public void IsValid()
{
DateTime?dateNullable = new DateTime(2018, 3, 4);
var attribute = new MustBeDateAttribute();
Assert.AreEqual(true, attribute.IsValid(DateTime.Today as DateTime?));
Assert.AreEqual(true, attribute.IsValid(null as DateTime?));
Assert.AreEqual(true, attribute.IsValid(DateTime.Today));
Assert.AreEqual(false, attribute.IsValid(DateTime.Now));
Assert.AreEqual(true, attribute.IsValid(null as DateTime?));
Assert.AreEqual(false, attribute.IsValid(DateTime.Now as DateTime?));
Assert.AreEqual(true, attribute.IsValid(dateNullable));
}
public void IsValidFail(object value)
{
var attribute = new MustBeDateAttribute();
try
{
attribute.IsValid(value);
Assert.Fail();
}
catch (ArgumentException ex)
{
Assert.AreEqual("Value must be of type DateTime.", ex.Message);
}
}
