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types_test.go
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package msgpack_test
import (
"bytes"
"encoding/hex"
"fmt"
"math"
"math/big"
"net/url"
"reflect"
"strings"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/vmihailenco/msgpack/v5"
"github.com/vmihailenco/msgpack/v5/msgpcode"
)
//------------------------------------------------------------------------------
type Object struct {
n int64
}
func (o *Object) MarshalMsgpack() ([]byte, error) {
return msgpack.Marshal(o.n)
}
func (o *Object) UnmarshalMsgpack(b []byte) error {
return msgpack.Unmarshal(b, &o.n)
}
//------------------------------------------------------------------------------
type CustomTime time.Time
func (t CustomTime) EncodeMsgpack(enc *msgpack.Encoder) error {
return enc.Encode(time.Time(t))
}
func (t *CustomTime) DecodeMsgpack(dec *msgpack.Decoder) error {
var tm time.Time
err := dec.Decode(&tm)
if err != nil {
return err
}
*t = CustomTime(tm)
return nil
}
//------------------------------------------------------------------------------
type IntSet map[int]struct{}
var (
_ msgpack.CustomEncoder = (*IntSet)(nil)
_ msgpack.CustomDecoder = (*IntSet)(nil)
)
func (set IntSet) EncodeMsgpack(enc *msgpack.Encoder) error {
slice := make([]int, 0, len(set))
for n := range set {
slice = append(slice, n)
}
return enc.Encode(slice)
}
func (setptr *IntSet) DecodeMsgpack(dec *msgpack.Decoder) error {
n, err := dec.DecodeArrayLen()
if err != nil {
return err
}
set := make(IntSet, n)
for i := 0; i < n; i++ {
n, err := dec.DecodeInt()
if err != nil {
return err
}
set[n] = struct{}{}
}
*setptr = set
return nil
}
//------------------------------------------------------------------------------
type CustomEncoder struct {
str string
ref *CustomEncoder
num int
}
var (
_ msgpack.CustomEncoder = (*CustomEncoder)(nil)
_ msgpack.CustomDecoder = (*CustomEncoder)(nil)
)
func (s *CustomEncoder) EncodeMsgpack(enc *msgpack.Encoder) error {
if s == nil {
return enc.EncodeNil()
}
return enc.EncodeMulti(s.str, s.ref, s.num)
}
func (s *CustomEncoder) DecodeMsgpack(dec *msgpack.Decoder) error {
return dec.DecodeMulti(&s.str, &s.ref, &s.num)
}
type CustomEncoderField struct {
Field CustomEncoder
}
type CustomEncoderEmbeddedPtr struct {
*CustomEncoder
}
func (s *CustomEncoderEmbeddedPtr) DecodeMsgpack(dec *msgpack.Decoder) error {
if s.CustomEncoder == nil {
s.CustomEncoder = new(CustomEncoder)
}
return s.CustomEncoder.DecodeMsgpack(dec)
}
//------------------------------------------------------------------------------
type JSONFallbackTest struct {
Foo string `json:"foo,omitempty"`
Bar string `json:",omitempty" msgpack:"bar"`
}
func TestUseJsonTag(t *testing.T) {
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
enc.SetCustomStructTag("json")
in := &JSONFallbackTest{Foo: "hello", Bar: "world"}
err := enc.Encode(in)
if err != nil {
t.Fatal(err)
}
dec := msgpack.NewDecoder(&buf)
dec.SetCustomStructTag("json")
out := new(JSONFallbackTest)
err = dec.Decode(out)
if err != nil {
t.Fatal(err)
}
if out.Foo != in.Foo {
t.Fatalf("got %q, wanted %q", out.Foo, in.Foo)
}
if out.Bar != in.Bar {
