diff options
Diffstat (limited to 'src/encoding/json/decode_test.go')
| -rw-r--r-- | src/encoding/json/decode_test.go | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/encoding/json/decode_test.go b/src/encoding/json/decode_test.go index d95657d72..7235969b9 100644 --- a/src/encoding/json/decode_test.go +++ b/src/encoding/json/decode_test.go @@ -1070,18 +1070,25 @@ func TestEmptyString(t *testing.T) { } } -// Test that the returned error is non-nil when trying to unmarshal null string into int, for successive ,string option -// Issue 7046 +// Test that a null for ,string is not replaced with the previous quoted string (issue 7046). +// It should also not be an error (issue 2540, issue 8587). func TestNullString(t *testing.T) { type T struct { - A int `json:",string"` - B int `json:",string"` + A int `json:",string"` + B int `json:",string"` + C *int `json:",string"` } - data := []byte(`{"A": "1", "B": null}`) + data := []byte(`{"A": "1", "B": null, "C": null}`) var s T + s.B = 1 + s.C = new(int) + *s.C = 2 err := Unmarshal(data, &s) - if err == nil { - t.Fatalf("expected error; got %v", s) + if err != nil { + t.Fatalf("Unmarshal: %v") + } + if s.B != 1 || s.C != nil { + t.Fatalf("after Unmarshal, s.B=%d, s.C=%p, want 1, nil", s.B, s.C) } } |