add test to Right1stTriangle (bf23fdc5) · Commits · blackheaven / tinygraphs

draw/isogrids/triangles_test.go

+17 −0

Original line number	Diff line number	Diff line
		@@ -10,3 +10,20 @@ func TestDistanceTo3rdPoint(t *testing.T) {
		t.Errorf("expected %d got %d", expected, got)
		}
		}

		func TestRight1stTriangle(t *testing.T) {

		x1, y1, x2, y2, x3, y3 := right1stTriangle(0, 0, 2, 4)
		got := []int{x1, y1, x2, y2, x3, y3}
		expected := []int{0, 0, 4, 1, 0, 2}

		if len(got) != len(expected) {
		t.Errorf("lengths of arrays should be equal")
		}

		for k, _ := range got {
		if got[k] != expected[k] {
		t.Errorf("expected %d got %d", expected[k], got[k])
		}
		}
		}