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js/src/tests/js1_5/Object/regress-192105.js@6474c204b198 (annotated)

js/src/tests/js1_5/Object/regress-192105.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	/*
michael@0	7	*
michael@0	8	* Date: 06 February 2003
michael@0	9	* SUMMARY: Using |instanceof| to check if function is called as a constructor
michael@0	10	*
michael@0	11	* See http://bugzilla.mozilla.org/show_bug.cgi?id=192105
michael@0	12	*
michael@0	13	*/
michael@0	14	//-----------------------------------------------------------------------------
michael@0	15	var UBound = 0;
michael@0	16	var BUGNUMBER = 192105;
michael@0	17	var summary = 'Using |instanceof| to check if f() is called as constructor';
michael@0	18	var status = '';
michael@0	19	var statusitems = [];
michael@0	20	var actual = '';
michael@0	21	var actualvalues = [];
michael@0	22	var expect= '';
michael@0	23	var expectedvalues = [];
michael@0	24
michael@0	25
michael@0	26	/*
michael@0	27	* This function is the heart of the test. It sets the result
michael@0	28	* variable |actual|, which we will compare against |expect|.
michael@0	29	*
michael@0	30	* Note |actual| will be set to |true| or |false| according
michael@0	31	* to whether or not this function is called as a constructor;
michael@0	32	* i.e. whether it is called via the |new| keyword or not -
michael@0	33	*/
michael@0	34	function f()
michael@0	35	{
michael@0	36	actual = (this instanceof f);
michael@0	37	}
michael@0	38
michael@0	39
michael@0	40	/*
michael@0	41	* Call f as a constructor from global scope
michael@0	42	*/
michael@0	43	status = inSection(1);
michael@0	44	new f(); // sets |actual|
michael@0	45	expect = true;
michael@0	46	addThis();
michael@0	47
michael@0	48	/*
michael@0	49	* Now, not as a constructor
michael@0	50	*/
michael@0	51	status = inSection(2);
michael@0	52	f(); // sets |actual|
michael@0	53	expect = false;
michael@0	54	addThis();
michael@0	55
michael@0	56
michael@0	57	/*
michael@0	58	* Call f as a constructor from function scope
michael@0	59	*/
michael@0	60	function F()
michael@0	61	{
michael@0	62	new f();
michael@0	63	}
michael@0	64	status = inSection(3);
michael@0	65	F(); // sets |actual|
michael@0	66	expect = true;
michael@0	67	addThis();
michael@0	68
michael@0	69	/*
michael@0	70	* Now, not as a constructor
michael@0	71	*/
michael@0	72	function G()
michael@0	73	{
michael@0	74	f();
michael@0	75	}
michael@0	76	status = inSection(4);
michael@0	77	G(); // sets |actual|
michael@0	78	expect = false;
michael@0	79	addThis();
michael@0	80
michael@0	81
michael@0	82	/*
michael@0	83	* Now make F() and G() methods of an object
michael@0	84	*/
michael@0	85	var obj = {F:F, G:G};
michael@0	86	status = inSection(5);
michael@0	87	obj.F(); // sets |actual|
michael@0	88	expect = true;
michael@0	89	addThis();
michael@0	90
michael@0	91	status = inSection(6);
michael@0	92	obj.G(); // sets |actual|
michael@0	93	expect = false;
michael@0	94	addThis();
michael@0	95
michael@0	96
michael@0	97	/*
michael@0	98	* Now call F() and G() from yet other functions, and use eval()
michael@0	99	*/
michael@0	100	function A()
michael@0	101	{
michael@0	102	eval('F();');
michael@0	103	}
michael@0	104	status = inSection(7);
michael@0	105	A(); // sets |actual|
michael@0	106	expect = true;
michael@0	107	addThis();
michael@0	108
michael@0	109
michael@0	110	function B()
michael@0	111	{
michael@0	112	eval('G();');
michael@0	113	}
michael@0	114	status = inSection(8);
michael@0	115	B(); // sets |actual|
michael@0	116	expect = false;
michael@0	117	addThis();
michael@0	118
michael@0	119
michael@0	120
michael@0	121
michael@0	122	//-----------------------------------------------------------------------------
michael@0	123	test();
michael@0	124	//-----------------------------------------------------------------------------
michael@0	125
michael@0	126
michael@0	127
michael@0	128	function addThis()
michael@0	129	{
michael@0	130	statusitems[UBound] = status;
michael@0	131	actualvalues[UBound] = actual;
michael@0	132	expectedvalues[UBound] = expect;
michael@0	133	UBound++;
michael@0	134	}
michael@0	135
michael@0	136
michael@0	137	function test()
michael@0	138	{
michael@0	139	enterFunc('test');
michael@0	140	printBugNumber(BUGNUMBER);
michael@0	141	printStatus(summary);
michael@0	142
michael@0	143	for (var i=0; i<UBound; i++)
michael@0	144	{
michael@0	145	reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
michael@0	146	}
michael@0	147
michael@0	148	exitFunc ('test');
michael@0	149	}