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 * Check delete operator. 26 * 27 * @test 28 * @run 29 */ 30 31 var obj = { foo: 3, bar: "hello" }; 32 33 print("foo" in obj); 34 print(obj.foo); 35 print(delete obj.foo); 36 print("foo" in obj); 37 38 print("bar" in obj); 39 print(obj.bar); 40 print(delete obj["bar"]); 41 print("bar" in obj); 42 43 print(delete obj.junk); 44 print(delete obj["junk"]); 45 print(delete obj[2]); 46 47 x = 3; 48 print(delete x); 49 print("x" in this); 50 51 // deleting literals 52 print(delete 2); 53 print(delete "hello"); 54 print(delete true); 55 print(delete this); 56 57 function func() { 58 print(delete this); 59 } 60 61 var o = {}; 62 o.func = func; 63 o.func();