public void IsHasAnEnding()
{
var period = new TemporalInstant
{
End = new TemporalPeriod()
};
Assert.NotNull(period.End);
}
public void IsHasABeginnging()
{
var period = new TemporalInstant
{
Begin = new TemporalPeriod()
};
Assert.NotNull(period.Begin);
}