t.Errorf("%s: Compact:\n\tgot:  %s\n\twant: %s", tt.Where, indentNewlines(got), indentNewlines(tt.compact))
			}

			buf.Reset()
			if err := Compact(&buf, []byte(tt.indent)); err != nil {
				t.Errorf("%s: Compact error: %v", tt.Where, err)
			} else if got := buf.String(); got != tt.compact {
				t.Errorf("%s: Compact:\n\tgot:  %s\n\twant: %s", tt.Where, indentNewlines(got), indentNewlines(tt.compact))
			}

			buf.Reset()

	got, err := MarshalIndent(&o, "", " ")
	if err != nil {
		t.Fatalf("MarshalIndent error: %v", err)
	}
	if got := string(got); got != want {
		t.Errorf("MarshalIndent:\n\tgot:  %s\n\twant: %s\n", indentNewlines(got), indentNewlines(want))
	}
}

type StringTag struct {
	BoolStr    bool    `json:",string"`
	IntStr     int64   `json:",string"`
	UintptrStr uintptr `json:",string"`
	StrStr     string  `json:",string"`