| 7 | ) |
| 8 | |
| 9 | func TestComment(t *testing.T) { |
| 10 | t.Parallel() |
| 11 | payload := Comment("The quick brown fox jumps over the lazy dog.") |
| 12 | oversized := Comment(strings.Repeat("foobar", 100)) |
| 13 | tests := []struct { |
| 14 | name string |
| 15 | info InfoAny |
| 16 | errmsg string |
| 17 | }{ |
| 18 | { |
| 19 | name: "un/marshal Comment round-trip", |
| 20 | info: &payload, |
| 21 | }, |
| 22 | { |
| 23 | name: "marshal oversized Comment", |
| 24 | info: &oversized, |
| 25 | errmsg: "comment must be less than 256 bytes, got 600 bytes", |
| 26 | }, |
| 27 | } |
| 28 | |
| 29 | for _, tt := range tests { |
| 30 | t.Run(tt.name, func(t *testing.T) { |
| 31 | data, err := tt.info.marshal(0, 0) |
| 32 | if err != nil { |
| 33 | if tt.errmsg != "" && err.Error() == tt.errmsg { |
| 34 | return |
| 35 | } |
| 36 | t.Fatalf("marshal error: %+v", err) |
| 37 | |
| 38 | } |
| 39 | if len(data) != CommentSize { |
| 40 | t.Fatalf("marshal error: invalid size %d", len(data)) |
| 41 | } |
| 42 | if data[len(data)-1] != 0 { |
| 43 | t.Fatalf("marshal error: invalid termination") |
| 44 | } |
| 45 | var comment Comment |
| 46 | var recoveredInfo InfoAny = &comment |
| 47 | err = recoveredInfo.unmarshal(0, 0, data) |
| 48 | if err != nil { |
| 49 | t.Fatalf("unmarshal error: %+v", err) |
| 50 | } |
| 51 | if !reflect.DeepEqual(tt.info, recoveredInfo) { |
| 52 | t.Fatalf("original %+v and recovered %+v are different", tt.info, recoveredInfo) |
| 53 | } |
| 54 | }) |
| 55 | } |
| 56 | |
| 57 | oversizeddata := []byte(oversized) |
| 58 | var comment Comment |
| 59 | if err := (&comment).unmarshal(0, 0, oversizeddata); err == nil { |
| 60 | t.Fatalf("unmarshal: expected error, but got nil") |
| 61 | } |
| 62 | } |