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

99 lines
2.9 KiB
JavaScript

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
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* the License. You may obtain a copy of the License at
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*
* Software distributed under the License is distributed on an "AS IS" basis,
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* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
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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();