Function TestLoopNormalizedCompatibleWithContains

s2/loop_test.go:1751–1779

(t *testing.T)

}

func TestLoopNormalizedCompatibleWithContains(t *testing.T) {
	p := parsePoint("40:40")

	tests := []*Loop{
		lineTriangle,
		skinnyChevron,
	}

	// Checks that if a loop is normalized, it doesn't contain a
	// point outside of it, and vice versa.
	for _, loop := range tests {
		flip := cloneLoop(loop)

		flip.Invert()
		if norm, contains := loop.IsNormalized(), loop.ContainsPoint(p); norm == contains {
			t.Errorf("loop.IsNormalized() = %t == loop.ContainsPoint(%v) = %v, want !=", norm, p, contains)
		}
		if norm, contains := flip.IsNormalized(), flip.ContainsPoint(p); norm == contains {
			t.Errorf("flip.IsNormalized() = %t == flip.ContainsPoint(%v) = %v, want !=", norm, p, contains)
		}
		if a, b := loop.IsNormalized(), flip.IsNormalized(); a == b {
			t.Errorf("a loop and it's invert can not both be normalized")
		}
		flip.Normalize()
		if flip.ContainsPoint(p) {
			t.Errorf("%v.ContainsPoint(%v) = true, want false", flip, p)
		}
	}
}

func TestLoopValidateDetectsInvalidLoops(t *testing.T) {
	tests := []struct {