public void RectangularPrism_ConstructorTest()
{
var height = new Distance(new Inch(), 5);
var width = new Distance(new Inch(), 5);
var length = new Distance(new Inch(), 5);
RectangularPrism prism = new RectangularPrism(width, height, length);
//make sure it was made right
(prism.LineSegments.Count == 12).Should().BeTrue();
(prism.Polygons.Count == 6).Should().BeTrue();
(prism.Vertices.Count == 8).Should().BeTrue();
Point basePoint = Point.Origin;
Point topLeftPoint = Point.MakePointWithInches(0, 5, 0);
Point bottomRightPoint = Point.MakePointWithInches(5, 0, 0);
Point topRightPoint = Point.MakePointWithInches(5, 5, 0);
Point backbasepoint = Point.MakePointWithInches(0, 0, 5);
Point backtopleftpoint = Point.MakePointWithInches(0, 5, 5);
Point backbottomrightpoint = Point.MakePointWithInches(5, 0, 5);
Point backtoprightpoint = Point.MakePointWithInches(5, 5, 5);
List<Point> expectedPoints = new List<Point>() { basePoint, topLeftPoint, bottomRightPoint, topRightPoint, backbasepoint, backtopleftpoint, backbottomrightpoint, backtoprightpoint };
foreach (Point point in expectedPoints)
{
prism.Vertices.Contains(point).Should().BeTrue();
}
}
public void RegularPentagon()
{
Distance sideLength = new Distance(5, Inches);
Polygon pentagon = Polygon.Pentagon(sideLength);
//Check each segment individually
foreach(var segment in pentagon.LineSegments)
{
(segment.Length == sideLength).Should().BeTrue();
}
Area actualArea = pentagon.Area;
Area expectedArea = new Area(new SquareInch(), 43);
(actualArea == expectedArea).Should().BeTrue();
//verify the bottom segment is flat and symmetric about zero.
var bottomSegment = pentagon.LineSegments.MinBy(s => s.MidPoint.Y);
(bottomSegment.BasePoint.X == -1 * bottomSegment.EndPoint.X).Should().BeTrue();
(bottomSegment.BasePoint.Y == bottomSegment.EndPoint.Y).Should().BeTrue();
//verify the polygon is on the XY plane
foreach(var vertex in pentagon.Vertices)
{
(vertex.Z == Distance.ZeroDistance).Should().BeTrue();
}
//verify the polygon is centered on the origin
(pentagon.Centroid == Point.Origin).Should().BeTrue();
}
public void Point_MinusOperatorStandardTest()
{
Distance xDistance1 = new Distance(new Millimeter(), 5);
Distance yDistance1 = new Distance(new Millimeter(), 5);
Distance zDistance1 = new Distance(new Millimeter(), 5);
Distance xDistance2 = new Distance(new Millimeter(), 5);
Distance yDistance2 = new Distance(new Millimeter(), 5);
Distance zDistance2 = new Distance(new Millimeter(), 5);
Distance xDistance3 = new Distance(new Millimeter(), -10);
Distance yDistance3 = new Distance(new Millimeter(), -10);
Distance zDistance3 = new Distance(new Millimeter(), -10);
Point p1 = new Point(xDistance1, yDistance1, zDistance1);
Point p2 = new Point(xDistance2, yDistance2, zDistance2);
Point p3 = new Point(xDistance3, yDistance3, zDistance3);
Point cumulativePoint = (p1 - p2 - p3);
cumulativePoint.X.Should().Be(new Distance(new Millimeter(), 10));
cumulativePoint.Y.Should().Be(new Distance(new Millimeter(), 10));
cumulativePoint.Z.Should().Be(new Distance(new Millimeter(), 10));
}
public void NonPolygon_Circle()
{
Point center = Point.Origin;
Distance radius = new Distance(3, Inches);
Circle c2 = new Circle(center, radius);
c2.Center.Equals(Point.Origin).Should().BeTrue();
c2.Radius.ValueInInches.Should().Be(3);
}
private static Polygon _makeRectangle(Distance length, Distance width, Point basePoint = null)
{
