| // +build go1.2 |
| |
| package inf |
| |
| import ( |
| "encoding" |
| "encoding/json" |
| "testing" |
| ) |
| |
| var _ encoding.TextMarshaler = new(Dec) |
| var _ encoding.TextUnmarshaler = new(Dec) |
| |
| type Obj struct { |
| Val *Dec |
| } |
| |
| func TestDecJsonMarshalUnmarshal(t *testing.T) { |
| o := Obj{Val: NewDec(123, 2)} |
| js, err := json.Marshal(o) |
| if err != nil { |
| t.Fatalf("json.Marshal(%v): got %v, want ok", o, err) |
| } |
| o2 := &Obj{} |
| err = json.Unmarshal(js, o2) |
| if err != nil { |
| t.Fatalf("json.Unmarshal(%#q): got %v, want ok", js, err) |
| } |
| if o.Val.Scale() != o2.Val.Scale() || |
| o.Val.UnscaledBig().Cmp(o2.Val.UnscaledBig()) != 0 { |
| t.Fatalf("json.Unmarshal(json.Marshal(%v)): want %v, got %v", o, o, o2) |
| } |
| } |