t.Fatalf("got %q, wanted %q", out.Foo, in.Foo)
}
}
//------------------------------------------------------------------------------
type CustomFallbackTest struct {
Foo string `custom:"foo,omitempty"`
Bar string `custom:",omitempty" msgpack:"bar"`
}
func TestUseCustomTag(t *testing.T) {
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
enc.SetCustomStructTag("custom")
in := &CustomFallbackTest{Foo: "hello", Bar: "world"}
err := enc.Encode(in)
if err != nil {
t.Fatal(err)
}
dec := msgpack.NewDecoder(&buf)
dec.SetCustomStructTag("custom")
out := new(CustomFallbackTest)
err = dec.Decode(out)
if err != nil {
t.Fatal(err)
}
if out.Foo != in.Foo || out.Foo != "hello" {
t.Fatalf("got %q, wanted %q", out.Foo, in.Foo)
}
if out.Bar != in.Bar || out.Bar != "world" {
t.Fatalf("got %q, wanted %q", out.Foo, in.Foo)
}
}
//------------------------------------------------------------------------------
type OmitTimeTest struct {
Foo time.Time `msgpack:",omitempty"`
Bar *time.Time `msgpack:",omitempty"`
}
type OmitEmptyTest struct {
Foo string `msgpack:",omitempty"`
Bar string `msgpack:",omitempty"`
}
type InlineTest struct {
OmitEmptyTest
}
type InlinePtrTest struct {
*OmitEmptyTest
}
type FooTest struct {
Foo string
}
type FooDupTest FooTest
type InlineDupTest struct {
FooTest
FooDupTest
}
type AsArrayTest struct {
_msgpack struct{} `msgpack:",as_array"`
OmitEmptyTest
}
type ExtTestField struct {
ExtTest ExtTest
}
//------------------------------------------------------------------------------
type encoderTest struct {
in interface{}
wanted string
}
var encoderTests = []encoderTest{
{nil, "c0"},
{[]byte(nil), "c0"},
{[]byte{1, 2, 3}, "c403010203"},
{[3]byte{1, 2, 3}, "c403010203"},
{time.Unix(0, 0), "d6ff00000000"},
{time.Unix(1, 1), "d7ff0000000400000001"},
{time.Time{}, "c70cff00000000fffffff1886e0900"},
{IntSet{}, "90"},
{IntSet{8: struct{}{}}, "9108"},
{map[string]string(nil), "c0"},
{
map[string]string{"a": "", "b": "", "c": "", "d": "", "e": ""},
"85a161a0a162a0a163a0a164a0a165a0",
},
{(*Object)(nil), "c0"},
{&Object{}, "d30000000000000000"},
{&Object{42}, "d3000000000000002a"},
{[]*Object{nil, nil}, "92c0c0"},
{&CustomEncoder{}, "a0c000"},
{
&CustomEncoder{"a", &CustomEncoder{"b", nil, 7}, 6},
"a161a162c00706",
},
{OmitEmptyTest{}, "80"},
{&OmitEmptyTest{Foo: "hello"}, "81a3466f6fa568656c6c6f"},
{&InlineTest{OmitEmptyTest: OmitEmptyTest{Bar: "world"}}, "81a3426172a5776f726c64"},
{&InlinePtrTest{OmitEmptyTest: &OmitEmptyTest{Bar: "world"}}, "81a3426172a5776f726c64"},
{&AsArrayTest{}, "92a0a0"},
{&JSONFallbackTest{Foo: "hello"}, "82a3666f6fa568656c6c6fa3626172a0"},
{&JSONFallbackTest{Bar: "world"}, "81a3626172a5776f726c64"},
{&JSONFallbackTest{Foo: "hello", Bar: "world"}, "82a3666f6fa568656c6c6fa3626172a5776f726c64"},
{&NoIntern{A: "foo", B: "foo", C: "foo"}, "83a141a3666f6fa142a3666f6fa143a3666f6f"},
{&Intern{A: "foo", B: "foo", C: "foo"}, "83a141a3666f6fa142d48000a143d48000"},
}
func TestEncoder(t *testing.T) {
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
enc.SetCustomStructTag("json")
enc.SetSortMapKeys(true)
enc.UseCompactInts(true)
for i, test := range encoderTests {
