public void LineSegment_OverlappingSegment_ShouldThrowException_IfPassedSegmentIsNull()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(1, 1, 1));
LineSegment lineSegment2 = null;
Action intersection = () => lineSegment1.OverlappingSegment(lineSegment2);
intersection.ShouldThrow<Exception>();
}
public void LineSegment_OverlappingSegment_ShouldReturnNull_IfOnlyOneEndPointInCommon()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(1, 1, 1));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(2, 2, 2));
lineSegment1.OverlappingSegment(lineSegment2).Should().BeNull();
}
public void LineSegment_OverlappingSegment_ShouldReturnIntersection_IfBothInstancePointsAreOnInsideOfPassedSegment()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(2, 2, 2));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(3, 3, 3));
lineSegment1.OverlappingSegment(lineSegment2).Should().Be(new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(2, 2, 2)));
}
public void LineSegment_OverlappingSegment_ShouldReturnIntersection_IfPassedTwoEndPointsAreTheSame()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(3, 3, 3));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(2, 2, 2));
lineSegment1.OverlappingSegment(lineSegment2).Should().Be(new LineSegment(Point.MakePointWithInches(2, 2, 2)));
}
public void LineSegment_OverlappingSegment_ShouldReturnNull_IfOnlyInstanceEndPointIsOnPassedSegment()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(0, 2, 0), Point.MakePointWithInches(1, 1, 1));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(2, 2, 2));
lineSegment1.OverlappingSegment(lineSegment2).Should().BeNull();
}
