Added test cases

exercises/word-count/.meta/src/reference/java/WordCount.java

 
     public Map<String, Integer> phrase( String input ) {
         Map<String, Integer> countMap = new HashMap<>();
-        input = input.trim().toLowerCase().replaceAll("[\\W]", " ");
+        input = input.trim().toLowerCase().replaceAll("([^A-Za-z0-9']|\\B'|'\\B)", " ");
         final String[] tokenizedInput = input.split("\\s+");
         for( String aWord : tokenizedInput ) {
             Integer count = countMap.get(aWord);

exercises/word-count/.meta/version

+1.1.0

exercises/word-count/src/test/java/WordCountTest.java

 
     @Ignore("Remove to run test")
     @Test
-    public void countOneOfEach() {
+    public void countOneOfEachWord() {
         expectedWordCount.put("one", 1);
         expectedWordCount.put("of", 1);
         expectedWordCount.put("each", 1);
 
     @Ignore("Remove to run test")
     @Test
-    public void countMultipleOccurrences() {
+    public void multipleOccurrencesOfAWord() {
         expectedWordCount.put("one", 1);
         expectedWordCount.put("fish", 4);
         expectedWordCount.put("two", 1);
             expectedWordCount, actualWordCount
         );
     }
+    
+    @Ignore("Remove to run test")
+    @Test
+    public void handlesCrampedLists() {
+        expectedWordCount.put("one", 1);
+        expectedWordCount.put("two", 1);
+        expectedWordCount.put("three", 1);
+
+        actualWordCount = wordCount.phrase("one,two,three");
+        assertEquals(
+            expectedWordCount, actualWordCount
+        );
+    }
+    
+    @Ignore("Remove to run test")
+    @Test
+    public void handlesExpandedLists() {
+        expectedWordCount.put("one", 1);
+        expectedWordCount.put("two", 1);
+        expectedWordCount.put("three", 1);
+
+        actualWordCount = wordCount.phrase("one,\ntwo,\nthree");
+        assertEquals(
+            expectedWordCount, actualWordCount
+        );
+    }
 
     @Ignore("Remove to run test")
     @Test
     @Test
     public void normalizeCase() {
         expectedWordCount.put("go", 3);
+        expectedWordCount.put("stop", 2);
+
+        actualWordCount = wordCount.phrase("go Go GO Stop stop");
+        assertEquals(
+            expectedWordCount, actualWordCount
+        );
+    }
+    
+    @Ignore("Remove to run test")
+    @Test
+    public void withApostrophes() {
+        expectedWordCount.put("first", 1);
+        expectedWordCount.put("don't", 2);
+        expectedWordCount.put("laugh", 1);
+        expectedWordCount.put("then", 1);
+        expectedWordCount.put("cry", 1);
+
+        actualWordCount = wordCount.phrase("First: don't laugh. Then: don't cry.");
+        assertEquals(
+            expectedWordCount, actualWordCount
+        );
+    }
+    
+    @Ignore("Remove to run test")
+    @Test
+    public void withQuotations() {
+        expectedWordCount.put("joe", 1);
+        expectedWordCount.put("can't", 1);
+        expectedWordCount.put("tell", 1);
+        expectedWordCount.put("between", 1);
+        expectedWordCount.put("large", 2);
+        expectedWordCount.put("and", 1);
+
+        actualWordCount = wordCount.phrase("Joe can't tell between 'large' and large.");
+        assertEquals(
+            expectedWordCount, actualWordCount
+        );
+    }
+    
+    @Ignore("Remove to run test")
+    @Test
+    public void multipleSpacesNotDetectedAsAWord() {
+        expectedWordCount.put("multiple", 1);
+        expectedWordCount.put("whitespaces", 1);
 
-        actualWordCount = wordCount.phrase("go Go GO");
+        actualWordCount = wordCount.phrase(" multiple   whitespaces");
         assertEquals(
             expectedWordCount, actualWordCount
         );