Update tests and example to be case-agnostic

Author: matthewmorgan

exercises/word-count/example.js

@@ -7,7 +7,8 @@ Words.prototype.count = function (input) {
   var words = input.match(/\S+/g);
 
   words.forEach(function (word) {
-    counts[word] = counts.hasOwnProperty(word) ? counts[word] + 1 : 1;
+    var lcWord = word.toLowerCase();
+    counts[lcWord] = counts.hasOwnProperty(lcWord) ? counts[lcWord] + 1 : 1;
   });
 
   return counts;

exercises/word-count/word-count.spec.js

@@ -29,12 +29,12 @@ describe('count()', function() {
   });
 
   xit('respects case', function() {
-    var expectedCounts = { go: 1, Go:1, GO:1 };
+    var expectedCounts = { go: 3 };
     expect(words.count('go Go GO')).toEqual(expectedCounts);
   });
 
   xit('counts properly international characters', function() {
-    var expectedCounts = { '¡Hola!': 1, '¿Qué': 1, 'tal?': 1, 'Привет!': 1 };
+    var expectedCounts = { '¡hola!': 1, '¿qué': 1, 'tal?': 1, 'привет!': 1 };
     expect(words.count('¡Hola! ¿Qué tal? Привет!')).toEqual(expectedCounts);
   });
 
@@ -54,12 +54,12 @@ describe('count()', function() {
   });
 
   xit('does not count leading or trailing whitespace', function() {
-    var expectedCounts = { Introductory: 1, Course: 1 };
+    var expectedCounts = { introductory: 1, course: 1 };
     expect(words.count('\t\tIntroductory Course      ')).toEqual(expectedCounts);
   });
 
   xit('handles properties that exist on Object’s prototype', function() {
-    var expectedCounts = { reserved: 1, words : 1, like :1,  prototype: 1, and : 1, toString: 1,  'ok?': 1};
+    var expectedCounts = { reserved: 1, words : 1, like :1,  prototype: 1, and : 1, tostring: 1,  'ok?': 1};
     expect(words.count('reserved words like prototype and toString ok?')).toEqual(expectedCounts);
   });
 });