Function TestLineIntersection

math_test.go:123–170

(t *testing.T)

}

func TestLineIntersection(t *testing.T) {
	//Parallel lines
	one := Line{
		Point{0, 0},
		Point{1, 1}}
	two := Line{
		Point{0, 1},
		Point{1, 2}}

	point, intersect := LineIntersection(one, two)

	if intersect {
		t.Errorf("Lines %v and %v should not intersect, they are parallel.  Intersection at: %v.", one, two, point)
	}

	//Collinear lines
	one = Line{
		Point{0, 0},
		Point{1, 1}}
	two = Line{
		Point{2, 2},
		Point{3, 3}}

	point, intersect = LineIntersection(one, two)

	if intersect {
		t.Errorf("Lines %v and %v should not intersect, they are collinear. Intersection at: %v", one, two, point)
	}

	//intersecting lines
	one = Line{
		Point{0, 0},
		Point{1, 1}}
	two = Line{
		Point{0, 1},
		Point{1, 1}}

	point, intersect = LineIntersection(one, two)

	if !intersect {
		t.Errorf("Lines %v and %v should intersect.", one, two)
	}

	if intersect && (point != Point{1, 1}) {
		t.Errorf("Lines %v and %v should intersect at point {1, 1}, but they are intersecting at %v.", one, two, point)
	}

}

func TestPointEqual(t *testing.T) {
	data := []struct {