js/src/tests/js1_5/Regress/regress-146596.js@6474c204b198
js/src/tests/js1_5/Regress/regress-146596.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.
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 /*
7 *
8 * Date: 18 Jun 2002
9 * SUMMARY: Shouldn't crash when catch parameter is "hidden" by varX
10 * See http://bugzilla.mozilla.org/show_bug.cgi?id=146596
11 *
12 */
13 //-----------------------------------------------------------------------------
14 var UBound = 0;
15 var BUGNUMBER = 146596;
16 var summary = "Shouldn't crash when catch parameter is 'hidden' by varX";
17 var status = '';
18 var statusitems = [];
19 var actual = '';
20 var actualvalues = [];
21 var expect= '';
22 var expectedvalues = [];
25 /*
26 * Just seeing we don't crash when executing this function -
27 * This example provided by jim-patterson@ncf.ca
28 *
29 * Brendan: "Jim, thanks for the testcase. But note that |var|
30 * in a JS function makes a function-scoped variable -- JS lacks
31 * block scope apart from for catch variables within catch blocks.
32 *
33 * Therefore the catch variable hides the function-local variable."
34 */
35 function F()
36 {
37 try
38 {
39 return "A simple exception";
40 }
41 catch(e)
42 {
43 var e = "Another exception";
44 }
46 return 'XYZ';
47 }
49 status = inSection(1);
50 actual = F();
51 expect = "A simple exception";
52 addThis();
56 /*
57 * Sanity check by Brendan: "This should output
58 *
59 * 24
60 * 42
61 * undefined
62 *
63 * and throw no uncaught exception."
64 *
65 */
66 function f(obj)
67 {
68 var res = [];
70 try
71 {
72 throw 42;
73 }
74 catch(e)
75 {
76 with(obj)
77 {
78 var e;
79 res[0] = e; // |with| binds tighter than |catch|; s/b |obj.e|
80 }
82 res[1] = e; // |catch| binds tighter than function scope; s/b 42
83 }
85 res[2] = e; // |var e| has function scope; s/b visible but contain |undefined|
86 return res;
87 }
89 status = inSection(2);
90 actual = f({e:24});
91 expect = [24, 42, undefined];
92 addThis();
97 //-----------------------------------------------------------------------------
98 test();
99 //-----------------------------------------------------------------------------
103 function addThis()
104 {
105 statusitems[UBound] = status;
106 actualvalues[UBound] = actual.toString();
107 expectedvalues[UBound] = expect.toString();
108 UBound++;
109 }
112 function test()
113 {
114 enterFunc('test');
115 printBugNumber(BUGNUMBER);
116 printStatus(summary);
118 for (var i=0; i<UBound; i++)
119 {
120 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
121 }
123 exitFunc ('test');
124 }
