gecko/js/tests/ecma_2/Exceptions/boolean-001.js

43 lines
1.0 KiB
JavaScript

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/**
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: christine@netscape.com
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();