1/* ***** BEGIN LICENSE BLOCK *****
2* Version: NPL 1.1/GPL 2.0/LGPL 2.1
3*
4* The contents of this file are subject to the Netscape Public License
5* Version 1.1 (the "License"); you may not use this file except in
6* compliance with the License. You may obtain a copy of the License at
7* http://www.mozilla.org/NPL/
8*
9* Software distributed under the License is distributed on an "AS IS" basis,
10* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11* for the specific language governing rights and limitations under the
12* License.
13*
14* The Original Code is JavaScript Engine testing utilities.
15*
16* The Initial Developer of the Original Code is Netscape Communications Corp.
17* Portions created by the Initial Developer are Copyright (C) 2002
18* the Initial Developer. All Rights Reserved.
19*
20* Contributor(s):  jim-patterson@ncf.ca, brendan@mozilla.org,
21*                  pschwartau@netscape.com
22*
23* Alternatively, the contents of this file may be used under the terms of
24* either the GNU General Public License Version 2 or later (the "GPL"), or
25* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
26* in which case the provisions of the GPL or the LGPL are applicable instead
27* of those above. If you wish to allow use of your version of this file only
28* under the terms of either the GPL or the LGPL, and not to allow others to
29* use your version of this file under the terms of the NPL, indicate your
30* decision by deleting the provisions above and replace them with the notice
31* and other provisions required by the GPL or the LGPL. If you do not delete
32* the provisions above, a recipient may use your version of this file under
33* the terms of any one of the NPL, the GPL or the LGPL.
34*
35* ***** END LICENSE BLOCK *****
36*
37*
38* Date:    18 Jun 2002
39* SUMMARY: Shouldn't crash when catch parameter is "hidden" by varX
40* See http://bugzilla.mozilla.org/show_bug.cgi?id=146596
41*
42*/
43//-----------------------------------------------------------------------------
44var UBound = 0;
45var bug = 146596;
46var summary = "Shouldn't crash when catch parameter is 'hidden' by varX";
47var status = '';
48var statusitems = [];
49var actual = '';
50var actualvalues = [];
51var expect= '';
52var expectedvalues = [];
53
54
55/*
56 * Just seeing we don't crash when executing this function -
57 * This example provided by jim-patterson@ncf.ca
58 *
59 * Brendan: "Jim, thanks for the testcase. But note that |var|
60 * in a JS function makes a function-scoped variable --  JS lacks
61 * block scope apart from for catch variables within catch blocks.
62 *
63 * Therefore the catch variable hides the function-local variable."
64 */
65function F()
66{
67  try
68  {
69    return "A simple exception";
70  }
71  catch(e)
72  {
73    var e = "Another exception";
74  }
75
76  return 'XYZ';
77}
78
79status = inSection(1);
80actual = F();
81expect = "A simple exception";
82addThis();
83
84
85
86/*
87 * Sanity check by Brendan: "This should output
88 *
89 *             24
90 *             42
91 *          undefined
92 *
93 * and throw no uncaught exception."
94 *
95 */
96function f(obj)
97{
98  var res = [];
99
100  try
101  {
102    throw 42;
103  }
104  catch(e)
105  {
106    with(obj)
107    {
108      var e;
109      res[0] = e; // |with| binds tighter than |catch|; s/b |obj.e|
110    }
111
112    res[1] = e;   // |catch| binds tighter than function scope; s/b 42
113  }
114
115  res[2] = e;     // |var e| has function scope; s/b visible but contain |undefined|
116  return res;
117}
118
119status = inSection(2);
120actual = f({e:24});
121expect = [24, 42, undefined];
122addThis();
123
124
125
126
127//-----------------------------------------------------------------------------
128test();
129//-----------------------------------------------------------------------------
130
131
132
133function addThis()
134{
135  statusitems[UBound] = status;
136  actualvalues[UBound] = actual.toString();
137  expectedvalues[UBound] = expect.toString();
138  UBound++;
139}
140
141
142function test()
143{
144  enterFunc('test');
145  printBugNumber(bug);
146  printStatus(summary);
147
148  for (var i=0; i<UBound; i++)
149  {
150    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
151  }
152
153  exitFunc ('test');
154}
155