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      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
      8 * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either expressed
      9 * or 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): jrgm (at) netscape.com, pschwartau (at) netscape.com
     20 * Date: 2001-07-11
     21 *
     22 * SUMMARY: Testing eval scope inside a function.
     23 * See http://bugzilla.mozilla.org/show_bug.cgi?id=77578
     24 */
     25 //-------------------------------------------------------------------------------------------------
     26 var UBound = 0;
     27 var bug = 77578;
     28 var summary = 'Testing eval scope inside a function';
     29 var cnEquals = '=';
     30 var status = '';
     31 var statusitems = [];
     32 var actual = '';
     33 var actualvalues = [];
     34 var expect= '';
     35 var expectedvalues = [];
     36 
     37 
     38 // various versions of JavaScript -
     39 var JS_VER = [100, 110, 120, 130, 140, 150];
     40 
     41 // Note contrast with local variables i,j,k defined below -
     42 var i = 999;
     43 var j = 999;
     44 var k = 999;
     45 
     46 
     47 //--------------------------------------------------
     48 test();
     49 //--------------------------------------------------
     50 
     51 
     52 function test()
     53 {
     54   enterFunc ('test');
     55   printBugNumber (bug);
     56   printStatus (summary);
     57 
     58   // Run tests A,B,C on each version of JS and store results
     59   for (var n=0; n!=JS_VER.length; n++)
     60   {
     61     testA(JS_VER[n]);
     62   }
     63   for (var n=0; n!=JS_VER.length; n++)
     64   {
     65     testB(JS_VER[n]);
     66   }
     67   for (var n=0; n!=JS_VER.length; n++)
     68   {
     69     testC(JS_VER[n]);
     70   }
     71 
     72 
     73   // Compare actual values to expected values -
     74   for (var i=0; i<UBound; i++)
     75   {
     76     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
     77   }
     78 
     79   exitFunc ('test');
     80 }
     81 
     82 
     83 function testA(ver)
     84 {
     85   // Set the version of JS to test -
     86   version(ver);
     87 
     88   // eval the test, so it compiles AFTER version() has executed -
     89   var sTestScript = "";
     90 
     91   // Define a local variable i
     92   sTestScript += "status = 'Section A of test; JS ' + ver/100;";
     93   sTestScript += "var i=1;";
     94   sTestScript += "actual = eval('i');";
     95   sTestScript += "expect = 1;";
     96   sTestScript += "captureThis('i');";
     97 
     98   eval(sTestScript);
     99 }
    100 
    101 
    102 function testB(ver)
    103 {
    104   // Set the version of JS to test -
    105   version(ver);
    106 
    107   // eval the test, so it compiles AFTER version() has executed -
    108   var sTestScript = "";
    109 
    110   // Define a local for-loop iterator j
    111   sTestScript += "status = 'Section B of test; JS ' + ver/100;";
    112   sTestScript += "for(var j=1; j<2; j++)";
    113   sTestScript += "{";
    114   sTestScript += "  actual = eval('j');";
    115   sTestScript += "};";
    116   sTestScript += "expect = 1;";
    117   sTestScript += "captureThis('j');";
    118 
    119   eval(sTestScript);
    120 }
    121 
    122 
    123 function testC(ver)
    124 {
    125   // Set the version of JS to test -
    126   version(ver);
    127 
    128   // eval the test, so it compiles AFTER version() has executed -
    129   var sTestScript = "";
    130 
    131   // Define a local variable k in a try-catch block -
    132   sTestScript += "status = 'Section C of test; JS ' + ver/100;";
    133   sTestScript += "try";
    134   sTestScript += "{";
    135   sTestScript += "  var k=1;";
    136   sTestScript += "  actual = eval('k');";
    137   sTestScript += "}";
    138   sTestScript += "catch(e)";
    139   sTestScript += "{";
    140   sTestScript += "};";
    141   sTestScript += "expect = 1;";
    142   sTestScript += "captureThis('k');";
    143 
    144   eval(sTestScript);
    145 }
    146 
    147 
    148 function captureThis(varName)
    149 {
    150   statusitems[UBound] = status;
    151   actualvalues[UBound] = varName + cnEquals + actual;
    152   expectedvalues[UBound] = varName + cnEquals + expect;
    153   UBound++;
    154 }
    155