date-expression

[Test]
public void TestFullExpression()
{
    string s = "13y4M23d5h10m43s";
    DateExpression dp = new DateExpression( s );

    Assert.That( dp.Years, Is.EqualTo( 13 ) );
    Assert.That( dp.Months, Is.EqualTo( 4 ) );
    Assert.That( dp.Days, Is.EqualTo( 23 ) );
    Assert.That( dp.Hours, Is.EqualTo( 5 ) );
    Assert.That( dp.Minutes, Is.EqualTo( 10 ) );
    Assert.That( dp.Seconds, Is.EqualTo( 43 ) );
}