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-8013729: SwitchPoint invalidation not working over prototype chain 26 * 27 * @test 28 * @run 29 */ 30 31 var a = {x: 1}; 32 var b = Object.create(a, {y: {value: 2, configurable: true, writable: true}}); 33 var c = Object.create(b); 34 var d = Object.create(c); 35 36 function p() { 37 print(d.x); 38 print(d.y); 39 } 40 41 p(); 42 43 // Delete, then redefine properties 44 delete a.x; 45 delete b.y; 46 a.x = 10; 47 b.y = 20; 48 49 p();