public void Overlap_NullFirst_ThrowsException()
{
// Arrange
DateTimeInterval first = null;
var second = Fixture.Create <DateTimeInterval>();
// Act
Action act = () => first.GetOverlapWith(second);
// Assert
act.Should().Throw <ArgumentNullException>().WithMessage("Value cannot be null.\r\nParameter name: first");
}
public void Overlap_Meets_Null()
{
// Arrange
var(first, dateTime) = Fixture.Create <DateTimeInterval, LocalDateTime>((x, y) => x.End < y);
var second = new DateTimeInterval(first.End, dateTime);
// Act
var overlap = first.GetOverlapWith(second);
var overlapInverted = second.GetOverlapWith(first);
// Assert
overlap.Should().BeNull();
overlapInverted.Should().BeNull();
}
public void Overlap_Finishes_FinishingInterval()
{
// Arrange
var(dateTime, first) = Fixture.Create <LocalDateTime, DateTimeInterval>((d, i) => d < i.Start);
var second = new DateTimeInterval(dateTime, first.End);
// Act
var overlap = first.GetOverlapWith(second);
var overlapInverted = second.GetOverlapWith(first);
// Assert
overlap.Should().Be(first);
overlapInverted.Should().Be(first);
ReferenceEquals(overlap, first).Should().BeFalse();
ReferenceEquals(overlapInverted, first).Should().BeFalse();
}
public void Overlap_Starts_StartingInterval()
{
// Arrange
var(first, dateTime) = Fixture.Create <DateTimeInterval, LocalDateTime>((x, y) => x.End < y);
var second = new DateTimeInterval(first.Start, dateTime);
// Act
var overlap = first.GetOverlapWith(second);
var overlapInverted = second.GetOverlapWith(first);
// Assert
overlap.Should().Be(first);
overlapInverted.Should().Be(first);
ReferenceEquals(overlap, first).Should().BeFalse();
ReferenceEquals(overlapInverted, first).Should().BeFalse();
}
public static DateTimeInterval Overlap(this DateTimeInterval first, DateTimeInterval second) => first.GetOverlapWith(second);
