func TestJSONPbEncoderFields(t *testing.T) {
	var m runtime.JSONPb
	for _, fixt := range fieldFixtures {
		var buf bytes.Buffer
		enc := m.NewEncoder(&buf)
		if err := enc.Encode(fixt.data); err != nil {
			t.Errorf("enc.Encode(%#v) failed with %v; want success", fixt.data, err)
		}
		if got, want := buf.String(), fixt.json; got != want {
			t.Errorf("enc.Encode(%#v) = %q; want %q", fixt.data, got, want)
		}
	}

	m.EnumsAsInts = true
	buf, err := m.Marshal(examplepb.NumericEnum_ONE)
	if err != nil {
		t.Errorf("m.Marshal(%#v) failed with %v; want success", examplepb.NumericEnum_ONE, err)
	}
	if got, want := string(buf), "1"; got != want {
		t.Errorf("m.Marshal(%#v) = %q; want %q", examplepb.NumericEnum_ONE, got, want)
	}
}
func TestJSONPbMarshalFields(t *testing.T) {
	var m runtime.JSONPb
	for _, spec := range []struct {
		val  interface{}
		want string
	}{} {
		buf, err := m.Marshal(spec.val)
		if err != nil {
			t.Errorf("m.Marshal(%#v) failed with %v; want success", spec.val, err)
		}
		if got, want := string(buf), spec.want; got != want {
			t.Errorf("m.Marshal(%#v) = %q; want %q", spec.val, got, want)
		}
	}

	m.EnumsAsInts = true
	buf, err := m.Marshal(examplepb.NumericEnum_ONE)
	if err != nil {
		t.Errorf("m.Marshal(%#v) failed with %v; want success", examplepb.NumericEnum_ONE, err)
	}
	if got, want := string(buf), "1"; got != want {
		t.Errorf("m.Marshal(%#v) = %q; want %q", examplepb.NumericEnum_ONE, got, want)
	}
}