tests/mozilla/ecma_3/Function/regress-85880.js

   1 /*
   2 * The contents of this file are subject to the Netscape Public
   3 * License Version 1.1 (the "License"); you may not use this file
   4 * except in compliance with the License. You may obtain a copy of
   5 * the License at http://www.mozilla.org/NPL/
   6 *
   7 * Software distributed under the License is distributed on an "AS
   8 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
   9 * implied. See the License for the specific language governing
  10 * rights and limitations under the License.
  11 *
  12 * The Original Code is mozilla.org code.
  13 *
  14 * The Initial Developer of the Original Code is Netscape
  15 * Communications Corporation.  Portions created by Netscape are
  16 * Copyright (C) 1998 Netscape Communications Corporation.
  17 * All Rights Reserved.
  18 *
  19 * Contributor(s): pschwartau@netscape.com
  20 * Date: 2001-06-14
  21 *
  22 * SUMMARY: Regression test for Bugzilla bug 85880
  23 *
  24 * Rhino interpreted mode was nulling out the arguments object of a
  25 * function if it happened to call another function inside its body.
  26 *
  27 * See http://bugzilla.mozilla.org/show_bug.cgi?id=85880
  28 *
  29 */
  30 //-------------------------------------------------------------------------------------------------
  31 var UBound = 0;
  32 var bug = 85880;
  33 var summary = 'Arguments object of g(){f()} should not be null';
  34 var cnNonNull = 'Arguments != null';
  35 var cnNull = 'Arguments == null';
  36 var cnRecurse = true;
  37 var status = '';
  38 var statusitems = [];
  39 var actual = '';
  40 var actualvalues = [];
  41 var expect= '';
  42 var expectedvalues = [];
  43
  44
  45 function f1(x)
  46 {
  47 }
  48
  49
  50 function f2()
  51 {
  52   return f2.arguments;
  53 }
  54 status = 'Section A of test';
  55 actual = (f2() == null);
  56 expect = false;
  57 addThis();
  58
  59 status = 'Section B of test';
  60 actual = (f2(0) == null);
  61 expect = false;
  62 addThis();
  63
  64
  65 function f3()
  66 {
  67   f1();
  68   return f3.arguments;
  69 }
  70 status = 'Section C of test';
  71 actual = (f3() == null);
  72 expect = false;
  73 addThis();
  74
  75 status = 'Section D of test';
  76 actual = (f3(0) == null);
  77 expect = false;
  78 addThis();
  79
  80
  81 function f4()
  82 {
  83   f1();
  84   f2();
  85   f3();
  86   return f4.arguments;
  87 }
  88 status = 'Section E of test';
  89 actual = (f4() == null);
  90 expect = false;
  91 addThis();
  92
  93 status = 'Section F of test';
  94 actual = (f4(0) == null);
  95 expect = false;
  96 addThis();
  97
  98
  99 function f5()
 100 {
 101   if (cnRecurse)
 102   {
 103     cnRecurse = false;
 104     f5();
 105   }
 106   return f5.arguments;
 107 }
 108 status = 'Section G of test';
 109 actual = (f5() == null);
 110 expect = false;
 111 addThis();
 112
 113 status = 'Section H of test';
 114 actual = (f5(0) == null);
 115 expect = false;
 116 addThis();
 117
 118
 119
 120 //-------------------------------------------------------------------------------------------------
 121 test();
 122 //-------------------------------------------------------------------------------------------------
 123
 124
 125 function addThis()
 126 {
 127   statusitems[UBound] = status;
 128   actualvalues[UBound] = isThisNull(actual);
 129   expectedvalues[UBound] = isThisNull(expect);
 130   UBound++;
 131 }
 132
 133
 134 function test()
 135 {
 136   enterFunc ('test');
 137   printBugNumber (bug);
 138   printStatus (summary);
 139
 140   for (var i = 0; i < UBound; i++)
 141   {
 142     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
 143   }
 144
 145   exitFunc ('test');
 146 }
 147
 148
 149 function isThisNull(bool)
 150 {
 151   return bool? cnNull : cnNonNull
 152 }