| // Copyright 2011 Google Inc. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: | |
| A strict delete should either succeed, returning true, or it |
| should fail by throwing a TypeError. Under no circumstances |
| should a strict delete return false. |
| esid: sec-delete-operator-runtime-semantics-evaluation |
| description: > |
| See if a strict delete returns false when deleting a non-standard |
| property. |
| flags: [onlyStrict] |
| ---*/ |
| |
| var reNames = Object.getOwnPropertyNames(RegExp); |
| for (var i = 0, len = reNames.length; i < len; i++) { |
| var reName = reNames[i]; |
| if (reName !== 'prototype') { |
| var deleted = 'unassigned'; |
| try { |
| deleted = delete RegExp[reName]; |
| } catch (err) { |
| if (!(err instanceof TypeError)) { |
| $ERROR('#1: strict delete threw a non-TypeError: ' + err); |
| } |
| // fall through |
| } |
| if (deleted === false) { |
| $ERROR('#2: Strict delete returned false'); |
| } |
| } |
| } |
