15.2.3.10-2.js (562B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 info: The effect of preventExtentions must be testable by calling isExtensible 6 es5id: 15.2.3.10-2 7 description: > 8 Object.preventExtensions returns its arguments after setting its 9 extensible property to false 10 ---*/ 11 12 var o = {}; 13 var o2 = undefined; 14 15 o2 = Object.preventExtensions(o); 16 17 assert.sameValue(o2, o, 'o2'); 18 assert.sameValue(Object.isExtensible(o2), false, 'Object.isExtensible(o2)'); 19 20 reportCompare(0, 0);