diff -r 12a395b571c8 -r fd3a354d6e8f rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/tck/CharacterTest.java
--- a/rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/tck/CharacterTest.java	Tue Oct 22 19:33:09 2013 +0200
+++ b/rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/tck/CharacterTest.java	Sun Nov 09 10:36:08 2014 +0100
@@ -41,7 +41,17 @@
     @Compare public boolean numberJavaPart() {
         return Character.isJavaIdentifierPart('3');
     }
-    
+
+    @Compare public String testWhiteSpaces() {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 1; i < 128; i++) {
+            char ch = (char)i;
+            if (Character.isWhitespace(ch)) {
+                sb.append(i).append(",");
+            }
+        }
+        return sb.toString();
+    }
     
     @Factory
     public static Object[] create() {