jdk8-mips64-public/nashorn: test/script/basic/JDK-8134609.js@1df40fe54cd6 (annotated)

test/script/basic/JDK-8134609.js@1df40fe54cd6 (annotated)

test/script/basic/JDK-8134609.js

Tue, 21 Mar 2017 13:41:57 -0700

author: asaha
date: Tue, 21 Mar 2017 13:41:57 -0700
changeset 2160: 1df40fe54cd6
parent 1548: 898e2a08a252
permissions: -rw-r--r--

Merge

 /*
  * 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));