1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/js/src/tests/test262/ch11/11.4/11.4.1/S11.4.1_A5.js Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,35 @@ 1.4 +// Copyright 2011 Google Inc. All rights reserved. 1.5 +// This code is governed by the BSD license found in the LICENSE file. 1.6 + 1.7 +/** 1.8 + * A strict delete should either succeed, returning true, or it 1.9 + * should fail by throwing a TypeError. Under no circumstances 1.10 + * should a strict delete return false. 1.11 + * 1.12 + * @path ch11/11.4/11.4.1/S11.4.1_A5.js 1.13 + * @description See if a strict delete returns false when deleting a 1.14 + * non-standard property. 1.15 + * @onlyStrict 1.16 + */ 1.17 + 1.18 +"use strict"; 1.19 + 1.20 +var reNames = Object.getOwnPropertyNames(RegExp); 1.21 +for (var i = 0, len = reNames.length; i < len; i++) { 1.22 + var reName = reNames[i]; 1.23 + if (reName !== 'prototype') { 1.24 + var deleted = 'unassigned'; 1.25 + try { 1.26 + deleted = delete RegExp[reName]; 1.27 + } catch (err) { 1.28 + if (!(err instanceof TypeError)) { 1.29 + $ERROR('#1: strict delete threw a non-TypeError: ' + err); 1.30 + } 1.31 + // fall through 1.32 + } 1.33 + if (deleted === false) { 1.34 + $ERROR('#2: Strict delete returned false'); 1.35 + } 1.36 + } 1.37 +} 1.38 +