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/* -*- 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
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
* Netscape Communication Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
gTestfile = 'instanceof-001.js';
/**
* File Name: instanceof-001.js
* ECMA Section: 11.8.6
* Description:
*
* RelationalExpression instanceof Identifier
*
* Author: christine@netscape.com
* Date: 2 September 1998
*/
var SECTION = "instanceof-001";
var VERSION = "ECMA_2";
var TITLE = "instanceof"
startTest();
writeHeaderToLog( SECTION + " "+ TITLE);
function InstanceOf( object_1, object_2, expect ) {
result = object_1 instanceof object_2;
new TestCase(
SECTION,
"(" + object_1 + ") instanceof " + object_2,
expect,
result );
}
function Gen3(value) {
this.value = value;
this.generation = 3;
this.toString = new Function ( "return \"(Gen\"+this.generation+\" instance)\"" );
}
Gen3.name = 3;
Gen3.__proto__.toString = new Function( "return \"(\"+this.name+\" object)\"");
function Gen2(value) {
this.value = value;
this.generation = 2;
}
Gen2.name = 2;
Gen2.prototype = new Gen3();
function Gen1(value) {
this.value = value;
this.generation = 1;
}
Gen1.name = 1;
Gen1.prototype = new Gen2();
function Gen0(value) {
this.value = value;
this.generation = 0;
}
Gen0.name = 0;
Gen0.prototype = new Gen1();
function GenA(value) {
this.value = value;
this.generation = "A";
this.toString = new Function ( "return \"(instance of Gen\"+this.generation+\")\"" );
}
GenA.prototype = new Gen0();
GenA.name = "A";
function GenB(value) {
this.value = value;
this.generation = "B";
this.toString = new Function ( "return \"(instance of Gen\"+this.generation+\")\"" );
}
GenB.name = "B"
GenB.prototype = void 0;
// RelationalExpression is not an object.
InstanceOf( true, Boolean, false );
InstanceOf( new Boolean(false), Boolean, true );
// __proto__ of RelationalExpression is null. should return false
genA = new GenA();
genA.__proto__ = null;
InstanceOf( genA, GenA, false );
// RelationalExpression.__proto__ == (but not ===) Identifier.prototype
InstanceOf( new Gen2(), Gen0, false );
InstanceOf( new Gen2(), Gen1, false );
InstanceOf( new Gen2(), Gen2, true );
InstanceOf( new Gen2(), Gen3, true );
// RelationalExpression.__proto__.__proto__ === Identifier.prototype
InstanceOf( new Gen0(), Gen0, true );
InstanceOf( new Gen0(), Gen1, true );
InstanceOf( new Gen0(), Gen2, true );
InstanceOf( new Gen0(), Gen3, true );
InstanceOf( new Gen0(), Object, true );
InstanceOf( new Gen0(), Function, false );
InstanceOf( Gen0, Function, true );
InstanceOf( Gen0, Object, true );
test();
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