pjs/js/tests/ecma_2/instanceof/instanceof-003.js

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JavaScript

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The Original Code is JavaScript Engine testing utilities.
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gTestfile = 'instanceof-003.js';
/**
File Name: instanceof-003.js
ECMA Section:
Description: http://bugzilla.mozilla.org/show_bug.cgi?id=7635
js> function Foo() {}
js> theproto = {};
[object Object]
js> Foo.prototype = theproto
[object Object]
js> theproto instanceof Foo
true
I think this should be 'false'
Author: christine@netscape.com
Date: 12 november 1997
Modified to conform to ECMA3
https://bugzilla.mozilla.org/show_bug.cgi?id=281606
*/
var SECTION = "instanceof-003";
var VERSION = "ECMA_2";
var TITLE = "instanceof operator";
var BUGNUMBER ="7635";
startTest();
function Foo() {};
theproto = {};
Foo.prototype = theproto;
AddTestCase(
"function Foo() = {}; theproto = {}; Foo.prototype = theproto; " +
"theproto instanceof Foo",
false,
theproto instanceof Foo );
var o = {};
// https://bugzilla.mozilla.org/show_bug.cgi?id=281606
try
{
AddTestCase(
"o = {}; o instanceof o",
"error",
o instanceof o );
}
catch(e)
{
AddTestCase(
"o = {}; o instanceof o",
"error",
"error" );
}
test();