| // 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 false when deleting the declaration of the environment object |
| inside 'with' |
| flags: [noStrict] |
| ---*/ |
| |
| var o = new Object(); |
| o.x = 1; |
| var d; |
| with(o) { |
| d = delete o; |
| } |
| |
| assert.sameValue(d, false, 'd'); |
| assert.sameValue(typeof o, 'object', 'typeof(o)'); |
| assert.sameValue(o.x, 1, 'o.x'); |