var vector1 = new Vector(Direction.Right, length);
var vector2 = new Vector(Direction.Up, width);
var rectangle = Parallelogram(vector1, vector2, basePoint);
return rectangle;
}
public Ellipse(IList<Point> foci, Distance curveDefinition)
{
if (foci.Count != 2)
{
throw new ArgumentException("An ellipse must have exactly two foci.");
}
this._foci = foci;
this._curveDefinition = curveDefinition;
}
public void FundamentalUnit_SpeedTest()
{
var total = Distance.ZeroDistance;
for (int i = 0; i < 1E7; i++)
{
var distance = new Distance(5, Distance.Inches);
total += distance;
}
Assert.Pass();
}
public void Point_2DConstructorTest()
{
Distance xDistance = new Distance(new Millimeter(), 5);
Distance yDistance = new Distance(new Millimeter(), 10);
Point p = new Point(xDistance, yDistance);
p.X.Should().Be(new Distance(new Millimeter(), 5));
p.Y.Should().Be(new Distance(new Millimeter(), 10));
p.Z.Should().Be(new Distance(new Millimeter(), 0));
}
public void DistanceConversions()
{
Distance kilometerDistance = new Distance(new Kilometer(), 1);
(kilometerDistance == new Distance(new Millimeter(), 1000000)).Should().BeTrue();
(kilometerDistance == new Distance(new Centimeter(), 100000)).Should().BeTrue();
(kilometerDistance == new Distance(new Inch(), 39370.1)).Should().BeTrue();
(kilometerDistance == new Distance(new Foot(), 3280.84)).Should().BeTrue();
(kilometerDistance == new Distance(new Yard(), 1093.61)).Should().BeTrue();
(kilometerDistance == new Distance(new Mile(), 0.621371)).Should().BeTrue();
(kilometerDistance == new Distance(new Meter(), 1000)).Should().BeTrue();
kilometerDistance.Architectural.Should().Be("3280'10 1/16\""); //need to recheck
}
public void Dimension_ComparisonOperatorTest()
{
// arrange
Distance biggerDistance = new Distance(new Inch(), 14.1875);
Distance smallerDistance = new Distance("1' 2 1/16\"");
Distance equivalentbiggerDistance = new Distance(new Millimeter(), 360.3625);
// assert
//(smallerDistance < biggerDistance).Should().Be(true);
//(biggerDistance < smallerDistance).Should().Be(false);
//(biggerDistance > smallerDistance).Should().Be(true);
//(smallerDistance > biggerDistance).Should().Be(false);
}
private static Polygon _makeRectangle(Vector baseSegment, Distance height, Direction referencePlaneNormal)
{
if (referencePlaneNormal == null)
{
referencePlaneNormal = Direction.Out;
}
Direction heightDirection = referencePlaneNormal.CrossProduct(baseSegment.Direction);
var heightVector = new Vector(heightDirection, height);
Polygon polygon = Parallelogram(baseSegment, heightVector);
return polygon;
}
private static Polyhedron _makeSolid(Distance length, Distance width, Distance height, Point basePoint = null)
{
if (basePoint == null)
{
basePoint = Point.Origin;
}
Distance zero = Distance.ZeroDistance;
Vector vector1 = new Vector(new Point(zero, width, zero));
Vector vector2 = new Vector(new Point(length, zero, zero));
Vector vector3 = new Vector(new Point(zero, zero, height));
var solid = MakeParallelepiped(vector1, vector2, vector3, basePoint);
return solid;
}
public Circle(Point center, Distance radius, Direction normalDirection = null)
{
if (normalDirection == null)
{
normalDirection = Direction.Out;
}
var vector1 = new Vector(Point.MakePointWithInches(1, 0, 0)).CrossProduct(normalDirection * new Distance(1, Inches));
var vector2 = new Vector(Point.MakePointWithInches(0, 1, 0)).CrossProduct(normalDirection * new Distance(1, Inches));
