public void TestIntersectedLine2()
{
IIntersectedLine line1 = new IntersectedLine(new Line(new Point(2, 4), new Point(10, 4)));
IIntersectedLine line2 = new IntersectedLine(new Line(new Point(2, 4), new Point(10, 4)));
Assert.True(line1.IsCongruentTo(new Line(new Point(2, 4), new Point(10, 4))), "Congruent 1");
Assert.True(line1.GetLine().IsCongruentTo(new Line(new Point(2, 4), new Point(10, 4))), "Congruent 2");
Assert.True(line1.GetLine().IsCongruentTo(new Line(new Point(10, 4), new Point(2, 4))), "Congruent 3");
Assert.True(line1.AddIntersect(new Intersect(new Point(3, 4))), "Add intersect 1");
Assert.True(line1.AddIntersect(new Intersect(new Point(4, 4))), "Add intersect 2");
Assert.True(line1.AddIntersect(new Intersect(new Point(6, 4))), "Add intersect 3");
Assert.True(line1.AddIntersect(new Intersect(new Point(9, 4))), "Add intersect 4");
Assert.False(line1.AddIntersect(new Intersect(new Point(1, 5))), "Add intersect 5");
Assert.AreEqual(4, line1.CountIntersects, "count intersects");
Assert.True(line1.TrimToIntersects(), "Trim OK");
Assert.AreEqual(6, line1.Length, "Trimmed line length");
List<ILine> lines = line1.Split();
Assert.AreEqual(3, lines.Count, "Split lines count");
Assert.AreEqual(1, lines[0].Length, "Split lines[0] length");
Assert.AreEqual(2, lines[1].Length, "Split lines[1] length");
Assert.AreEqual(3, lines[2].Length, "Split lines[2] length");
Assert.True(line2.AddIntersect(new Intersect(new Point(6, 4))), "Add line2 intersect 3");
Assert.True(line2.AddIntersect(new Intersect(new Point(3, 4))), "Add line2 intersect 1");
Assert.True(line2.AddIntersect(new Intersect(new Point(9, 4))), "Add line2 intersect 4");
Assert.False(line2.AddIntersect(new Intersect(new Point(1, 5))), "Add line2 intersect 5");
Assert.True(line2.AddIntersect(new Intersect(new Point(4, 4))), "Add line2 intersect 2");
Assert.AreEqual(4, line2.CountIntersects, "count intersects");
Assert.True(line2.TrimToIntersects(), "Trim line2 OK");
Assert.AreEqual(6, line1.Length, "Trimmed line2 length");
List<ILine> lines2 = line1.Split();
Assert.AreEqual(3, lines2.Count, "Split lines count");
Assert.AreEqual(1, lines2[0].Length, "Split lines2[0] length");
Assert.AreEqual(2, lines2[1].Length, "Split lines2[1] length");
Assert.AreEqual(3, lines2[2].Length, "Split lines2[2] length");
}
public void TestIntersectedLine1()
{
IIntersectedLine line1 = new IntersectedLine(new Line(new Point(2, 4), new Point(10, 4)));
IIntersectedLine line2 = new IntersectedLine(new Line(new Point(6, 2), new Point(6, 10)));
IIntersectedLine line3 = new IntersectedLine(new Line(new Point(6, 2), new Point(8, 2)));
IIntersectedLine line4 = new IntersectedLine(new Line(new Point(10, 4), new Point(2, 4)));
IIntersectedLine line5 = new IntersectedLine(new Line(new Point(8, 2), new Point(6, 2)));
IIntersectedLine line6 = new IntersectedLine(new Line(new Point(6, 10), new Point(6, 2)));
// Rectangle
IIntersectedLine line7 = new IntersectedLine(new Line(new Point(1, 1), new Point(1, 9)));
IIntersectedLine line8 = new IntersectedLine(new Line(new Point(1, 9), new Point(10, 9)));
IIntersectedLine line9 = new IntersectedLine(new Line(new Point(10, 9), new Point(10, 1)));
IIntersectedLine line10 = new IntersectedLine(new Line(new Point(10, 1), new Point(1, 1)));
// All directions
IIntersectedLine line11 = new IntersectedLine(new Line(new Point(2, 4), new Point(2, 10)));
IIntersectedLine line12 = new IntersectedLine(new Line(new Point(2, 10), new Point(5, 10)));
IIntersectedLine line13 = new IntersectedLine(new Line(new Point(2, 10), new Point(2, 6)));
