js/tests/js1_5/Scope/regress-77578-001.js

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  38
  39 /*
  40  * Date: 2001-07-11
  41  *
  42  * SUMMARY: Testing eval scope inside a function.
  43  * See http://bugzilla.mozilla.org/show_bug.cgi?id=77578
  44  */
  45 //-----------------------------------------------------------------------------
  46 var gTestfile = 'regress-77578-001.js';
  47 var UBound = 0;
  48 var BUGNUMBER = 77578;
  49 var summary = 'Testing eval scope inside a function';
  50 var cnEquals = '=';
  51 var status = '';
  52 var statusitems = [];
  53 var actual = '';
  54 var actualvalues = [];
  55 var expect= '';
  56 var expectedvalues = [];
  57
  58
  59 // various versions of JavaScript -
  60 var JS_VER = [100, 110, 120, 130, 140, 150];
  61
  62 // Note contrast with local variables i,j,k defined below -
  63 var i = 999;
  64 var j = 999;
  65 var k = 999;
  66
  67
  68 //--------------------------------------------------
  69 test();
  70 //--------------------------------------------------
  71
  72
  73 function test()
  74 {
  75   enterFunc ('test');
  76   printBugNumber(BUGNUMBER);
  77   printStatus (summary);
  78
  79   // Run tests A,B,C on each version of JS and store results
  80   for (var n=0; n!=JS_VER.length; n++)
  81   {
  82     testA(JS_VER[n]);
  83   }
  84   for (var n=0; n!=JS_VER.length; n++)
  85   {
  86     testB(JS_VER[n]);
  87   }
  88   for (var n=0; n!=JS_VER.length; n++)
  89   {
  90     testC(JS_VER[n]);
  91   }
  92
  93
  94   // Compare actual values to expected values -
  95   for (var i=0; i<UBound; i++)
  96   {
  97     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
  98   }
  99
 100   exitFunc ('test');
 101 }
 102
 103
 104 function testA(ver)
 105 {
 106   // Set the version of JS to test -
 107   if (typeof version == 'function')
 108   {
 109     version(ver);
 110   }
 111
 112   // eval the test, so it compiles AFTER version() has executed -
 113   var sTestScript = "";
 114
 115   // Define a local variable i
 116   sTestScript += "status = 'Section A of test; JS ' + ver/100;";
 117   sTestScript += "var i=1;";
 118   sTestScript += "actual = eval('i');";
 119   sTestScript += "expect = 1;";
 120   sTestScript += "captureThis('i');";
 121
 122   eval(sTestScript);
 123 }
 124
 125
 126 function testB(ver)
 127 {
 128   // Set the version of JS to test -
 129   if (typeof version == 'function')
 130   {
 131     version(ver);
 132   }
 133
 134   // eval the test, so it compiles AFTER version() has executed -
 135   var sTestScript = "";
 136
 137   // Define a local for-loop iterator j
 138   sTestScript += "status = 'Section B of test; JS ' + ver/100;";
 139   sTestScript += "for(var j=1; j<2; j++)";
 140   sTestScript += "{";
 141   sTestScript += "  actual = eval('j');";
 142   sTestScript += "};";
 143   sTestScript += "expect = 1;";
 144   sTestScript += "captureThis('j');";
 145
 146   eval(sTestScript);
 147 }
 148
 149
 150 function testC(ver)
 151 {
 152   // Set the version of JS to test -
 153   if (typeof version == 'function')
 154   {
 155     version(ver);
 156   }
 157
 158   // eval the test, so it compiles AFTER version() has executed -
 159   var sTestScript = "";
 160
 161   // Define a local variable k in a try-catch block -
 162   sTestScript += "status = 'Section C of test; JS ' + ver/100;";
 163   sTestScript += "try";
 164   sTestScript += "{";
 165   sTestScript += "  var k=1;";
 166   sTestScript += "  actual = eval('k');";
 167   sTestScript += "}";
 168   sTestScript += "catch(e)";
 169   sTestScript += "{";
 170   sTestScript += "};";
 171   sTestScript += "expect = 1;";
 172   sTestScript += "captureThis('k');";
 173
 174   eval(sTestScript);
 175 }
 176
 177
 178 function captureThis(varName)
 179 {
 180   statusitems[UBound] = status;
 181   actualvalues[UBound] = varName + cnEquals + actual;
 182   expectedvalues[UBound] = varName + cnEquals + expect;
 183   UBound++;
 184 }