/*

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 * 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.

 *

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 */

/*

 * @test

 * @bug 6571655 6571881 6574585 6571297

 * @summary Test various args to task scheduling methods

 */

import java.util.*;

import java.util.concurrent.*;

public class Args {

    void schedule(final Timer t, final TimerTask task, final Date d) {

        t.schedule(task, d);

        THROWS(IllegalStateException.class,

               new F(){void f(){ t.schedule(task, d); }});

    }

    void schedule(final Timer t, final TimerTask task, final Date d, final long period) {

        t.schedule(task, d, period);

        THROWS(IllegalStateException.class,

               new F(){void f(){ t.schedule(task, d, period); }});

    }

    void scheduleAtFixedRate(final Timer t, final TimerTask task, final Date d, final long period) {

        t.scheduleAtFixedRate(task, d, period);

        THROWS(IllegalStateException.class,

               new F(){void f(){ t.scheduleAtFixedRate(task, d, period); }});

    }

    TimerTask counter(final CountDownLatch latch) {

        return new TimerTask() { public void run() {

            check(latch.getCount() > 0);

            latch.countDown();

        }};

    }

    void test(String[] args) throws Throwable {

        final Timer t = new Timer();

        final TimerTask x = new TimerTask() { public void run() {}};

        THROWS(IllegalArgumentException.class,

               new F(){void f(){ t.schedule(x, -42); }},

               new F(){void f(){ t.schedule(x, new Date(-42)); }},

               new F(){void f(){ t.schedule(x, Long.MAX_VALUE); }},

               new F(){void f(){ t.schedule(x, -42, 42); }},

               new F(){void f(){ t.schedule(x, new Date(-42), 42); }},

               new F(){void f(){ t.schedule(x, Long.MAX_VALUE, 42); }},

               new F(){void f(){ t.schedule(x, 42, 0); }},

               new F(){void f(){ t.schedule(x, new Date(42), 0); }},

               new F(){void f(){ t.schedule(x, 42, -42); }},

               new F(){void f(){ t.schedule(x, new Date(42), -42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, -42, 42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, new Date(-42), 42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, Long.MAX_VALUE, 42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, 42, 0); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, new Date(42), 0); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, 42, -42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, new Date(42), -42); }}

               );

        THROWS(NullPointerException.class,

               new F(){void f(){ t.schedule(null, 42); }},

               new F(){void f(){ t.schedule(x, (Date)null); }},

               new F(){void f(){ t.schedule(null, 42, 42); }},

               new F(){void f(){ t.schedule(x, (Date)null, 42); }},

               new F(){void f(){ t.scheduleAtFixedRate(null, 42, 42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, (Date)null, 42); }}

               );

        final CountDownLatch y1 = new CountDownLatch(1);

        final CountDownLatch y2 = new CountDownLatch(1);

        final CountDownLatch y3 = new CountDownLatch(11);

        final long start = System.currentTimeMillis();

        final Date past = new Date(start - 10500);

        schedule(           t, counter(y1), past);

        schedule(           t, counter(y2), past, 1000);

        scheduleAtFixedRate(t, counter(y3), past, 1000);

        y3.await();

        y1.await();

        y2.await();

        final long elapsed = System.currentTimeMillis() - start;

        System.out.printf("elapsed=%d%n", elapsed);

        check(elapsed < 500);

        t.cancel();

        THROWS(IllegalStateException.class,

               new F(){void f(){ t.schedule(x, 42); }},

               new F(){void f(){ t.schedule(x, past); }},

               new F(){void f(){ t.schedule(x, 42, 42); }},

               new F(){void f(){ t.schedule(x, past, 42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, 42, 42); }},

               new F(){void f(){ t.scheduleAtFixedRate(x, past, 42); }});

    }

    //--------------------- 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 Args().instanceMain(args);}

    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");}

    abstract class F {abstract void f() throws Throwable;}

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

        for (F f : fs)

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

            catch (Throwable t) {

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

                else unexpected(t);}}

}