public void Known_Date_Gives_Localized_DateTime_ShortDateString_On_ToString()
{
var someDateTime = new DateTime(1992, 4, 6);
var date = new UncertainDate(someDateTime, someDateTime);
Assert.That(date.ToString(), Is.EqualTo(someDateTime.ToShortDateString()));
}
public void Can_Be_Constructed_Without_Any_Info()
{
var date = new UncertainDate();
Assert.That(date.Day, Is.Null);
Assert.That(date.Month, Is.Null);
Assert.That(date.Year, Is.Null);
}
public void Is_Not_Completely_Unknown_If_Day_Is_Set()
{
var date = new UncertainDate {
Day = 12
};
Assert.That(date.IsCompletelyUnknown, Is.False);
}
public void Can_Be_Constructed_With_Only_Year_Known()
{
var date = new UncertainDate(1999);
Assert.That(date.Year, Is.Not.Null);
Assert.That(date.Year.Value, Is.EqualTo(1999));
Assert.That(date.Month, Is.Null);
Assert.That(date.Day, Is.Null);
}
public void Can_Be_Constructed_With_One_Year_Span()
{
var from = new DateTime(1999, 1, 1);
var until = new DateTime(1999, 12, 31);
var date = new UncertainDate(from, until);
Assert.That(date.Year, Is.Not.Null);
Assert.That(date.Year.Value, Is.EqualTo(1999));
Assert.That(date.Month, Is.Null);
Assert.That(date.Day, Is.Null);
}
public void Construct_From_Certain_Dates_Gives_Back_Certain_Dates()
{
var someDateTime = new DateTime(1780, 4, 20);
var uncertainDate = new UncertainDate(someDateTime, someDateTime);
var fromDate = uncertainDate.FromDate;
var toDate = uncertainDate.UntilDate;
Assert.That(someDateTime, Is.EqualTo(fromDate));
Assert.That(someDateTime, Is.EqualTo(toDate));
}
public void Can_Be_Constructed_With_Full_Date_Info()
{
var date = new UncertainDate(1999, 11, 23);
Assert.That(date.Year, Is.Not.Null);
Assert.That(date.Month, Is.Not.Null);
Assert.That(date.Day, Is.Not.Null);
Assert.That(date.Year.Value, Is.EqualTo(1999));
Assert.That(date.Month.Value, Is.EqualTo(11));
Assert.That(date.Day.Value, Is.EqualTo(23));
}
public void Uncertain_Date_With_Only_Year_Will_Give_Back_To_And_From_Spanning_One_Year()
{
const int year = 1950;
var uncertainDate = new UncertainDate(year, null, null);
var fromDate = uncertainDate.FromDate;
var toDate = uncertainDate.UntilDate;
Assert.That(fromDate.HasValue);
Assert.That(fromDate.Value.Year, Is.EqualTo(year));
Assert.That(fromDate.Value.Month, Is.EqualTo(1));
Assert.That(fromDate.Value.Day, Is.EqualTo(1));
Assert.That(toDate.HasValue);
Assert.That(toDate.Value.Year, Is.EqualTo(year));
Assert.That(toDate.Value.Month, Is.EqualTo(12));
Assert.That(toDate.Value.Day, Is.EqualTo(31));
}
public void Can_Create_Leap_Year_Uncertain_Date_For_February_Without_Day()
{
const int leapyear = 1600;
const int february = 2;
var uncertainDate = new UncertainDate(leapyear, february, null);
var fromDate = uncertainDate.FromDate;
var toDate = uncertainDate.UntilDate;
Assert.That(fromDate.HasValue);
Assert.That(fromDate.Value.Year, Is.EqualTo(leapyear));
Assert.That(fromDate.Value.Month, Is.EqualTo(february));
Assert.That(fromDate.Value.Day, Is.EqualTo(1));
Assert.That(toDate.HasValue);
Assert.That(toDate.Value.Year, Is.EqualTo(leapyear));
Assert.That(toDate.Value.Month, Is.EqualTo(february));
Assert.That(toDate.Value.Day, Is.EqualTo(29));
}
public void Only_Year_And_Month_Known_Gives_Localized_Monthname_Plus_Year_On_ToString()
{
var date = new UncertainDate(1998, 1);
Assert.That(date.ToString(), Is.EqualTo("January 1998"));
}
public void Only_Year_Known_Gives_Year_On_ToString()
{
var date = new UncertainDate(1998);
Assert.That(date.ToString(), Is.EqualTo("1998"));
}
public void Completely_Uncertain_Date_Gives_Question_Mark_On_ToString()
{
var date = new UncertainDate();
Assert.That(date.ToString(), Is.EqualTo("?"));
}
public void Is_Not_Completely_Unknown_If_Year_Is_Set()
{
var date = new UncertainDate(1990);
Assert.That(date.IsCompletelyUnknown, Is.False);
}
public void Is_Default_Completely_Unknown()
{
var date = new UncertainDate();
Assert.That(date.IsCompletelyUnknown, Is.True);
}
public void Null_Year_Is_Automatically_Uknown_UntilDate()
{
var date = new UncertainDate(null, 12, 25);
Assert.That(date.UntilDate, Is.Null);
}
