pjs/js/tests/ecma_2/Exceptions/string-002.js

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1.3 KiB
JavaScript

/**
File Name: string-002.js
Corresponds To: 15.5.4.3-3-n.js
ECMA Section: 15.5.4.3 String.prototype.valueOf()
Description: Returns this string value.
The valueOf function is not generic; it generates a
runtime error if its this value is not a String object.
Therefore it connot be transferred to the other kinds of
objects for use as a method.
Author: christine@netscape.com
Date: 1 october 1997
*/
var SECTION = "string-002";
var VERSION = "JS1_4";
var TITLE = "String.prototype.valueOf";
startTest();
writeHeaderToLog( SECTION + " "+ TITLE);
var tc = 0;
var testcases = new Array();
var result = "Failed";
var exception = "No exception thrown";
var expect = "Passed";
try {
var OBJECT =new Object();
OBJECT.valueOf = String.prototype.valueOf;
result = OBJECT.valueOf();
} catch ( e ) {
result = expect;
exception = e.toString();
}
testcases[tc++] = new TestCase(
SECTION,
"OBJECT = new Object; OBJECT.valueOf = String.prototype.valueOf;"+
"result = OBJECT.valueOf();" +
" (threw " + exception +")",
expect,
result );
test();