public void ToTimeInterval_Null_ThrowsException()
{
// Arrange
DateTimeInterval interval = null;
// Act
Action act = () => interval.ToTimeInterval();
// Assert
act.Should().Throw <ArgumentNullException>().And.Message.Should().Contain(nameof(interval));
}
public void ToTimeInterval_LongerThanADay_ThrowsException()
{
// Arrange
var startDateTime = Fixture.Create <LocalDateTime>();
var period = Period.FromDays(1) + Period.FromNanoseconds(1);
var interval = new DateTimeInterval(startDateTime, period);
// Act
Action act = () => interval.ToTimeInterval();
// Assert
act.Should().Throw <NotSupportedException>().And.Message.Should().Contain(nameof(interval));
}
public void ToTimeInterval_OneDayLongInterval_OneDayTimeInterval()
{
// Arrange
var startDateTime = Fixture.Create <LocalDateTime>();
var period = Period.FromDays(1);
var interval = new DateTimeInterval(startDateTime, period);
var time = startDateTime.TimeOfDay;
// Act
var timeInterval = interval.ToTimeInterval();
// Assert
timeInterval.Start.Should().Be(time);
timeInterval.End.Should().Be(time);
}
/// <summary>
/// Determines whether the time interval overlaps the date time interval.
/// </summary>
/// <param name="timeInterval">The time interval.</param>
/// <param name="dateTimeInterval">The date time interval.</param>
/// <returns><c>true</c> if the time interval overlaps the date time interval; <c>false</c>, otherwise.</returns>
/// <remarks>
/// This will always be <c>true</c> for date time intervals that are longer than a day.
/// </remarks>
/// <exception cref="System.ArgumentNullException">If <paramref name="timeInterval"/> or <paramref name="dateTimeInterval"/> is <c>null</c>.</exception>
public static bool Overlaps(this TimeInterval timeInterval, DateTimeInterval dateTimeInterval)
{
if (timeInterval == null)
{
throw new System.ArgumentNullException(nameof(timeInterval));
}
if (dateTimeInterval == null)
{
throw new System.ArgumentNullException(nameof(dateTimeInterval));
}
if (dateTimeInterval.IsSinglePointInterval())
{
return(timeInterval.Contains(dateTimeInterval.Start.TimeOfDay));
}
var maxEnd = dateTimeInterval.Start + Period.FromDays(1);
return(maxEnd < dateTimeInterval.End || dateTimeInterval.ToTimeInterval().Overlaps(timeInterval));
}
