/*

 * Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.

 * 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.

 */

/*

 * @test

 * @bug 6398290

 * @summary Check Executors/STPE Exception specifications

 * @author Martin Buchholz

 */

import java.security.PrivilegedAction;

import java.security.PrivilegedExceptionAction;

public class Throws {

    private static void realMain(String[] args) throws Throwable {

        final ThreadFactory fac = defaultThreadFactory();

        final ThreadFactory nullFactory = null;

        final RejectedExecutionHandler reh

            = new RejectedExecutionHandler() {

                    public void rejectedExecution(Runnable r,

                                                  ThreadPoolExecutor executor) {}};

        final RejectedExecutionHandler nullHandler = null;

        THROWS(NullPointerException.class,

               () -> newFixedThreadPool(3, null),

               () -> newCachedThreadPool(null),

               () -> newSingleThreadScheduledExecutor(null),

               () -> newScheduledThreadPool(0, null),

               () -> unconfigurableExecutorService(null),

               () -> unconfigurableScheduledExecutorService(null),

               () -> callable(null, "foo"),

               () -> callable((Runnable) null),

               () -> callable((PrivilegedAction<?>) null),

               () -> callable((PrivilegedExceptionAction<?>) null),

               () -> privilegedCallable((Callable<?>) null),

               () -> new ScheduledThreadPoolExecutor(0, nullFactory),

               () -> new ScheduledThreadPoolExecutor(0, nullFactory, reh),

               () -> new ScheduledThreadPoolExecutor(0, fac, nullHandler));

        THROWS(IllegalArgumentException.class,

               () -> newFixedThreadPool(-42),

               () -> newFixedThreadPool(0),

               () -> newFixedThreadPool(-42, fac),

               () -> newFixedThreadPool(0,   fac),

               () -> newScheduledThreadPool(-42),

               () -> new ScheduledThreadPoolExecutor(-42),

               () -> new ScheduledThreadPoolExecutor(-42, reh),

               () -> new ScheduledThreadPoolExecutor(-42, fac, reh));

        try { newFixedThreadPool(1).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { newFixedThreadPool(1, fac).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { newSingleThreadExecutor().shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { newCachedThreadPool().shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { newSingleThreadScheduledExecutor().shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { newSingleThreadScheduledExecutor(fac).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { newScheduledThreadPool(0).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { newScheduledThreadPool(0, fac).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { new ScheduledThreadPoolExecutor(0).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { new ScheduledThreadPoolExecutor(0, fac).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

        try { new ScheduledThreadPoolExecutor(0, fac, reh).shutdownNow(); pass(); }

        catch (Throwable t) { unexpected(t); }

    }

    //--------------------- Infrastructure ---------------------------

    static volatile int passed = 0, failed = 0;

    static void pass() {passed++;}

    static void fail() {failed++; Thread.dumpStack();}

    static void fail(String msg) {System.out.println(msg); fail();}

    static void unexpected(Throwable t) {failed++; t.printStackTrace();}

    static void check(boolean cond) {if (cond) pass(); else fail();}

    static 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 {

        try {realMain(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");}

    interface Fun {void f() throws Throwable;}

    static void THROWS(Class<? extends Throwable> k, Fun... fs) {

        for (Fun f : fs)

            try { f.f(); fail("Expected " + k.getName() + " not thrown"); }

            catch (Throwable t) {

                if (k.isAssignableFrom(t.getClass())) pass();

                else unexpected(t);}}

}