# Check we cant create a user with an invalid e-mail address
    u = User.new
    u.password = u.password_confirmation = "Dummy001"

    # Invalid e-mail addresses
    invalid = [ "example",                                    # No @ or domain
                "example@",                                   # No domain
                "example@example",                            # No dot or TLD
                "example@example.",                           # No TLD
                "@example.com",                               # No user name
                "123@123.123",                                # No TLD ends in numbers
                ("a"*30) + "@" + ("b"*66) + ".com",           # Too long - 101 Characters
                "ab@cd.com",                                  # Too short - 9 Characters
                "example@@example.com",                       # Two @'s
                "example@!!!.com",                            # Invalid characters
                "!!!@example.com",                            # Invalid characters
                "example@example.!!!" ]                       # Invalid characters
    invalid.each do |s|
      u.email = s
      assert !u.save, "Save succeeded on: " + s
      assert u.errors.invalid?("email"), "Incorrect field was invalid on: " + s