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|
package struc
import (
"bytes"
"testing"
)
type badFloat struct {
BadFloat int `struc:"float64"`
}
func TestBadFloatField(t *testing.T) {
buf := bytes.NewReader([]byte("00000000"))
err := Unpack(buf, &badFloat{})
if err == nil {
t.Fatal("failed to error on bad float unpack")
}
}
type emptyLengthField struct {
Strlen int `struc:"sizeof=Str"`
Str []byte
}
func TestEmptyLengthField(t *testing.T) {
var buf bytes.Buffer
s := &emptyLengthField{0, []byte("test")}
o := &emptyLengthField{}
if err := Pack(&buf, s); err != nil {
t.Fatal(err)
}
if err := Unpack(&buf, o); err != nil {
t.Fatal(err)
}
if !bytes.Equal(s.Str, o.Str) {
t.Fatal("empty length field encode failed")
}
}
type fixedSlicePad struct {
Field []byte `struc:"[4]byte"`
}
func TestFixedSlicePad(t *testing.T) {
var buf bytes.Buffer
ref := []byte{0, 0, 0, 0}
s := &fixedSlicePad{}
if err := Pack(&buf, s); err != nil {
t.Fatal(err)
}
if !bytes.Equal(buf.Bytes(), ref) {
t.Fatal("implicit fixed slice pack failed")
}
if err := Unpack(&buf, s); err != nil {
t.Fatal(err)
}
if !bytes.Equal(s.Field, ref) {
t.Fatal("implicit fixed slice unpack failed")
}
}
type sliceCap struct {
Len int `struc:"sizeof=Field"`
Field []byte
}
func TestSliceCap(t *testing.T) {
var buf bytes.Buffer
tmp := &sliceCap{0, []byte("1234")}
if err := Pack(&buf, tmp); err != nil {
t.Fatal(err)
}
tmp.Field = make([]byte, 0, 4)
if err := Unpack(&buf, tmp); err != nil {
t.Fatal(err)
}
}
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