public void LineSegment_GetInitialDirection_ShouldReturnDirection()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
Direction direction = new Direction(1, 1, 1);
lineSegment.InitialDirection.Should().Be(direction);
}
public void RightTriangle_LineSegmentConstructorTest()
{
// Build right triangle with line segments
LineSegment rt_sideOne = new LineSegment(Point.MakePointWithInches(2, 1), Point.MakePointWithInches(4, 1));
LineSegment rt_sideTwo = new LineSegment(Point.MakePointWithInches(2, 1), Point.MakePointWithInches(2, 4));
LineSegment rt_sideThree = new LineSegment(Point.MakePointWithInches(2, 4), Point.MakePointWithInches(4, 1));
List<LineSegment> rt_sides = new List<LineSegment>() { rt_sideOne, rt_sideTwo, rt_sideThree };
RightTriangle rt = new RightTriangle(rt_sides);
}
public void LineSegment_GetEndPoints_ShouldListOfEndPoints()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
List<Point> pointList = new List<Point>();
pointList.Add(Point.Origin);
pointList.Add(Point.MakePointWithInches(1, 1, 1));
lineSegment.EndPoints.Should().Equal(pointList);
}
public void RightTriangle_HypotenuseTest()
{
LineSegment rt_sideOne = new LineSegment(Point.MakePointWithInches(2, 1), Point.MakePointWithInches(4, 1));
LineSegment rt_sideTwo = new LineSegment(Point.MakePointWithInches(2, 1), Point.MakePointWithInches(2, 4));
LineSegment rt_sideThree = new LineSegment(Point.MakePointWithInches(2, 4), Point.MakePointWithInches(4, 1));
List<LineSegment> rt_sides = new List<LineSegment>() { rt_sideOne, rt_sideTwo, rt_sideThree };
RightTriangle rt = new RightTriangle(rt_sides);
(rt.Hypotenuse == rt_sideThree).Should().BeTrue();
}
public void RightTriangle_AreaTest()
{
LineSegment rt_sideOne = new LineSegment(Point.MakePointWithInches(2, 1), Point.MakePointWithInches(4, 1));
LineSegment rt_sideTwo = new LineSegment(Point.MakePointWithInches(2, 1), Point.MakePointWithInches(2, 4));
LineSegment rt_sideThree = new LineSegment(Point.MakePointWithInches(2, 4), Point.MakePointWithInches(4, 1));
List<LineSegment> rt_sides = new List<LineSegment>() { rt_sideOne, rt_sideTwo, rt_sideThree };
RightTriangle rt = new RightTriangle(rt_sides);
(rt.Area == new Area(new SquareInch(), 3)).Should().BeTrue();
}
public void LineSegmentList_SortSegments()
{
LineSegment segment1 = new LineSegment(MakePointWithInches(0, 1, 0), MakePointWithInches(0, 4, 2));
LineSegment segment2 = new LineSegment(MakePointWithInches(0, 1, 0), MakePointWithInches(3, 1, 0));
LineSegment segment3 = new LineSegment(MakePointWithInches(0, 4, 2), MakePointWithInches(3, 4, 2));
LineSegment segment4 = new LineSegment(MakePointWithInches(3, 1, 0), MakePointWithInches(3, 4, 2));
List<LineSegment> lineSegments = new List<LineSegment>() { segment1, segment2, segment3, segment4 };
List<LineSegment> sorted = lineSegments.FixSegmentOrientation();
(sorted[0] == segment1).Should().BeTrue();
(sorted[1] == segment3).Should().BeTrue();
(sorted[2] == new LineSegment(MakePointWithInches(3, 4, 2), MakePointWithInches(3, 1, 0))).Should().BeTrue();
(sorted[3] == new LineSegment(MakePointWithInches(3, 1, 0), MakePointWithInches(0, 1, 0))).Should().BeTrue();
}
public void Polygon_Extrude()
{
Point basePoint = Point.Origin;
Point topLeftPoint = Point.MakePointWithInches(0, 4, 0);
Point bottomRightPoint = Point.MakePointWithInches(8, 0, 0);
Point topRightPoint = Point.MakePointWithInches(8, 4, 0);
Point backbasepoint = Point.MakePointWithInches(0, 0, -4);
Point backtopleftpoint = Point.MakePointWithInches(0, 4, -4);
Point backbottomrightpoint = Point.MakePointWithInches(8, 0, -4);
Point backtoprightpoint = Point.MakePointWithInches(8, 4, -4);
LineSegment left = new LineSegment(basePoint, topLeftPoint);
