// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /** * The valueOf function is not generic; it throws a TypeError exception if its this value is not a String object. * Therefore, it cannot be transferred to other kinds of objects for use as a method * * @path ch15/15.5/15.5.4/S15.5.4.3_A2_T1.js * @description Checking if creating variable String.prototype.valueOf fails */ var __valueOf = String.prototype.valueOf; ////////////////////////////////////////////////////////////////////////////// //CHECK#1 if (typeof __valueOf !== "function") { $ERROR('#1: __valueOf = String.prototype.valueOf; typeof __valueOf === "function". Actual: typeof __valueOf ==='+typeof __valueOf ); } // ////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////// //CHECK#2 try { var x = __valueOf(); $FAIL('#2: "__valueOf = String.prototype.valueOf; var x = __valueOf()" lead to throwing exception'); } catch (e) { if (!(e instanceof TypeError)) { $ERROR('#2.1: Exception is instance of TypeError. Actual: exception is '+e); } } // //////////////////////////////////////////////////////////////////////////////