The Tor Browser / file comparison
comparison: js/src/tests/js1_5/Regress/regress-146596.js
js/src/tests/js1_5/Regress/regress-146596.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:5324bc4b5381 |
|---|---|
| 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/. */ | |
| 5 | |
| 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 = []; | |
| 23 | |
| 24 | |
| 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 } | |
| 45 | |
| 46 return 'XYZ'; | |
| 47 } | |
| 48 | |
| 49 status = inSection(1); | |
| 50 actual = F(); | |
| 51 expect = "A simple exception"; | |
| 52 addThis(); | |
| 53 | |
| 54 | |
| 55 | |
| 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 = []; | |
| 69 | |
| 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 } | |
| 81 | |
| 82 res[1] = e; // |catch| binds tighter than function scope; s/b 42 | |
| 83 } | |
| 84 | |
| 85 res[2] = e; // |var e| has function scope; s/b visible but contain |undefined| | |
| 86 return res; | |
| 87 } | |
| 88 | |
| 89 status = inSection(2); | |
| 90 actual = f({e:24}); | |
| 91 expect = [24, 42, undefined]; | |
| 92 addThis(); | |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 //----------------------------------------------------------------------------- | |
| 98 test(); | |
| 99 //----------------------------------------------------------------------------- | |
| 100 | |
| 101 | |
| 102 | |
| 103 function addThis() | |
| 104 { | |
| 105 statusitems[UBound] = status; | |
| 106 actualvalues[UBound] = actual.toString(); | |
| 107 expectedvalues[UBound] = expect.toString(); | |
| 108 UBound++; | |
| 109 } | |
| 110 | |
| 111 | |
| 112 function test() | |
| 113 { | |
| 114 enterFunc('test'); | |
| 115 printBugNumber(BUGNUMBER); | |
| 116 printStatus(summary); | |
| 117 | |
| 118 for (var i=0; i<UBound; i++) | |
| 119 { | |
| 120 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); | |
| 121 } | |
| 122 | |
| 123 exitFunc ('test'); | |
| 124 } |
