public void NullAttributesCollection()
        {
            XmlAttributeTypeDescriptor   typeDescriptor = new XmlAttributeTypeDescriptor(null);
            PropertyDescriptorCollection properties     = typeDescriptor.GetProperties();

            Assert.AreEqual(0, properties.Count);
        }
        public void OneProperty()
        {
            PropertyDescriptorCollection properties = typeDescriptor.GetProperties();

            Assert.AreEqual(1, properties.Count);
        }