buf.Reset()
err := enc.Encode(test.in)
require.Nil(t, err)
s := hex.EncodeToString(buf.Bytes())
require.Equal(t, test.wanted, s, "#%d", i)
}
}
type floatEncoderTest struct {
in interface{}
wanted string
compact bool
}
var floatEncoderTests = []floatEncoderTest{
{float32(3.0), "ca40400000", false},
{float32(3.0), "03", true},
{float64(3.0), "cb4008000000000000", false},
{float64(3.0), "03", true},
{float64(-3.0), "cbc008000000000000", false},
{float64(-3.0), "fd", true},
{math.NaN(), "cb7ff8000000000001", false},
{math.NaN(), "cb7ff8000000000001", true},
{math.Inf(1), "cb7ff0000000000000", false},
{math.Inf(1), "cb7ff0000000000000", true},
}
func TestFloatEncoding(t *testing.T) {
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
enc.UseCompactInts(true)
for _, test := range floatEncoderTests {
buf.Reset()
enc.UseCompactFloats(test.compact)
err := enc.Encode(test.in)
if err != nil {
t.Fatal(err)
}
s := hex.EncodeToString(buf.Bytes())
if s != test.wanted {
t.Fatalf("%s != %s (in=%#v)", s, test.wanted, test.in)
}
}
}
//------------------------------------------------------------------------------
type decoderTest struct {
b []byte
out interface{}
err string
}
var decoderTests = []decoderTest{
{b: []byte{byte(msgpcode.Bin32), 0x0f, 0xff, 0xff, 0xff}, out: new([]byte), err: "EOF"},
{b: []byte{byte(msgpcode.Str32), 0x0f, 0xff, 0xff, 0xff}, out: new([]byte), err: "EOF"},
{b: []byte{byte(msgpcode.Array32), 0x0f, 0xff, 0xff, 0xff}, out: new([]int), err: "EOF"},
{b: []byte{byte(msgpcode.Map32), 0x0f, 0xff, 0xff, 0xff}, out: new(map[int]int), err: "EOF"},
}
func TestDecoder(t *testing.T) {
for i, test := range decoderTests {
err := msgpack.Unmarshal(test.b, test.out)
if err == nil {
t.Fatalf("#%d err is nil, wanted %q", i, test.err)
}
if err.Error() != test.err {
t.Fatalf("#%d err is %q, wanted %q", i, err.Error(), test.err)
}
}
}
//------------------------------------------------------------------------------
type unexported struct {
Foo string
}
type Exported struct {
Bar string
}
type EmbeddingTest struct {
unexported
Exported
}
type EmbeddingPtrTest struct {
*Exported
}
type EmbeddedTime struct {
time.Time
}
type (
interfaceAlias interface{}
byteAlias byte
uint8Alias uint8
stringAlias string
sliceByte []byte
sliceString []string
mapStringString map[string]string
mapStringInterface map[string]interface{}
)
type StructTest struct {
F1 sliceString
F2 []string
}
type typeTest struct {
*testing.T
in interface{}
out interface{}
encErr string
decErr string
wantnil bool
wantzero bool
wanted interface{}
}
func (t typeTest) String() string {
return fmt.Sprintf("in=%#v, out=%#v", t.in, t.out)
}
func (t *typeTest) requireErr(err error, s string) {
if err == nil {
t.Fatalf("got %v error, wanted %q", err, s)
}
if err.Error() != s {
t.Fatalf("got %q error, wanted %q", err, s)
}
}
var (
intSlice = make([]int, 0, 3)
repoURL, _ = url.Parse("https://github.com/vmihailenco/msgpack")
typeTests = []typeTest{
{in: make(chan bool), encErr: "msgpack: Encode(unsupported chan bool)"},
{in: nil, out: nil, decErr: "msgpack: Decode(nil)"},
{in: nil, out: 0, decErr: "msgpack: Decode(non-pointer int)"},
