1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * JDK-8013874: Function argument's prototype seem cached and wrongly reused 26 * 27 * @test 28 * @run 29 */ 30 31 function deepEqual(actual, expected) { 32 print("deepEqual: " + (actual.prop === expected.prop) + ", prop: " + expected.prop); 33 } 34 35 var proto = {}; 36 var other = { 37 prop: 0 38 }; 39 40 function NameBuilder(first, last) { 41 this.first = first; 42 this.last = last; 43 return this; 44 } 45 46 NameBuilder.prototype = proto; 47 48 function NameBuilder2(first, last) { 49 this.first = first; 50 this.last = last; 51 return this; 52 } 53 54 NameBuilder2.prototype = proto; 55 56 var nb1 = new NameBuilder('Ryan', 'Dahl'); 57 var nb2 = new NameBuilder2('Ryan', 'Dahl'); 58 59 print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop)); 60 deepEqual(nb1, nb2); 61 62 NameBuilder2.prototype = other; 63 nb2 = new NameBuilder2('Ryan', 'Dahl'); 64 65 print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop)); 66 deepEqual(nb1, nb2);