| 45 | } |
| 46 | |
| 47 | func TestDelete(t *testing.T) { |
| 48 | td := []struct { |
| 49 | name string |
| 50 | input int |
| 51 | expElems []int |
| 52 | }{ |
| 53 | {"delete exiting element", 3, []int{1, 2}}, |
| 54 | {"delete not existing element", 5, []int{1, 2, 3}}, |
| 55 | } |
| 56 | for _, tc := range td { |
| 57 | t.Run(tc.name, func(t *testing.T) { |
| 58 | s := New(1, 2, 3) |
| 59 | s.Delete(tc.input) |
| 60 | if s.Len() != len(tc.expElems) { |
| 61 | t.Errorf("expecting %d elements in the set but got %d: set is %v", len(tc.expElems), s.Len(), s.GetItems()) |
| 62 | } |
| 63 | for _, n := range tc.expElems { |
| 64 | if !s.In(n) { |
| 65 | t.Errorf("expecting %d to be present in the set but was not; set is %v", n, s.GetItems()) |
| 66 | } |
| 67 | } |
| 68 | }) |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | func TestIsSubsetOf(t *testing.T) { |
| 73 | s1, s2 := New(1, 2, 3), New(1, 2, 3, 4) |