| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-evaldeclarationinstantiation |
| description: Newly-created local binding may be deleted |
| info: | |
| [...] |
| 16. For each String vn in declaredVarNames, in list order do |
| a. If varEnvRec is a global Environment Record, then |
| [...] |
| b. Else, |
| i. Let bindingExists be varEnvRec.HasBinding(vn). |
| ii. If bindingExists is false, then |
| 1. Let status be ! varEnvRec.CreateMutableBinding(vn, true). |
| 2. Assert: status is not an abrupt completion because of |
| validation preceding step 12. |
| 3. Perform ! varEnvRec.InitializeBinding(vn, undefined). |
| [...] |
| flags: [noStrict] |
| ---*/ |
| |
| var initial = null; |
| var postDeletion; |
| |
| (function() { |
| eval('initial = x; delete x; postDeletion = function() { x; }; var x;'); |
| }()); |
| |
| assert.sameValue(initial, undefined); |
| assert.throws(ReferenceError, postDeletion); |