func TestViewFieldPadding(t *testing.T) {
input := []byte{
// age
0, 21,
// siblings
0, 3,
// padding
0, 0, 0,
// len of name +1
5,
// name
'J', 'a', 'n', 'e',
// padding
0,
// len of phone +1
7,
// phone
'5', '5', '5', '-', '4', '2',
}
view, err := person.NewPersonV2View(input)
if err != nil {
t.Fatalf("cannot open view: %v", err)
}
fields, err := view.Fields()
if err != nil {
t.Fatalf("cannot access fields: %v", err)
}
if g, e := fields.Name(), `Jane`; g != e {
t.Errorf("wrong name: %q != %q", g, e)
}
}
func TestViewSlot(t *testing.T) {
input := []byte{
// age
0, 21,
// siblings
0, 3,
// len of name +1
5,
// name
'J', 'a', 'n', 'e',
// len of phone +1
7,
// phone
'5', '5', '5', '-', '4', '2',
}
view, err := person.NewPersonV2View(input)
if err != nil {
t.Fatalf("cannot open view: %v", err)
}
if g, e := view.Age(), uint16(21); g != e {
t.Errorf("wrong age: %d != %d", g, e)
}
if g, e := view.Siblings(), uint16(3); g != e {
t.Errorf("wrong siblings: %d != %d", g, e)
}
}
func TestViewFieldBadTruncated(t *testing.T) {
// truncated somewhere after slots
input := []byte{
// age
0, 21,
// siblings
0, 3,
// len of name +1
5,
// name
'J', 'a', 'n', 'e',
// len of phone +1
7,
// phone
'5', '5', '5', '-', '4',
}
for i := len(input); i >= 4; i-- {
view, err := person.NewPersonV2View(input)
if err != nil {
t.Errorf("unexpected error: %v", err)
continue
}
fields, err := view.Fields()
if g, e := err, io.ErrUnexpectedEOF; g != e {
t.Errorf("wrong error for truncated input @%d: %q (%T) != %q (%T), fields=%#v", i, g, g, e, e, fields)
}
}
}
func TestViewBadTruncatedSlots(t *testing.T) {
// truncated so short not even all the slot data is present
input := []byte{
// age
0, 21,
// siblings
0,
}
for i := len(input); i >= 0; i-- {
view, err := person.NewPersonV2View(input)
if g, e := err, chitin.ErrWrongSize; g != e {
t.Errorf("wrong error for truncated input @%d: %q (%T) != %q (%T), view=%#v", i, g, g, e, e, view)
}
}
}
func TestViewFieldBadLen(t *testing.T) {
input := []byte{
// age
0, 21,
// siblings
0, 3,
// len of name +1, bad because it'll overflow (signed) int
255,
255, 255, 255, 255, 255, 255, 255, 255,
}
view, err := person.NewPersonV2View(input)
if err != nil {
t.Fatalf("cannot open view: %v", err)
}
fields, err := view.Fields()
if g, e := err, io.ErrUnexpectedEOF; g != e {
t.Errorf("wrong error for large len: %q (%T) != %q (%T), fields=%#v", g, g, e, e, fields)
}
}
func TestViewFieldBadTruncatedLen(t *testing.T) {
input := []byte{
// age
0, 21,
// siblings
0, 3,
// len of name +1
5,
// name
'J', 'a', 'n', 'e',
// len of phone +1, truncated varuint
241,
}
view, err := person.NewPersonV2View(input)
if err != nil {
t.Fatalf("cannot open view: %v", err)
}
fields, err := view.Fields()
if g, e := err, io.ErrUnexpectedEOF; g != e {
t.Errorf("wrong error for large len: %q (%T) != %q (%T), fields=%#v", g, g, e, e, fields)
}
}