public void LineSegment_ProjectOntoLine_ShouldReturnVectorProjection_IfVectorLengthIsNotZero()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1));
Line line = new Line(Point.MakePointWithInches(1, 0), Point.MakePointWithInches(2, 0));
Vector vector = new Vector(lineSegment.BasePoint, lineSegment.EndPoint);
lineSegment.ProjectOntoLine(line).Should().Be(new LineSegment(vector.ProjectOntoLine(line)));
}
public void LineSegment_ProjectOntoLine_ShouldThrowException_IfLineIsNull()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1));
Line line = null;
Action project = () => lineSegment.ProjectOntoLine(line);
project.ShouldThrow<Exception>();
}
public void LineSegment_ProjectOntoLine_ShouldReturnNull_IfVectorLengthIsZero()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1));
Line line = new Line(Point.MakePointWithInches(1, 0), Point.MakePointWithInches(0, 1));
lineSegment.ProjectOntoLine(line).Should().BeNull();
}
