11.4.1-4.a-13.js (640B)
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: | 6 This test is actually testing the [[Delete]] internal method (8.12.8). Since the 7 language provides no way to directly exercise [[Delete]], the tests are placed here. 8 esid: sec-delete-operator-runtime-semantics-evaluation 9 description: delete operator returns false when deleting Array object 10 flags: [noStrict] 11 ---*/ 12 13 var a = [1, 2, 3]; 14 a.x = 10; 15 16 var d = delete a; 17 18 assert.sameValue(d, false, 'd'); 19 assert.sameValue(Array.isArray(a), true, 'Array.isArray(a)'); 20 21 reportCompare(0, 0);