js/tests/js1_2/Array/splice1.js

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  38
  39 gTestfile = 'splice1.js';
  40
  41 /**
  42    Filename:     splice1.js
  43    Description:  'Tests Array.splice(x,y) w/no var args'
  44
  45    Author:       Nick Lerissa
  46    Date:         Fri Feb 13 09:58:28 PST 1998
  47 */
  48
  49 var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"';
  50 var VERSION = 'no version';
  51 var TITLE = 'String:splice 1';
  52 var BUGNUMBER="123795";
  53
  54 startTest();
  55 writeHeaderToLog('Executing script: splice1.js');
  56 writeHeaderToLog( SECTION + " "+ TITLE);
  57
  58 var a = ['a','test string',456,9.34,new String("string object"),[],['h','i','j','k']];
  59 var b = [1,2,3,4,5,6,7,8,9,0];
  60
  61 exhaustiveSpliceTest("exhaustive splice w/no optional args 1",a);
  62 exhaustiveSpliceTest("exhaustive splice w/no optional args 1",b);
  63
  64 test();
  65
  66
  67 function mySplice(testArray, splicedArray, first, len, elements)
  68 {
  69   var removedArray  = [];
  70   var adjustedFirst = first;
  71   var adjustedLen   = len;
  72
  73   if (adjustedFirst < 0) adjustedFirst = testArray.length + first;
  74   if (adjustedFirst < 0) adjustedFirst = 0;
  75
  76   if (adjustedLen < 0) adjustedLen = 0;
  77
  78   for (i = 0; (i < adjustedFirst)&&(i < testArray.length); ++i)
  79     splicedArray.push(testArray[i]);
  80
  81   if (adjustedFirst < testArray.length)
  82     for (i = adjustedFirst; (i < adjustedFirst + adjustedLen) &&
  83            (i < testArray.length); ++i)
  84     {
  85       removedArray.push(testArray[i]);
  86     }
  87
  88   for (i = 0; i < elements.length; i++) splicedArray.push(elements[i]);
  89
  90   for (i = adjustedFirst + adjustedLen; i < testArray.length; i++)
  91     splicedArray.push(testArray[i]);
  92
  93   return removedArray;
  94 }
  95
  96 function exhaustiveSpliceTest(testname, testArray)
  97 {
  98   var errorMessage;
  99   var passed = true;
 100   var reason = "";
 101
 102   for (var first = -(testArray.length+2); first <= 2 + testArray.length; first++)
 103   {
 104     var actualSpliced   = [];
 105     var expectedSpliced = [];
 106     var actualRemoved   = [];
 107     var expectedRemoved = [];
 108
 109     for (var len = 0; len < testArray.length + 2; len++)
 110     {
 111       actualSpliced   = [];
 112       expectedSpliced = [];
 113
 114       for (var i = 0; i < testArray.length; ++i)
 115         actualSpliced.push(testArray[i]);
 116
 117       actualRemoved   = actualSpliced.splice(first,len);
 118       expectedRemoved = mySplice(testArray,expectedSpliced,first,len,[]);
 119
 120       var adjustedFirst = first;
 121       if (adjustedFirst < 0) adjustedFirst = testArray.length + first;
 122       if (adjustedFirst < 0) adjustedFirst = 0;
 123
 124       if (  (String(actualSpliced) != String(expectedSpliced))
 125             ||(String(actualRemoved) != String(expectedRemoved)))
 126       {
 127         if (  (String(actualSpliced) == String(expectedSpliced))
 128               &&(String(actualRemoved) != String(expectedRemoved)) )
 129         {
 130           if ( (expectedRemoved.length == 1)
 131                &&(String(actualRemoved) == String(expectedRemoved[0]))) continue;
 132           if ( expectedRemoved.length == 0 && actualRemoved == void 0) continue;
 133         }
 134
 135         errorMessage =
 136           "ERROR: 'TEST FAILED'\n" +
 137           "             test: " + "a.splice(" + first + "," + len + ",-97,new String('test arg'),[],9.8)\n" +
 138           "                a: " + String(testArray) + "\n" +
 139           "   actual spliced: " + String(actualSpliced) + "\n" +
 140           " expected spliced: " + String(expectedSpliced) + "\n" +
 141           "   actual removed: " + String(actualRemoved) + "\n" +
 142           " expected removed: " + String(expectedRemoved) + "\n";
 143         writeHeaderToLog(errorMessage);
 144         reason = reason + errorMessage;
 145         passed = false;
 146       }
 147     }
 148   }
 149   var testcase = new TestCase( SECTION, testname, true, passed);
 150   if (!passed)
 151     testcase.reason = reason;
 152   return testcase;
 153 }