Test Javascript

  var output1 = "   \t\n\t\n \t\n\n\n";
  var output2 = "   \t \n\t\n \t\n\n\n";
  var output3 = "   \t\t\n\t\n \t\n\n\n";
  var output0 = "    \n\t\n \t\n\n\n";

var array = [];
array.push(whitespace(output1));
array.push(whitespace(output2));
array.push(whitespace(output3));
array.push(whitespace(output0));

Test.assertEquals(whitespace(output1), "1");
  Test.assertEquals(whitespace(output2), "2");
  Test.assertEquals(whitespace(output3), "3");
  Test.assertEquals(whitespace(output0), "0");



  var outputNegative1 = "  \t\t\n\t\n \t\n\n\n";
  var outputNegative2 = "  \t\t \n\t\n \t\n\n\n";
  var outputNegative3 = "  \t\t\t\n\t\n \t\n\n\n";

var array = [];
array.push(whitespace(outputNegative1));
array.push(whitespace(outputNegative2));
array.push(whitespace(outputNegative3));

  Test.assertEquals(whitespace(outputNegative1), "-1");
  Test.assertEquals(whitespace(outputNegative2), "-2");
  Test.assertEquals(whitespace(outputNegative3), "-3");



  var outputA = "   \t     \t\n\t\n  \n\n\n";
  var outputB = "   \t    \t \n\t\n  \n\n\n";
  var outputC = "   \t    \t\t\n\t\n  \n\n\n";

var array = [];
array.push(whitespace(outputA));
array.push(whitespace(outputB));
array.push(whitespace(outputC));

  Test.assertEquals(whitespace(outputA), "A");
  Test.assertEquals(whitespace(outputB), "B");
  Test.assertEquals(whitespace(outputC), "C");



  var outputA = "blahhhh   \targgggghhh     \t\n\t\n  \n\n\n";
  var outputB = " I heart \t  cats  \t \n\t\n  \n\n\n";
  var outputC = "   \t  welcome  \t\t\n\t\n to the\nnew\nworld\n";


var array = [];
array.push(whitespace(outputA));
array.push(whitespace(outputB));
array.push(whitespace(outputC));

  Test.assertEquals(whitespace(outputA), "A");
  Test.assertEquals(whitespace(outputB), "B");
  Test.assertEquals(whitespace(outputC), "C");



  var pushTwice = "   \t\t\n   \t\t\n\t\n \t\t\n \t\n\n\n";
  var duplicate = "   \t\t\n \n \t\n \t\t\n \t\n\n\n";
  var duplicateN1 = "   \t\n   \t \n   \t\t\n \t  \t \n\t\n \t\n\n\n";
  var duplicateN2 = "   \t\n   \t \n   \t\t\n \t  \t\n\t\n \t\n\n\n";
  var duplicateN3 = "   \t\n   \t \n   \t\t\n \t   \n\t\n \t\n\n\n";
  var swap = "   \t\t\n   \t \n \n\t\t\n \t\t\n \t\n\n\n";
  var discard = "   \t\t\n   \t \n \n\t \n\n\t\n \t\n\n\n";
  var slide = "   \t\t\n   \t \n   \t\n   \t  \n   \t\t \n   \t \t\n   \t\t\t\n \n\t \t\n \t\t\n\t\n \t\t\n \t\t\n \t\t\n \t\n\n\n";

var array = [];
array.push(whitespace(pushTwice));
array.push(whitespace(duplicate));
array.push(whitespace(duplicateN1));
array.push(whitespace(duplicateN2));
array.push(whitespace(duplicateN3));
array.push(whitespace(swap));
array.push(whitespace(discard));
array.push(whitespace(slide));


  Test.assertEquals(whitespace(pushTwice), "33");
  Test.assertEquals(whitespace(duplicate), "33");
  Test.assertEquals(whitespace(duplicateN1), "1");
  Test.assertEquals(whitespace(duplicateN2), "2");
  Test.assertEquals(whitespace(duplicateN3), "3");
  Test.assertEquals(whitespace(swap), "32");
  Test.assertEquals(whitespace(discard), "2");
  Test.assertEquals(whitespace(slide), "5123");