Source code

Revision control

Copy as Markdown

Other Tools

// 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');
reportCompare(0, 0);