public void ReturnsNullForEmptyString()
{
var sut = new OrdinalDateParser();
var result = sut.Parse(null);
Assert.IsFalse(result.HasValue);
}
public void ParsesValidOridnalDateString(string input, DateTime expectedResult)
{
var sut = new OrdinalDateParser();
var result = sut.Parse(input);
Assert.IsTrue(result.HasValue);
Assert.AreEqual(expectedResult, result.Value);
}
public void ThrowsExceptionWhenBadFormat()
{
var sut = new OrdinalDateParser();
Assert.Throws <ArgumentException>(() => sut.Parse("I really am a date"));
}