{in: nil, out: (*int)(nil), decErr: "msgpack: Decode(non-settable *int)"},
{in: nil, out: new(chan bool), decErr: "msgpack: Decode(unsupported chan bool)"},
{in: true, out: new(bool)},
{in: false, out: new(bool)},
{in: nil, out: new(int), wanted: int(0)},
{in: nil, out: new(*int), wantnil: true},
{in: float32(3.14), out: new(float32)},
{in: int8(-1), out: new(float32), wanted: float32(-1)},
{in: int32(1), out: new(float32), wanted: float32(1)},
{in: int32(999999999), out: new(float32), wanted: float32(999999999)},
{in: int64(math.MaxInt64), out: new(float32), wanted: float32(math.MaxInt64)},
{in: float64(3.14), out: new(float64)},
{in: int8(-1), out: new(float64), wanted: float64(-1)},
{in: int64(1), out: new(float64), wanted: float64(1)},
{in: int64(999999999), out: new(float64), wanted: float64(999999999)},
{in: int64(math.MaxInt64), out: new(float64), wanted: float64(math.MaxInt64)},
{in: nil, out: new(*string), wantnil: true},
{in: nil, out: new(string), wanted: ""},
{in: "", out: new(string)},
{in: "foo", out: new(string)},
{in: nil, out: new([]byte), wantnil: true},
{in: []byte(nil), out: new([]byte), wantnil: true},
{in: []byte(nil), out: &[]byte{}, wantnil: true},
{in: []byte{1, 2, 3}, out: new([]byte)},
{in: []byte{1, 2, 3}, out: new([]byte)},
{in: sliceByte{1, 2, 3}, out: new(sliceByte)},
{in: []byteAlias{1, 2, 3}, out: new([]byteAlias)},
{in: []uint8Alias{1, 2, 3}, out: new([]uint8Alias)},
{in: nil, out: new([3]byte), wanted: [3]byte{}},
{in: [3]byte{1, 2, 3}, out: new([3]byte)},
{in: [3]byte{1, 2, 3}, out: new([2]byte), decErr: "[2]uint8 len is 2, but msgpack has 3 elements"},
{in: nil, out: new([]interface{}), wantnil: true},
{in: nil, out: new([]interface{}), wantnil: true},
{in: []interface{}{int8(1), "hello"}, out: new([]interface{})},
{in: nil, out: new([]int), wantnil: true},
{in: nil, out: &[]int{1, 2}, wantnil: true},
{in: []int(nil), out: new([]int), wantnil: true},
{in: make([]int, 0), out: new([]int)},
{in: []int{}, out: new([]int)},
{in: []int{1, 2, 3}, out: new([]int)},
{in: []int{1, 2, 3}, out: &intSlice},
{in: [3]int{1, 2, 3}, out: new([3]int)},
{in: [3]int{1, 2, 3}, out: new([2]int), decErr: "[2]int len is 2, but msgpack has 3 elements"},
{in: []string(nil), out: new([]string), wantnil: true},
{in: []string{}, out: new([]string)},
{in: []string{"a", "b"}, out: new([]string)},
{in: [2]string{"a", "b"}, out: new([2]string)},
{in: sliceString{"foo", "bar"}, out: new(sliceString)},
{in: []stringAlias{"hello"}, out: new([]stringAlias)},
{in: nil, out: new(map[string]string), wantnil: true},
{in: nil, out: new(map[int]int), wantnil: true},
{in: nil, out: &map[string]string{"foo": "bar"}, wantnil: true},
{in: nil, out: &map[int]int{1: 2}, wantnil: true},
{in: map[string]string(nil), out: new(map[string]string)},
{in: map[string]interface{}{"foo": nil}, out: new(map[string]interface{})},
{in: mapStringString{"foo": "bar"}, out: new(mapStringString)},
{in: map[stringAlias]stringAlias{"foo": "bar"}, out: new(map[stringAlias]stringAlias)},
{in: mapStringInterface{"foo": "bar"}, out: new(mapStringInterface)},
