public void Equals_NotEqual_ExpectedFalse()
{
LineSegment2D lineSegment1 = new LineSegment2D(new Point2D(10, 0), new Point2D(67, 76.21));
LineSegment2D lineSegment2 = new LineSegment2D(new Point2D(-41, 0), new Point2D(0, 98));
Assert.IsFalse(lineSegment1.Equals(lineSegment2));
}
public void Equals_DifferentVertexOrder_ExpectedTrue()
{
LineSegment2D lineSegment1 = new LineSegment2D(new Point2D(10, 0), new Point2D(67, 76.21));
LineSegment2D lineSegment2 = new LineSegment2D(new Point2D(67, 76.21), new Point2D(10, 0));
Assert.That(lineSegment1.Equals(lineSegment2));
}
public void Equals_SameVertexPositions_ExpectedTrue()
{
LineSegment2D lineSegment1 = new LineSegment2D(new Point2D(10, 0), new Point2D(67, 76.21));
LineSegment2D lineSegment2 = new LineSegment2D(new Point2D(10, 0), new Point2D(67, 76.21));
Assert.That(lineSegment1.Equals(lineSegment2));
}
public void IntersectingShapeWithLineSegment_IdenticalSegments_ExpectedLineSegment()
{
LineSegment2D lineSegment1 = new LineSegment2D(new Point2D(0, 0), new Point2D(10, 10));
LineSegment2D lineSegment2 = new LineSegment2D(new Point2D(0, 0), new Point2D(10, 10));
Shape2D expectedIntersectingShape = new LineSegment2D(new Point2D(0, 0), new Point2D(10, 10));
Shape2D actualIntersectingShape = lineSegment1.IntersectingShape(lineSegment2);
Assert.That(expectedIntersectingShape.Equals(actualIntersectingShape));
}
public void IntersectingShapeWithRay_LineSegmentPartiallyInsideRay_ExpectedShortLineSegment(double p1x, double p1y, double p2x, double p2y)
{
LineSegment2D lineSegment = new LineSegment2D(new Point2D(p1x, p1y), new Point2D(p2x, p2y));
Ray2D ray = new Ray2D(new Point2D(0, 0), new Point2D(10, 10));
Shape2D expectedIntersectingShape = new LineSegment2D(new Point2D(0, 0), new Point2D(5, 5));
Shape2D actualIntersectingShape = lineSegment.IntersectingShape(ray);
Assert.That(expectedIntersectingShape.Equals(actualIntersectingShape));
}
public void IntersectingShapeWithRay_LineSegmentFullyInsideRay_ExpectedLineSegment()
{
LineSegment2D lineSegment = new LineSegment2D(new Point2D(15, 15), new Point2D(20, 20));
Ray2D ray = new Ray2D(new Point2D(0, 0), new Point2D(10, 10));
Shape2D expectedIntersectingShape = new LineSegment2D(new Point2D(15, 15), new Point2D(20, 20));
Shape2D actualIntersectingShape = lineSegment.IntersectingShape(ray);
Assert.That(expectedIntersectingShape.Equals(actualIntersectingShape));
}
public void Test()
{
var a1 = new Vector2D(10, 20);
var a2 = new Vector2D(30, 40);
var seg = new LineSegment2D(a1, a2);
Assert.AreEqual(a1, seg.Start);
Assert.AreEqual(a2, seg.Stop);
Assert.AreEqual(10, seg.Bounds.Left);
Assert.AreEqual(30, seg.Bounds.Right);
Assert.AreEqual(20, seg.Bounds.Top);
Assert.AreEqual(40, seg.Bounds.Bottom);
var seg2 = new LineSegment2D(seg);
Assert.AreEqual(seg, seg2);
var seg3 = new LineSegment2D(a1, a1);
Assert.AreEqual(seg.GetHashCode(), seg2.GetHashCode());
Assert.AreNotEqual(seg3.GetHashCode(), seg2.GetHashCode());
Assert.AreNotEqual(seg3.GetHashCode(), seg.GetHashCode());
var eq = seg.Equals(seg2);
Assert.IsTrue(eq);
eq = seg.Equals(seg3);
Assert.IsFalse(eq);
var seg4 = new LineSegment2D(a2, a2);
eq = seg.Equals(seg4);
Assert.IsFalse(eq);
var str = seg.ToString();
var exp = "LineSegment: Start = " + a1 + " Stop = " + a2;
Assert.AreEqual(exp, str);
}
public void EqualityComparisonFalseAgainstNull()
{
var line = new LineSegment2D(default(Point2D), new Point2D(1, 1));
Assert.IsFalse(line.Equals(null));
}