(t *testing.T)
| 40 | } |
| 41 | |
| 42 | func TestPointPointAddition(t *testing.T) { |
| 43 | a := Point{2, 5} |
| 44 | b := Point{3, 1} |
| 45 | a.Add(b) |
| 46 | if a.X != 5 { |
| 47 | t.Errorf("a.X should equal 5 not %v", a.X) |
| 48 | } |
| 49 | |
| 50 | if a.Y != 6 { |
| 51 | t.Errorf("a.Y should equal 6 not %v", a.Y) |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | func TestPointPointSubtraction(t *testing.T) { |
| 56 | a := Point{10, 15} |