/*

 * 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

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 */

/*

 * 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 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

 * @bug 6950540

 * @summary Attempt to add a null throws NullPointerException

 */

import java.util.ArrayList;

import java.util.Comparator;

import java.util.PriorityQueue;

import java.util.SortedSet;

import java.util.TreeSet;

import java.util.concurrent.ArrayBlockingQueue;

import java.util.concurrent.LinkedBlockingDeque;

import java.util.concurrent.LinkedBlockingQueue;

import java.util.concurrent.PriorityBlockingQueue;

public class NoNulls {

    void test(String[] args) throws Throwable {

        final Comparator<String> nullTolerantComparator

            = new Comparator<>() {

            public int compare(String x, String y) {

                return (x == null ? -1 :

                        y == null ? 1 :

                        x.compareTo(y));

            }};

        final SortedSet<String> nullSortedSet

            = new TreeSet<>(nullTolerantComparator);

        nullSortedSet.add(null);

        final PriorityQueue<String> nullPriorityQueue

            = new PriorityQueue<>() {

            public Object[] toArray() { return new Object[] { null };}};

        final Collection<String> nullCollection = new ArrayList<>();

        nullCollection.add(null);

        THROWS(NullPointerException.class,

               new F() { void f() {

                   new PriorityQueue<String>(nullCollection);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>(nullCollection);

               }},

               new F() { void f() {

                   new ArrayBlockingQueue<String>(10, false, nullCollection);

               }},

               new F() { void f() {

                   new ArrayBlockingQueue<String>(10, true, nullCollection);

               }},

               new F() { void f() {

                   new LinkedBlockingQueue<String>(nullCollection);

               }},

               new F() { void f() {

                   new LinkedBlockingDeque<String>(nullCollection);

               }},

               new F() { void f() {

                   new PriorityQueue<String>((Collection<String>) nullPriorityQueue);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>((Collection<String>) nullPriorityQueue);

               }},

               new F() { void f() {

                   new PriorityQueue<String>(nullSortedSet);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>(nullSortedSet);

               }},

               new F() { void f() {

                   new PriorityQueue<String>((Collection<String>) nullSortedSet);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>((Collection<String>) nullSortedSet);

               }},

               new F() { void f() {

                   new PriorityQueue<String>(nullPriorityQueue);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>(nullPriorityQueue);

               }},

               new F() { void f() {

                   new PriorityQueue<String>().add(null);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>().add(null);

               }},

               new F() { void f() {

                   new ArrayBlockingQueue<String>(10, false).add(null);

               }},

               new F() { void f() {

                   new ArrayBlockingQueue<String>(10, true).add(null);

               }},

               new F() { void f() {

                   new LinkedBlockingQueue<String>().add(null);

               }},

               new F() { void f() {

                   new LinkedBlockingDeque<String>().add(null);

               }},

               new F() { void f() {

                   new PriorityQueue<String>().offer(null);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>().offer(null);

               }});

        nullSortedSet.add("foo");

        nullCollection.add("foo");

        THROWS(NullPointerException.class,

               new F() { void f() {

                   new PriorityQueue<String>(nullCollection);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>(nullCollection);

               }},

               new F() { void f() {

                   new PriorityQueue<String>((Collection<String>) nullPriorityQueue);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>((Collection<String>) nullPriorityQueue);

               }},

               new F() { void f() {

                   new PriorityQueue<String>(nullSortedSet);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>(nullSortedSet);

               }},

               new F() { void f() {

                   new PriorityQueue<String>((Collection<String>) nullSortedSet);

               }},

               new F() { void f() {

                   new PriorityBlockingQueue<String>((Collection<String>) nullSortedSet);

               }});

    }

    //--------------------- 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 NoNulls().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");}

    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);}}

}