IIntersectedLine line14 = new IntersectedLine(new Line(new Point(2, 10), new Point(1, 10)));
IIntersectedLine line15 = new IntersectedLine(new Line(new Point(2, 10), new Point(2, 15)));
Assert.AreEqual(8, line1.Length, "line1.Length error");
Assert.AreEqual(8, line2.Length, "line2.Length error");
Assert.AreEqual(2, line3.Length, "line3.Length error");
Assert.False(line1.IsVertical, "line1 vert");
Assert.True(line2.IsVertical, "line2 vert");
Assert.True(line1.HasPoint(new Point(6, 4)), "Contains");
Assert.True(line1.IsCongruentTo(line4), "line1 - line4 congruence");
Assert.True(line3.IsCongruentTo(line5), "line3 - line5 congruence");
Assert.True(line4.IsCongruentTo(line1), "line4 - line1 congruence");
Assert.True(line5.IsCongruentTo(line3), "line5 - line3 congruence");
Assert.False(line1.IsCongruentTo(line2), "line1 - line2 congruence");
Assert.AreEqual(Line.Direction.Right, line1.Orientation, "line1 orientation");
Assert.AreEqual(Line.Direction.Up, line2.Orientation, "line2 orientation");
Assert.AreEqual(Line.Direction.Left, line4.Orientation, "line4 orientation");
Assert.AreEqual(Line.Direction.Down, line6.Orientation, "line6 orientation");
Assert.AreEqual(Line.Direction.Right, line11.RelativeDirection(line12), "line11 - line12 RelativeDirection");
Assert.AreEqual(Line.Direction.Down, line11.RelativeDirection(line13), "line11 - line13 RelativeDirection");
Assert.AreEqual(Line.Direction.Left, line11.RelativeDirection(line14), "line11 - line14 RelativeDirection");
Assert.AreEqual(Line.Direction.Up, line11.RelativeDirection(line15), "line11 - line15 RelativeDirection");
//statics
Assert.AreEqual(Line.Direction.Left, Line.Flip(line1).Orientation, "line1 Flip orientation");
Assert.AreEqual(Line.Direction.Down, Line.Flip(line2).Orientation, "line2 Flip orientation");
Assert.AreEqual(Line.Direction.Right, Line.Flip(line4).Orientation, "line4 Flip orientation");
Assert.AreEqual(Line.Direction.Up, Line.Flip(line6).Orientation, "line6 Flip orientation");
Assert.True(Line.Flip(line1).IsCongruentTo(line1), "Flip congruent");
Assert.True(Line.OverlapsOrTouches(new Line(new Point(2, 8), new Point(2, 16)), new Line(new Point(2, 9), new Point(2, 17))), "Overlaps 1");
Assert.True(Line.OverlapsOrTouches(new Line(new Point(2, 9), new Point(2, 17)), new Line(new Point(2, 8), new Point(2, 10))), "Overlaps 2");
Assert.True(Line.OverlapsOrTouches(new Line(new Point(2, 8), new Point(2, 16)), new Line(new Point(2, 16), new Point(2, 20))), "Touches");
Assert.False(Line.OverlapsOrTouches(new Line(new Point(2, 8), new Point(2, 16)), new Line(new Point(2, 17), new Point(2, 20))), "No Overlap");
Assert.True(Line.FullyOverlaps(new Line(new Point(2, 8), new Point(2, 20)), new Line(new Point(2, 9), new Point(2, 17))), "FullyOverlaps 1");
Assert.True(Line.FullyOverlaps(new Line(new Point(2, 8), new Point(2, 17)), new Line(new Point(2, 8), new Point(2, 17))), "FullyOverlaps 2");
Assert.False(Line.FullyOverlaps(new Line(new Point(2, 9), new Point(2, 17)), new Line(new Point(2, 8), new Point(2, 10))), "FullyOverlaps 3");
ILine jLine = Line.JoinLines(new Line(new Point(2, 8), new Point(2, 16)), new Line(new Point(2, 9), new Point(2, 17)));
Assert.True(jLine.IsCongruentTo(new Line(new Point(2, 8), new Point(2, 17))), "Joined line 1");
Assert.True(Line.CrossesOrTouches(line2, line3), "CrossesOrTouches");
Assert.True(Line.Crosses(line1, line2), "Crosses");
Assert.AreEqual(new Point(6, 4), Line.GetIntersect(line1, line2), "GetIntersect");
}