var vector3 = new Vector(Point.MakePointWithInches(0, 0, 1)).CrossProduct(normalDirection * new Distance(1, Inches));
var chosen = new List<Vector>() { vector1, vector2, vector3 }.MaxBy(v => v.Magnitude);
var basePoint = center.Translate(chosen.Direction * radius);
var arc = new Arc(basePoint, basePoint, new Line(center, normalDirection));
this._Edges = new List<IEdge>() { arc };
this.NormalLine = new Line(arc.CenterPoint, arc.NormalDirection);
}
public void Arc_Properties_Quarter_Circle()
{
//make our default arc
Point basePoint = Point.Origin;
Point endPoint = Point.MakePointWithInches(3, 3, 4.24264); //sqr(3^2 + 3^2)
Direction directionAtStart = new Direction(Point.MakePointWithInches(1, 1, 0));
Arc quarterArc = new Arc(basePoint, endPoint, directionAtStart);
//test arc length
Distance arcLength = quarterArc.ArcLength;
//s = r(theta)
Distance expectedArclength = new Distance(new Inch(), 4.24264 * Math.PI / 2);
(arcLength == expectedArclength).Should().BeTrue();
//test arc area
Area arcArea = quarterArc.SectorArea;
//a = (theta)/2 * r^2
Area expectedArea = new Area(new SquareInch(), (Math.PI / 2) / 2 * (18)); //Pi/2 = 90 degrees, 18 = r^2
(arcArea == expectedArea).Should().BeTrue();
//test the arcSegmentArea
Area arcSegmentArea = quarterArc.SegmentArea;
//a = r^2 / 2 * (theta - sin(theta))
Area expectedSegmentLength = new Area(new SquareInch(), 18 / 2 * (Math.PI / 2 - Math.Sin(Math.PI / 2))); //Pi/2 = 90 degrees, 18 = r^2
(arcSegmentArea == expectedSegmentLength).Should().BeTrue();
//test the central angle
Angle centralAngle = quarterArc.CentralAngle;
(centralAngle == Angle.RightAngle).Should().BeTrue();
//test the center point
Point centerPoint = quarterArc.CenterPoint;
(centerPoint == Point.MakePointWithInches(0, 0, 4.24264)).Should().BeTrue();//sqr(3^2 + 3^2)
//test the radius
Distance radius = quarterArc.RadiusOfCurvature;
(radius == new Distance(new Inch(), 4.24264)).Should().BeTrue();//sqr(3^2 + 3^2)
//test the straight line direction (same as direction)
Direction straightDirection = quarterArc.StraightLineDirection;
(straightDirection == new Direction(Angle.RightAngle / 2, Angle.RightAngle / 2)).Should().BeTrue();
}
public void Distance_Architectural_Constructor()
{
// arrange
Distance Distance1 = new Distance("1'2 3/16\"");
Distance Distance2 = new Distance("1'");
Distance Distance3 = new Distance("1'2\"");
Distance Distance4 = new Distance("2 3/16\"");
Distance Distance5 = new Distance("1'2-3/16\"");
Distance Distance6 = new Distance("3/16\"");
Distance Distance7 = new Distance("121103");
Distance Distance8 = new Distance("-1'2\"");
// assert
Distance1.Architectural.ShouldBeEquivalentTo("1'2 3/16\"");
Distance2.Architectural.ShouldBeEquivalentTo("1'");
Distance3.Architectural.ShouldBeEquivalentTo("1'2\"");
Distance4.Architectural.ShouldBeEquivalentTo("2 3/16\"");
Distance5.Architectural.ShouldBeEquivalentTo("1'2 3/16\"");
Distance6.Architectural.ShouldBeEquivalentTo("3/16\"");
Distance7.Architectural.ShouldBeEquivalentTo("12'11 3/16\"");
Distance8.Architectural.ShouldBeEquivalentTo("-1'2\"");
}
public void Distance_CompareTo()
{
// arrange
Distance smallDistance = new Distance(new Millimeter(), 1);
Distance mediumDistance = new Distance(new Foot(), 1);
Distance largeDistance = new Distance(new Kilometer(), 1);
//Act & Assert
smallDistance.CompareTo(mediumDistance).Should().Be(-1);
mediumDistance.CompareTo(smallDistance).Should().Be(1);
