| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: The String.prototype property has the attribute DontDelete |
| es5id: 15.5.3.1_A3 |
| description: Checking if deleting the String.prototype property fails |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| //CHECK#1 |
| if (!(String.hasOwnProperty('prototype'))) { |
| $ERROR('#1: String.hasOwnProperty(\'prototype\') return true. Actual: ' + String.hasOwnProperty('prototype')); |
| } |
| // |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| verifyNotConfigurable(String, "prototype"); |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| //CHECK#2 |
| try { |
| if ((delete String.prototype) !== false) { |
| $ERROR('#2: String.prototype has the attribute DontDelete'); |
| } |
| } catch (e) { |
| if (e instanceof Test262Error) throw e; |
| assert(e instanceof TypeError); |
| } |
| // |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| //CHECK#3 |
| if (!(String.hasOwnProperty('prototype'))) { |
| $ERROR('#3: delete String.prototype; String.hasOwnProperty(\'prototype\') return true. Actual: ' + String.hasOwnProperty('prototype')); |
| } |
| // |
| ////////////////////////////////////////////////////////////////////////////// |