/*

 * Copyright (c) 2015, 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.

 */

/**

 * JDK-8134609: Allow constructors with same prototoype map to share the allocator map

 *

 * @test

 * @run

 * @fork

 * @option -Dnashorn.debug

 */

function createProto(members) {

    function P() {

        for (var id in members) {

            if (members.hasOwnProperty(id)) {

                this[id] = members[id];

            }

        }

        return this;

    }

    return new P();

}

function createSubclass(prototype, members) {

    function C() {

        for (var id in members) {

            if (members.hasOwnProperty(id)) {

                this[id] = members[id];

            }

        }

        return this;

    }

    C.prototype = prototype;

    return new C();

}

function assertP1(object, value) {

    Assert.assertTrue(object.p1 === value);

}

// First prototype will have non-shared proto-map. Second and third will be shared.

var proto0 = createProto({p1: 0, p2: 1});

var proto1 = createProto({p1: 1, p2: 2});

var proto2 = createProto({p1: 2, p2: 3});

Assert.assertTrue(Debug.map(proto1) === Debug.map(proto2));

assertP1(proto1, 1);

assertP1(proto2, 2);

// First instantiation will have a non-shared prototype map, from the second one

// maps will be shared until a different proto map comes along.

var child0 = createSubclass(proto1, {c1: 1, c2: 2});

var child1 = createSubclass(proto2, {c1: 2, c2: 3});

var child2 = createSubclass(proto1, {c1: 3, c2: 4});

var child3 = createSubclass(proto2, {c1: 1, c2: 2});

var child4 = createSubclass(proto0, {c1: 3, c2: 2});

Assert.assertTrue(Debug.map(child1) === Debug.map(child2));

Assert.assertTrue(Debug.map(child1) === Debug.map(child3));

Assert.assertTrue(Debug.map(child3) !== Debug.map(child4));

assertP1(child1, 2);

assertP1(child2, 1);

assertP1(child3, 2);

assertP1(child4, 0);

Assert.assertTrue(delete proto2.p1);

assertP1(child3, undefined);

assertP1(child2, 1);

Assert.assertTrue(Debug.map(child1) !== Debug.map(child3));