largeDistance.CompareTo(largeDistance).Should().Be(0);
}
public void Distance_EqualityTests()
{
// arrange
Distance biggerDistance = new Distance(new Inch(), 14.1875);
Distance smallerDistance = new Distance("1' 2 1/16\"");
Distance equivalentbiggerDistance = new Distance(new Millimeter(), 360.3625);
(equivalentbiggerDistance == biggerDistance).Should().BeTrue();
(equivalentbiggerDistance == smallerDistance).Should().BeFalse();
(equivalentbiggerDistance != smallerDistance).Should().BeTrue();
(equivalentbiggerDistance != biggerDistance).Should().BeFalse();
//check ==
bool nonNullFirst = (biggerDistance == null);
bool nullFirst = (null == biggerDistance);
bool bothNull = (null == null);
nonNullFirst.Should().BeFalse();
nullFirst.Should().BeFalse();
bothNull.Should().BeTrue();
//check !=
bool nonNullFirstNotEqual = (biggerDistance != null);
bool nullFirstNotEqual = (null != biggerDistance);
bool bothNullNotEqual = (null != null);
nonNullFirstNotEqual.Should().BeTrue();
nullFirstNotEqual.Should().BeTrue();
bothNullNotEqual.Should().BeFalse();
//check equals (other way should throw a nullPointerException)
bool nullSecond = biggerDistance.Equals(null);
nullSecond.Should().BeFalse();
}
public void Distance_ToString_NumberOfDecimals()
{
// arrange
Distance Distance = new Distance(new Millimeter(), 14.1875);
Distance Distance2 = new Distance(new Millimeter(), 0.0001);
Distance Distance3 = new Distance(new Millimeter(), 1.13);
//should come back rounded due
// act
// assert
Distance.ToString(3).Should().Be("14.188 mm");
Distance2.ToString(1).Should().Be("0 mm");
Distance3.ToString(0).Should().Be("1 mm");
}
private static Polyhedron _makePrismFromRectangle(Rectangle rectangle, Distance height)
{
var prism = rectangle.Extrude(rectangle.NormalVector * height.ValueInInches);
return prism;
}
public void Distance_ToString()
{
// arrange
Distance Distance = new Distance(new Millimeter(), 14.1875);
Distance Distance2 = new Distance(new Millimeter(), 0);
Distance Distance3 = new Distance(new Millimeter(), 1.13);
//should come back rounded due
// act
// assert
Distance.ToString().Should().Be("14 mm");
Distance2.ToString().Should().Be("0 mm");
Distance3.ToString().Should().Be("1 mm");
}
public void Distance_SelfConversionTest()
{
Distance testInstance = new Distance(new Mile(), 1);
testInstance.AsMiles().Should().Be(1);
}
public void LineSegment_ConstructorPointDirectionDistance_ShouldCreateLineSegmentFromOrigin_IfPointIsNull()
{
Point point = null;
Direction direction = new Direction(1, 0, 0);
Distance distance = new Distance(1, Distance.Inches);
LineSegment lineSegment = new LineSegment(point, direction, distance);
lineSegment.Should().Be(new LineSegment(Point.MakePointWithInches(1, 0, 0)));
}
public RectangularPrism(Rectangle rectangle, Distance height) : base(_makePrismFromRectangle(rectangle, height)) { }
public void Distance_EqualsWithinPassedAcceptedDeviation()
{
// arrange
Distance distance = new Distance(new Inch(), 5);
Distance equivalentDistance = new Distance(new Inch(), 5.03125);
Distance notequivalentDistance = new Distance(new Inch(), 5.03126);
// (equivalentDistance.EqualsWithinDeviationConstant(distance, distance.DeviationAsConstant)).Should().Be(true);
// (notequivalentDistance.EqualsWithinDeviationConstant(distance, distance.DeviationAsConstant)).Should().Be(false);
}
/// <summary>
/// Creates a rectangular prism with the given Distances in the x,y,z directions
