| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: | |
| This test is actually testing the [[Delete]] internal method (8.12.8). Since the |
| language provides no way to directly exercise [[Delete]], the tests are placed here. |
| esid: sec-delete-operator-runtime-semantics-evaluation |
| description: delete operator returns true when deleting Array expandos |
| ---*/ |
| |
| var a = [1, 2, 3]; |
| a.x = 10; |
| var d = delete a.x; |
| |
| assert.sameValue(d, true, 'd'); |
| assert.sameValue(a.x, undefined, 'a.x'); |
