Function TestDecoderInputOffset

json/json_test.go:1535–1579

(t *testing.T)

}

func TestDecoderInputOffset(t *testing.T) {
	checkOffset := func(o, expected int64) {
		if o != expected {
			t.Error("unexpected input offset", o, expected)
		}
	}

	b := []byte(`{"userId": "blah"}{"userId": "blah"}
	{"userId": "blah"}{"num": 0}`)
	d := NewDecoder(bytes.NewReader(b))

	var expected int64
	checkOffset(d.InputOffset(), expected)

	var a struct {
		UserId string `json:"userId"`
	}

	if err := d.Decode(&a); err != nil {
		t.Error("unexpected decode error", err)
	}
	expected = int64(18)
	checkOffset(d.InputOffset(), expected)

	if err := d.Decode(&a); err != nil {
		t.Error("unexpected decode error", err)
	}
	expected = int64(38)
	checkOffset(d.InputOffset(), expected)

	if err := d.Decode(&a); err != nil {
		t.Error("unexpected decode error", err)
	}
	expected = int64(56)
	checkOffset(d.InputOffset(), expected)

	var z struct {
		Num int64 `json:"num"`
	}
	if err := d.Decode(&z); err != nil {
		t.Error("unexpected decode error", err)
	}
	expected = int64(66)
	checkOffset(d.InputOffset(), expected)
}

func TestGithubIssue18(t *testing.T) {
	// https://github.com/segmentio/encoding/issues/18