{in: map[stringAlias]interfaceAlias{"foo": "bar"}, out: new(map[stringAlias]interfaceAlias)},
{in: map[int]string{1: "string"}, out: new(map[int]string)},
{in: (*Object)(nil), out: new(*Object)},
{in: &Object{42}, out: new(Object)},
{in: []*Object{new(Object), new(Object)}, out: new([]*Object)},
{in: IntSet{}, out: new(IntSet)},
{in: IntSet{42: struct{}{}}, out: new(IntSet)},
{in: IntSet{42: struct{}{}}, out: new(*IntSet)},
{in: StructTest{sliceString{"foo", "bar"}, []string{"hello"}}, out: new(StructTest)},
{in: StructTest{sliceString{"foo", "bar"}, []string{"hello"}}, out: new(*StructTest)},
{in: EmbeddingTest{}, out: new(EmbeddingTest)},
{
in: EmbeddingTest{},
out: new(EmbeddingPtrTest),
wanted: EmbeddingPtrTest{Exported: new(Exported)},
},
{
in: EmbeddingPtrTest{},
out: new(EmbeddingPtrTest),
wanted: EmbeddingPtrTest{Exported: new(Exported)},
},
{in: EmbeddingTest{}, out: new(*EmbeddingTest)},
{
in: EmbeddingTest{
unexported: unexported{Foo: "hello"},
Exported: Exported{Bar: "world"},
},
out: new(EmbeddingTest),
},
{in: time.Unix(0, 0), out: new(time.Time)},
{in: new(time.Time), out: new(time.Time)},
{in: time.Unix(0, 1), out: new(time.Time)},
{in: time.Unix(1, 0), out: new(time.Time)},
{in: time.Unix(1, 1), out: new(time.Time)},
{
in: time.Unix(0, 0).Format(time.RFC3339),
out: new(time.Time),
wanted: mustParseTime(time.RFC3339, time.Unix(0, 0).Format(time.RFC3339)),
},
{in: EmbeddedTime{Time: time.Unix(1, 1)}, out: new(EmbeddedTime)},
{in: EmbeddedTime{Time: time.Unix(1, 1)}, out: new(*EmbeddedTime)},
{in: CustomTime(time.Unix(0, 0)), out: new(CustomTime)},
{in: nil, out: new(*CustomEncoder), wantnil: true},
{in: nil, out: &CustomEncoder{str: "a"}, wantzero: true},
{
in: &CustomEncoder{"a", &CustomEncoder{"b", nil, 1}, 2},
out: new(CustomEncoder),
},
{
in: &CustomEncoderField{Field: CustomEncoder{"a", nil, 1}},
out: new(CustomEncoderField),
},
{
in: &CustomEncoderEmbeddedPtr{&CustomEncoder{"a", nil, 1}},
out: new(CustomEncoderEmbeddedPtr),
},
{in: repoURL, out: new(url.URL)},
{in: repoURL, out: new(*url.URL)},
{in: OmitEmptyTest{}, out: new(OmitEmptyTest)},
{in: OmitTimeTest{}, out: new(OmitTimeTest)},
{in: nil, out: new(*AsArrayTest), wantnil: true},
{in: nil, out: new(AsArrayTest), wantzero: true},
{in: AsArrayTest{OmitEmptyTest: OmitEmptyTest{"foo", "bar"}}, out: new(AsArrayTest)},
{
in: AsArrayTest{OmitEmptyTest: OmitEmptyTest{"foo", "bar"}},
out: new(unexported),
decErr: "msgpack: number of fields in array-encoded struct has changed",
},
{in: (*EventTime)(nil), out: new(*EventTime)},
{in: &EventTime{time.Unix(0, 0)}, out: new(*EventTime)},
{in: (*ExtTest)(nil), out: new(*ExtTest)},
{in: &ExtTest{"world"}, out: new(*ExtTest), wanted: ExtTest{"hello world"}},
{
in: &ExtTestField{ExtTest{"world"}},
out: new(*ExtTestField),
wanted: ExtTestField{ExtTest{"hello world"}},
},
{
in: &InlineTest{OmitEmptyTest: OmitEmptyTest{Bar: "world"}},
out: new(InlineTest),
},
{
in: &InlinePtrTest{OmitEmptyTest: &OmitEmptyTest{Bar: "world"}},
out: new(InlinePtrTest),
},
{
in: InlineDupTest{FooTest{"foo"}, FooDupTest{"foo"}},
out: new(InlineDupTest),
},
{in: big.NewInt(123), out: new(big.Int)},
}
)
func indirect(viface interface{}) interface{} {
