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 6415572
0N/A * @summary Check exceptional behavior in run and done methods
0N/A */
0N/A
0N/Aimport java.util.concurrent.*;
0N/A
0N/Apublic class Throw {
0N/A
0N/A @SuppressWarnings("deprecation")
0N/A static void THROW(final Throwable t) {
0N/A if (t != null)
0N/A Thread.currentThread().stop(t);
0N/A }
0N/A
0N/A Callable<Void> thrower(final Throwable t) {
0N/A return new Callable<Void>() { public Void call() {
0N/A THROW(t); return null; }};
0N/A }
0N/A
0N/A @SuppressWarnings("serial")
0N/A private static class DoneError extends Error {}
0N/A
0N/A @SuppressWarnings("serial")
0N/A private static class DoneException extends RuntimeException {}
0N/A
0N/A static class MyFutureTask extends FutureTask<Void> {
0N/A MyFutureTask(Callable<Void> task) { super(task); }
0N/A public boolean runAndReset() { return super.runAndReset(); }
0N/A }
0N/A
0N/A MyFutureTask checkTask(final MyFutureTask task) {
0N/A check(! task.isCancelled());
0N/A check(! task.isDone());
0N/A return task;
0N/A }
0N/A
0N/A MyFutureTask taskFor(final Throwable callableThrowable,
0N/A final Throwable doneThrowable) {
0N/A return checkTask(
0N/A new MyFutureTask(thrower(callableThrowable)) {
0N/A protected void done() { THROW(doneThrowable); }});
0N/A }
0N/A
0N/A void test(String[] args) throws Throwable {
0N/A final Throwable[] callableThrowables = {
0N/A null, new Exception(), new Error(), new RuntimeException() };
0N/A final Throwable[] doneThrowables = {
0N/A new DoneError(), new DoneException() };
0N/A for (final Throwable c : callableThrowables) {
0N/A for (final Throwable d : doneThrowables) {
0N/A THROWS(d.getClass(),
0N/A new F(){void f(){
0N/A taskFor(c, d).cancel(false);}},
0N/A new F(){void f(){
0N/A taskFor(c, d).run();}});
0N/A if (c != null)
0N/A THROWS(d.getClass(),
0N/A new F(){void f(){
0N/A taskFor(c, d).runAndReset();}});
0N/A }
0N/A
0N/A try {
0N/A final MyFutureTask task = taskFor(c, null);
0N/A check(task.cancel(false));
0N/A THROWS(CancellationException.class,
0N/A new F(){void f() throws Throwable { task.get(); }});
0N/A } catch (Throwable t) { unexpected(t); }
0N/A
0N/A if (c != null) {
0N/A final MyFutureTask task = taskFor(c, null);
0N/A task.run();
0N/A try {
0N/A task.get();
0N/A fail("Expected ExecutionException");
0N/A } catch (ExecutionException ee) {
0N/A equal(c.getClass(), ee.getCause().getClass());
0N/A } catch (Throwable t) { unexpected(t); }
0N/A }
0N/A
0N/A if (c != null) {
0N/A final MyFutureTask task = taskFor(c, null);
0N/A task.runAndReset();
0N/A try {
0N/A task.get();
0N/A fail("Expected ExecutionException");
0N/A } catch (ExecutionException ee) {
0N/A check(c.getClass().isInstance(ee.getCause()));
0N/A } catch (Throwable t) { unexpected(t); }
0N/A }
0N/A }
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 Throw().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 abstract class F {abstract void f() throws Throwable;}
0N/A void THROWS(Class<? extends Throwable> k, F... fs) {
0N/A for (F f : fs)
0N/A try {f.f(); fail("Expected " + k.getName() + " not thrown");}
0N/A catch (Throwable t) {
0N/A if (k.isAssignableFrom(t.getClass())) pass();
0N/A else unexpected(t);}}
0N/A}