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/*

 * @test

 * @bug 6398290

 * @summary Check Executors/STPE Exception specifications

 * @author Martin Buchholz

 */

import java.io.*;

import java.util.*;

import java.util.concurrent.*;

import static java.util.concurrent.Executors.*;

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,

            new Fun(){void f(){ newFixedThreadPool(3, null); }},

            new Fun(){void f(){ newCachedThreadPool(null); }},

            new Fun(){void f(){ newSingleThreadScheduledExecutor(null); }},

            new Fun(){void f(){ newScheduledThreadPool(0, null); }},

            new Fun(){void f(){ unconfigurableExecutorService(null); }},

            new Fun(){void f(){ unconfigurableScheduledExecutorService(null); }},

            new Fun(){void f(){ callable(null, "foo"); }},

            new Fun(){void f(){ callable((Runnable) null); }},

            new Fun(){void f(){ callable((PrivilegedAction<?>) null); }},

            new Fun(){void f(){ callable((PrivilegedExceptionAction<?>) null); }},

            new Fun(){void f(){ privilegedCallable((Callable<?>) null); }},

            new Fun(){void f(){ new ScheduledThreadPoolExecutor(0, nullFactory); }},

            new Fun(){void f(){ new ScheduledThreadPoolExecutor(0, nullFactory, reh); }},

            new Fun(){void f(){ new ScheduledThreadPoolExecutor(0, fac, nullHandler); }});

        THROWS(

            IllegalArgumentException.class,

            new Fun(){void f(){ newFixedThreadPool(-42); }},

            new Fun(){void f(){ newFixedThreadPool(0)  ; }},

            new Fun(){void f(){ newFixedThreadPool(-42, fac); }},

            new Fun(){void f(){ newFixedThreadPool(0,   fac); }},

            new Fun(){void f(){ newScheduledThreadPool(-42); }},

            new Fun(){void f(){ new ScheduledThreadPoolExecutor(-42); }},

            new Fun(){void f(){ new ScheduledThreadPoolExecutor(-42, reh); }},

            new Fun(){void f(){ 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");}

    private abstract static class Fun {abstract 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);}}

}