LineSegment right = new LineSegment(bottomRightPoint, topRightPoint);
LineSegment top = new LineSegment(topLeftPoint, topRightPoint);
LineSegment bottom = new LineSegment(basePoint, bottomRightPoint);
LineSegment backLeft = new LineSegment(backbasepoint, backtopleftpoint);
LineSegment backRight = new LineSegment(backbottomrightpoint, backtoprightpoint);
LineSegment backTop = new LineSegment(backtopleftpoint, backtoprightpoint);
LineSegment backBottom = new LineSegment(backbasepoint, backbottomrightpoint);
LineSegment topleftConnector = new LineSegment(topLeftPoint, backtopleftpoint);
LineSegment toprightConnector = new LineSegment(topRightPoint, backtoprightpoint);
LineSegment baseConnector = new LineSegment(basePoint, backbasepoint);
LineSegment bottomRightConnector = new LineSegment(bottomRightPoint, backbottomrightpoint);
Polygon frontRegion = new Polygon(new List<LineSegment> { left, top, bottom, right });
Polygon backRegion = new Polygon(new List<LineSegment> { backLeft, backRight, backTop, backBottom });
Polygon topRegion = new Polygon(new List<LineSegment> { top, backTop, topleftConnector, toprightConnector });
Polygon bottomRegion = new Polygon(new List<LineSegment> { bottom, backBottom, baseConnector, bottomRightConnector });
Polygon leftRegion = new Polygon(new List<LineSegment> { left, backLeft, baseConnector, topleftConnector });
Polygon rightRegion = new Polygon(new List<LineSegment> { right, backRight, toprightConnector, bottomRightConnector });
Polyhedron extrudedResult = frontRegion.Extrude(new Vector(Point.MakePointWithInches(0, 0, -4)));
extrudedResult.Polygons.Contains(frontRegion).Should().BeTrue();
extrudedResult.Polygons.Contains(backRegion).Should().BeTrue();
extrudedResult.Polygons.Contains(topRegion).Should().BeTrue();
extrudedResult.Polygons.Contains(bottomRegion).Should().BeTrue();
extrudedResult.Polygons.Contains(leftRegion).Should().BeTrue();
extrudedResult.Polygons.Contains(rightRegion).Should().BeTrue();
}
public void LineSegment_DoesIntersectNotTouchingPlane_ShouldReturnFalse_IfEndPointsAreOnTheSameSideOfThePlane()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(2, 2, 2));
Plane plane = new Plane(Direction.Right);
lineSegment.DoesIntersectNotTouching(plane).Should().BeFalse();
}
public void LineSegment_Overlaps_ShouldThrowException_IfSegmentIsNull()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(1, 1, 1));
LineSegment lineSegment2 = null;
Action overlaps = () => lineSegment1.Overlaps(lineSegment2);
overlaps.ShouldThrow<Exception>();
}
public void LineSegment_Overlaps_ShouldReturnFalse_IfSegmentsAreParallelButNoEndPointsAreOnTheInsideOfTheOtherSegment()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(1, 1, 1));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(2, 2, 2));
lineSegment1.Overlaps(lineSegment2).Should().BeFalse();
}
public void LineSegment_Overlaps_ShouldReturnTrue_IfSegmentsAreEqual()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(1, 1, 1));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(1, 1, 1));
lineSegment1.Overlaps(lineSegment2).Should().BeTrue();
}
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_ConstructorVector_ShouldCreateLineSegmentFromVector()
{
LineSegment lineSegment = new LineSegment(new Vector(Point.MakePointWithInches(1, 1, 1)));
lineSegment.Should().Be(new LineSegment(Point.Origin, Point.MakePointWithInches(1, 1, 1)));
}
public void LineSegment_ProjectOntoPlane_ShouldThrowException_IfPlaneIsNull()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
Plane plane = null;
Action project = () => lineSegment.ProjectOntoPlane(plane);
project.ShouldThrow<Exception>();
}
public void LineSegment_ProjectOntoPlane_ShouldReturnVectorProjection_IfVectorLengthIsNotZero()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
