michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:    File Name:          number-002.js
michael@0:    Corresponds To:     ecma/Number/15.7.4.3-2-n.js
michael@0:    ECMA Section:       15.7.4.3.1 Number.prototype.valueOf()
michael@0:    Description:
michael@0:    Returns this number value.
michael@0: 
michael@0:    The valueOf function is not generic; it generates a runtime error if its
michael@0:    this value is not a Number object. Therefore it cannot be transferred to
michael@0:    other kinds of objects for use as a method.
michael@0: 
michael@0:    Author:             christine@netscape.com
michael@0:    Date:               16 september 1997
michael@0: */
michael@0: var SECTION = "number-002";
michael@0: var VERSION = "JS1_4";
michael@0: var TITLE   = "Exceptions for Number.valueOf()";
michael@0: 
michael@0: startTest();
michael@0: writeHeaderToLog( SECTION + " Number.prototype.valueOf()");
michael@0: 
michael@0: var result = "Failed";
michael@0: var exception = "No exception thrown";
michael@0: var expect = "Passed";
michael@0: 
michael@0: try {
michael@0:   object= new Object();
michael@0:   object.toString = Number.prototype.valueOf;
michael@0:   result = object.toString();
michael@0: } catch ( e ) {
michael@0:   result = expect;
michael@0:   exception = e.toString();
michael@0: }
michael@0: 
michael@0: new TestCase(
michael@0:   SECTION,
michael@0:   "object = new Object(); object.valueOf = Number.prototype.valueOf; object.valueOf()" +
michael@0:   " (threw " + exception +")",
michael@0:   expect,
michael@0:   result );
michael@0: 
michael@0: test();