {
+ test(NullPointerException.class,
+ new ThreadFactory() {
+ public Thread newThread(Runnable r) {
+ throw new NullPointerException();
+ }});
+ test(OutOfMemoryError.class,
+ new ThreadFactory() {
+ public Thread newThread(Runnable r) {
+ new Thread(null, r, "a natural OOME", 1L << 60);
+ // """On some platforms, the value of the stackSize
+ // parameter may have no effect whatsoever."""
+ throw new OutOfMemoryError("artificial OOME");
+ }});
+ test(null,
+ new ThreadFactory() {
+ public Thread newThread(Runnable r) {
+ return null;
+ }});
+ }
+
+ void test(final Class<?> exceptionClass,
+ final ThreadFactory failingThreadFactory)
+ throws Throwable {
+ ThreadFactory flakyThreadFactory = new ThreadFactory() {
+ int seq = 0;
+ public Thread newThread(Runnable r) {
+ if (seq++ < 4)
+ return new Thread(r);
+ else
+ return failingThreadFactory.newThread(r);
+ }};
+ ThreadPoolExecutor pool =
+ new ThreadPoolExecutor(10, 10,
+ 0L, TimeUnit.SECONDS,
+ new LinkedBlockingQueue(),
+ flakyThreadFactory);
+ try {
+ for (int i = 0; i < 8; i++)
+ pool.submit(new Runnable() { public void run() {} });
+ check(exceptionClass == null);
+ } catch (Throwable t) {
+ /* t.printStackTrace(); */
+ check(exceptionClass.isInstance(t));
+ }
+ pool.shutdown();
+ check(pool.awaitTermination(10L, TimeUnit.SECONDS));
+ }
+
+ //--------------------- Infrastructure ---------------------------
+ volatile int passed = 0, failed = 0;
+ void pass() {passed++;}
+ void fail() {failed++; Thread.dumpStack();}
+ void fail(String msg) {System.err.println(msg); fail();}
+ void unexpected(Throwable t) {failed++; t.printStackTrace();}
+ void check(boolean cond) {if (cond) pass(); else fail();}
+ void equal(Object x, Object y) {
+ if (x == null ? y == null : x.equals(y)) pass();
+ else fail(x + " not equal to " + y);}
+ public static void main(String[] args) throws Throwable {
+ new FlakyThreadFactory().instanceMain(args);}
+ public void instanceMain(String[] args) throws Throwable {
+ try {test(args);} catch (Throwable t) {unexpected(t);}
+ System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
+ if (failed > 0) throw new AssertionError("Some tests failed");}
+}