Plane plane = new Plane(Direction.Right);
Vector vector = new Vector(lineSegment.BasePoint, lineSegment.EndPoint);
lineSegment.ProjectOntoPlane(plane).Should().Be(new LineSegment(vector.ProjectOntoPlane(plane)));
}
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();
}
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_Reverse_ShouldReturnReversedLineSegment()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
lineSegment.Should().Be(new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(0, 0, 0)));
}
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_Rotate_ShouldRotateAsVector()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(1, 0, 0));
Rotation rotation = new Rotation(new Angle(45, Angle.Degrees));
LineSegment lineSegment2 = lineSegment1.Rotate(rotation);
lineSegment2.Should().Be(new LineSegment(Point.Origin, new Direction(rotation.RotationAngle), new Distance(Distance.Inches, 1)));
}
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_Rotate_ShouldThrowException_IfRotationIsNull()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 0, 0));
Rotation rotation = null;
Action rotate = () => lineSegment.Rotate(rotation);
rotate.ShouldThrow<Exception>();
}
public void LineSegment_Overlaps_ShouldReturnFalse_IfSegmentsAreNotParallel()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(2, 2, 2));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(0, 2, 0));
lineSegment1.Overlaps(lineSegment2).Should().BeFalse();
}
public void LineSegment_Shift_ShouldShiftAsVector()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
Shift shift1 = new Shift(new Vector(Point.MakePointWithInches(0, 1, 0)));
Shift shift2 = new Shift(new Vector(Point.MakePointWithInches(2, 0, 3)));
Shift shift3 = Shift.Compose(shift1, shift2);
lineSegment.Shift(shift3).Should().Be(new LineSegment(Point.MakePointWithInches(2, 1, 3), Point.MakePointWithInches(3, 2, 4)));
}
public void LineSegment_Overlaps_ShouldReturnTrue_IfSegmentsAreParallelAndAnyEndpointsAreOnTheInsideOfTheOtherSegment()
{
LineSegment lineSegment1 = new LineSegment(Point.MakePointWithInches(3, 3, 3));
LineSegment lineSegment2 = new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(2, 2, 2));
lineSegment1.Overlaps(lineSegment2).Should().BeTrue();
}
public void LineSegment_Shift_ShouldThrowException_IfShiftIsNull()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
Shift shift = null;
Action shiftAction = () => lineSegment.Shift(shift);
shiftAction.ShouldThrow<Exception>();
}
public void LineSegment_DoesIntersectNotTouchingPlane_ShouldReturnFalse_IfBothEndPointsAreOnPlane()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 0, 0));
Plane plane = new Plane(Direction.Right);
lineSegment.DoesIntersectNotTouching(plane).Should().BeFalse();
}
public void LineSegment_Translate_ShouldTranslateAsVector()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
Translation translation = new Translation(new Vector(Point.MakePointWithInches(0, 1, 0)));
lineSegment.Translate(translation).Should().Be(new LineSegment(Point.MakePointWithInches(0, 1, 0), Point.MakePointWithInches(1, 2, 1)));
}
public void LineSegment_DoesIntersectNotTouchingPlane_ShouldReturnTrue_IfEndPointsAreOnOppositeSidesOfThePlane()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1), Point.MakePointWithInches(-1, -1, -1));
Plane plane = new Plane(Direction.Right);
lineSegment.DoesIntersectNotTouching(plane).Should().BeTrue();
}
public void LineSegment_Translate_ShouldThrowException_IfTranslateIsNull()
{
LineSegment lineSegment = new LineSegment(Point.MakePointWithInches(1, 1, 1));
Translation translation = null;
Action translate = () => lineSegment.Shift(translation);
translate.ShouldThrow<Exception>();
}
