/*

 * Copyright (c) 2005, 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 6306829

 * @summary Verify assertions in get() javadocs

 * @author Martin Buchholz

 */

import java.io.*;

import java.util.*;

import java.util.concurrent.*;

import java.util.concurrent.atomic.*;

public class Get {

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

        testMap(new Hashtable<Character,Boolean>());

        testMap(new HashMap<Character,Boolean>());

        testMap(new IdentityHashMap<Character,Boolean>());

        testMap(new LinkedHashMap<Character,Boolean>());

        testMap(new ConcurrentHashMap<Character,Boolean>());

        testMap(new WeakHashMap<Character,Boolean>());

        testMap(new TreeMap<Character,Boolean>());

        testMap(new ConcurrentSkipListMap<Character,Boolean>());

    }

    private static void put(Map<Character,Boolean> m,

                            Character key, Boolean value,

                            Boolean oldValue) {

        if (oldValue != null) {

        }

        equal(m.put(key, value), oldValue);

        equal(m.get(key), value);

    }

    private static void testMap(Map<Character,Boolean> m) {

        // We verify following assertions in get(Object) method javadocs

        boolean permitsNullKeys = (! (m instanceof ConcurrentMap ||

                                      m instanceof Hashtable     ||

                                      m instanceof SortedMap));

        boolean permitsNullValues = (! (m instanceof ConcurrentMap ||

                                        m instanceof Hashtable));

        boolean usesIdentity = m instanceof IdentityHashMap;

        put(m, 'A', true,  null);

        put(m, 'A', false, true);       // Guaranteed identical by JLS

        put(m, 'B', true,  null);

        put(m, new Character('A'), false, usesIdentity ? null : false);

        if (permitsNullKeys) {

            try {

                put(m, null, true,  null);

                put(m, null, false, true);

            }

        } else {

            catch (NullPointerException e) {}

            catch (NullPointerException e) {}

        }

        if (permitsNullValues) {

            try {

                put(m, 'C', null, null);

                put(m, 'C', true, null);

                put(m, 'C', null, true);

            }

        } else {

            catch (NullPointerException e) {}

            catch (NullPointerException e) {}

        }

    }

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

    static volatile int passed = 0, failed = 0;

    static void pass() { passed++; }

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

    static void equal(Object x, Object 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);

    }

}