public void TestValidBbPins()
 {
     var attr = new BbPinAttribute();
     Assert.IsTrue(attr.IsValid("223CEC0A"));
     Assert.IsTrue(attr.IsValid(null));
     Assert.IsTrue(attr.IsValid(String.Empty));
 }
 public void TestInvalidBbPins()
 {
     var attr = new BbPinAttribute();
     Assert.IsFalse(attr.IsValid("223CEC0"));
     Assert.IsFalse(attr.IsValid("223CEC0AA"));
     Assert.IsFalse(attr.IsValid(" "));
     Assert.IsFalse(attr.IsValid("\t"));
     Assert.IsFalse(attr.IsValid("\n"));
     Assert.IsFalse(attr.IsValid("\n \t"));
 }