public void IsValidFail(object value)
{
var attribute = new MustBeValidDateAttribute();
try
{
attribute.IsValid(value);
Assert.Fail();
}
catch (ArgumentException ex)
{
Assert.AreEqual("Value must be of type String.", ex.Message);
}
}
public void IsValid()
{
var attribute = new MustBeValidDateAttribute();
Assert.AreEqual(true, attribute.IsValid(null));
Assert.AreEqual(true, attribute.IsValid(DBNull.Value));
Assert.AreEqual(false, attribute.IsValid(string.Empty));
Assert.AreEqual(true, attribute.IsValid("1.1.2018"));
attribute.DateFormat = "dd.MM.yyyy";
Assert.AreEqual(true, attribute.IsValid("31.01.2018"));
Assert.AreEqual(false, attribute.IsValid("31/01/2018"));
attribute.DateFormat = "yyyyMMdd";
Assert.AreEqual(true, attribute.IsValid("20180131"));
Assert.AreEqual(false, attribute.IsValid("201801311"));
}