rhino1.7.7.testsrc.tests.ecma_2.Exceptions.boolean-001.js Maven / Gradle / Ivy

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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

gTestfile = 'boolean-001.js';

/**
   File Name:          boolean-001.js
   Description:        Corresponds to ecma/Boolean/15.6.4.2-4-n.js

   The toString function is not generic; it generates
   a runtime error if its this value is not a Boolean
   object.  Therefore it cannot be transferred to other
   kinds of objects for use as a method.

   Author:             [email protected]
   Date:               june 27, 1997
*/
var SECTION = "boolean-001.js";
var VERSION = "JS1_4";
var TITLE   = "Boolean.prototype.toString()";
startTest();
writeHeaderToLog( SECTION +" "+ TITLE );

var exception = "No exception thrown";
var result = "Failed";

var TO_STRING = Boolean.prototype.toString;

try {
  var s = new String("Not a Boolean");
  s.toString = TO_STRING;
  s.toString();
} catch ( e ) {
  result = "Passed!";
  exception = e.toString();
}

new TestCase(
  SECTION,
  "Assigning Boolean.prototype.toString to a String object "+
  "(threw " +exception +")",
  "Passed!",
  result );

test();