anchor.diff:    });
   }
   
  +
   void testIsFloat() {
     test({
       'validator': v.isFloat,
  
positive.code:     'invalid': ['Foo', 'bar', '']
    });
  }
  
  void testIsEmail() {
    test({
  
negative.code:   });
  }
  
  
  void testIsLowercase() {
    test({
      'validator': v.isLowercase,
  