/// </summary>
public RectangularPrism(Distance length, Distance width, Distance height, Point basePoint = null) : base(_makeSolid(length, width, height, basePoint)) { }
public void Distance_GetHashCode()
{
// arrange
Distance Distance = new Distance(new Millimeter(), 14.1875);
double number = 14.1875;
// act
int DistanceHashCode = Distance.GetHashCode();
int hashCode = number.GetHashCode();
// assert
hashCode.ShouldBeEquivalentTo(DistanceHashCode);
}
public void LineSegment_ConstructorPointDirectionDistance_ShouldCreateLineSegmentFromPointDirectionAndDistance()
{
Direction direction = new Direction(1, 0, 0);
Distance distance = new Distance(1, Distance.Inches);
LineSegment lineSegment = new LineSegment(Point.Origin, direction, distance);
lineSegment.Should().Be(new LineSegment(Point.MakePointWithInches(1, 0, 0)));
}
public void Distance_Intuitiveness()
{
//zero constructor
Distance zero1 = Distance.ZeroDistance;
Distance zero2 = Distance.ZeroDistance;
Angle zero = Angle.ZeroAngle;
// This doesn't compile, yay for type safety:
// bool b1 = zero1 == zero;
// Checking between the same type does compile:
bool b2 = zero1 == zero2;
//simple constructor
Distance smallDistance = new Distance(new Millimeter(), 1);
Distance mediumDistance = new Distance(new Foot(), 1);
Distance largeDistance = new Distance(new Kilometer(), 1);
//copy constructor
Distance copy = new Distance(smallDistance);
//comparisons
//if (copy > zero)
//{
//}
if (zero1 == Distance.ZeroDistance)
{
}
if (zero1 >= Distance.ZeroDistance)
{
}
//Math operations
Distance distance4 = smallDistance + largeDistance;
Distance doubleDistance = mediumDistance * 2;
//absolute value
Distance positiveDistance = (new Distance(new Inch(), -1).AbsoluteValue());
//Static constants
Distance oneFoot = 1.FromFeetToDistance();
//increments
oneFoot += oneFoot; // 2 feet
oneFoot -= oneFoot; // 0 feet
//we do not implement ++ and -- because that would break our "all units simultaneously" abstraction.
// oneFoot++;
// oneFoot--;
//User defined equality strategies
//EqualityStrategy<IDistanceType> userStrategy = (d1, d2) => { return true; };
//oneFoot.EqualsWithinEqualityStrategy(positiveDistance, userStrategy);
// ToString override
oneFoot.ToString();
List<Distance> distances = new List<Distance> { oneFoot, positiveDistance, distance4, zero1 };
foreach (var distance in distances)
{
distance.ToString();
}
}
public void LineSegment_ConstructorPointDirectionDistance_ShouldThrowException_IfDirectionIsNull()
{
Direction direction = null;
Distance distance = new Distance(1, Distance.Inches);
Action construct = () => new LineSegment(Point.Origin, direction, distance);
construct.ShouldThrow<Exception>();
}
public void Distance_Math_Operators()
{
// arrange
Distance inchDistance = new Distance(new Inch(), 14.1875);
Distance architecturalDistance = new Distance("1'2 3/16\"");
// act
Distance subtractionDistance = inchDistance - architecturalDistance;
Distance additionDistance = inchDistance + architecturalDistance;
Distance tenFeet = new Distance(10, Distance.Feet);
Distance fiveInches = new Distance(5, new Inch());
var quotient = tenFeet/fiveInches;
// assert
(subtractionDistance == (Distance.ZeroDistance)).Should().BeTrue();
(additionDistance == (new Distance(new Millimeter(), 720.725))).Should().BeTrue();
additionDistance.Architectural.Should().Be("2'4 6/16\"");
quotient.Should().BeApproximately(24, 0.0001);
}