public void CtorPropertyNames()
		{
			var e = new IgnorePropertiesAttribute (new[] { "foo", "bar" });
			Assert.AreEqual (2, e.PropertyNames.Count);
			Assert.AreEqual ("foo", e.PropertyNames[0]);
			Assert.AreEqual ("bar", e.PropertyNames[1]);
		}
		public void CtorPropertyName()
		{
			var e = new IgnorePropertiesAttribute ("tag");
			Assert.AreEqual (1, e.PropertyNames.Count);
			Assert.AreEqual ("tag", e.PropertyNames.First());
		}