• file
• revisions
• annotate
• diff
• comparison
• raw

js/src/tests/js1_5/Scope/regress-181834.js@6474c204b198 (annotated)

js/src/tests/js1_5/Scope/regress-181834.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: 25 November 2002
michael@0	9	* SUMMARY: Testing scope
michael@0	10	* See http://bugzilla.mozilla.org/show_bug.cgi?id=181834
michael@0	11	*
michael@0	12	* This bug only bit in Rhino interpreted mode, when the
michael@0	13	* 'compile functions with dynamic scope' feature was set.
michael@0	14	*
michael@0	15	*/
michael@0	16	//-----------------------------------------------------------------------------
michael@0	17	var UBound = 0;
michael@0	18	var BUGNUMBER = 181834;
michael@0	19	var summary = 'Testing scope';
michael@0	20	var status = '';
michael@0	21	var statusitems = [];
michael@0	22	var actual = '';
michael@0	23	var actualvalues = [];
michael@0	24	var expect= '';
michael@0	25	var expectedvalues = [];
michael@0	26
michael@0	27
michael@0	28	/*
michael@0	29	* If N<=0, |outer_d| just gets incremented once,
michael@0	30	* so the return value should be 1 in this case.
michael@0	31	*
michael@0	32	* If N>0, we end up calling inner() N+1 times:
michael@0	33	* inner(N), inner(N-1), ... , inner(0).
michael@0	34	*
michael@0	35	* Each call to inner() increments |outer_d| by 1.
michael@0	36	* The last call, inner(0), returns the final value
michael@0	37	* of |outer_d|, which should be N+1.
michael@0	38	*/
michael@0	39	function outer(N)
michael@0	40	{
michael@0	41	var outer_d = 0;
michael@0	42	return inner(N);
michael@0	43
michael@0	44	function inner(level)
michael@0	45	{
michael@0	46	outer_d++;
michael@0	47
michael@0	48	if (level > 0)
michael@0	49	return inner(level - 1);
michael@0	50	else
michael@0	51	return outer_d;
michael@0	52	}
michael@0	53	}
michael@0	54
michael@0	55
michael@0	56	/*
michael@0	57	* This only has meaning in Rhino -
michael@0	58	*/
michael@0	59	setDynamicScope(true);
michael@0	60
michael@0	61	/*
michael@0	62	* Recompile the function |outer| via eval() in order to
michael@0	63	* feel the effect of the dynamic scope mode we have set.
michael@0	64	*/
michael@0	65	var s = outer.toString();
michael@0	66	eval(s);
michael@0	67
michael@0	68	status = inSection(1);
michael@0	69	actual = outer(-5);
michael@0	70	expect = 1;
michael@0	71	addThis();
michael@0	72
michael@0	73	status = inSection(2);
michael@0	74	actual = outer(0);
michael@0	75	expect = 1;
michael@0	76	addThis();
michael@0	77
michael@0	78	status = inSection(3);
michael@0	79	actual = outer(5);
michael@0	80	expect = 6;
michael@0	81	addThis();
michael@0	82
michael@0	83
michael@0	84	/*
michael@0	85	* Sanity check: do same steps with the dynamic flag off
michael@0	86	*/
michael@0	87	setDynamicScope(false);
michael@0	88
michael@0	89	/*
michael@0	90	* Recompile the function |outer| via eval() in order to
michael@0	91	* feel the effect of the dynamic scope mode we have set.
michael@0	92	*/
michael@0	93	eval(s);
michael@0	94
michael@0	95	status = inSection(4);
michael@0	96	actual = outer(-5);
michael@0	97	expect = 1;
michael@0	98	addThis();
michael@0	99
michael@0	100	status = inSection(5);
michael@0	101	actual = outer(0);
michael@0	102	expect = 1;
michael@0	103	addThis();
michael@0	104
michael@0	105	status = inSection(6);
michael@0	106	actual = outer(5);
michael@0	107	expect = 6;
michael@0	108	addThis();
michael@0	109
michael@0	110
michael@0	111
michael@0	112	//-----------------------------------------------------------------------------
michael@0	113	test();
michael@0	114	//-----------------------------------------------------------------------------
michael@0	115
michael@0	116
michael@0	117
michael@0	118	function setDynamicScope(flag)
michael@0	119	{
michael@0	120	if (this.Packages)
michael@0	121	{
michael@0	122	var cx = this.Packages.org.mozilla.javascript.Context.getCurrentContext();
michael@0	123	cx.setCompileFunctionsWithDynamicScope(flag);
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	}