v := reflect.ValueOf(viface)
for v.Kind() == reflect.Ptr {
v = v.Elem()
}
if v.IsValid() {
return v.Interface()
}
return nil
}
func TestTypes(t *testing.T) {
msgpack.RegisterExt(1, (*EventTime)(nil))
for _, test := range typeTests {
test.T = t
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
err := enc.Encode(test.in)
if test.encErr != "" {
test.requireErr(err, test.encErr)
continue
}
if err != nil {
t.Fatalf("Encode failed: %s (in=%#v)", err, test.in)
}
dec := msgpack.NewDecoder(&buf)
err = dec.Decode(test.out)
if test.decErr != "" {
test.requireErr(err, test.decErr)
continue
}
if err != nil {
t.Fatalf("Decode failed: %s (%s)", err, test)
}
if buf.Len() > 0 {
t.Fatalf("unread data in the buffer: %q (%s)", buf.Bytes(), test)
}
if test.wantnil {
v := reflect.Indirect(reflect.ValueOf(test.out))
if !v.IsNil() {
t.Fatalf("got %#v, wanted nil (%s)", test.out, test)
}
continue
}
out := indirect(test.out)
var wanted interface{}
if test.wantzero {
typ := reflect.TypeOf(out)
wanted = reflect.Zero(typ).Interface()
} else {
wanted = test.wanted
}
if wanted == nil {
wanted = indirect(test.in)
}
require.Equal(t, wanted, out)
}
for _, test := range typeTests {
if test.encErr != "" || test.decErr != "" {
continue
}
b, err := msgpack.Marshal(test.in)
if err != nil {
t.Fatal(err)
}
var dst interface{}
dec := msgpack.NewDecoder(bytes.NewReader(b))
dec.SetMapDecoder(func(dec *msgpack.Decoder) (interface{}, error) {
return dec.DecodeUntypedMap()
})
err = dec.Decode(&dst)
if err != nil {
t.Fatalf("Unmarshal into interface{} failed: %s (%s)", err, test)
}
dec = msgpack.NewDecoder(bytes.NewReader(b))
dec.SetMapDecoder(func(dec *msgpack.Decoder) (interface{}, error) {
return dec.DecodeUntypedMap()
})
_, err = dec.DecodeInterface()
if err != nil {
t.Fatalf("DecodeInterface failed: %s (%s)", err, test)
}
}
}
func TestStringsBin(t *testing.T) {
tests := []struct {
in string
wanted string
}{
{"", "a0"},
{"a", "a161"},
{"hello", "a568656c6c6f"},
{
strings.Repeat("x", 31),
"bf" + strings.Repeat("78", 31),
},
{
strings.Repeat("x", 32),
"d920" + strings.Repeat("78", 32),
},
{
strings.Repeat("x", 255),
"d9ff" + strings.Repeat("78", 255),
},
{
strings.Repeat("x", 256),
"da0100" + strings.Repeat("78", 256),
},
{
strings.Repeat("x", 65535),
"daffff" + strings.Repeat("78", 65535),
},
{
strings.Repeat("x", 65536),
"db00010000" + strings.Repeat("78", 65536),
},
}
for _, test := range tests {
b, err := msgpack.Marshal(test.in)
require.Nil(t, err)
s := hex.EncodeToString(b)
require.Equal(t, s, test.wanted)
var out string
err = msgpack.Unmarshal(b, &out)
require.Nil(t, err)
require.Equal(t, out, test.in)
var msg msgpack.RawMessage
err = msgpack.Unmarshal(b, &msg)
require.Nil(t, err)
require.Equal(t, []byte(msg), b)
dec := msgpack.NewDecoder(bytes.NewReader(b))
v, err := dec.DecodeInterface()
require.Nil(t, err)
require.Equal(t, v.(string), test.in)
var dst interface{}
dst = ""
err = msgpack.Unmarshal(b, &dst)
require.EqualError(t, err, "msgpack: Decode(non-pointer string)")
}
}
func TestBin(t *testing.T) {
tests := []struct {
in []byte
wanted string
}{
{[]byte{}, "c400"},
{[]byte{0}, "c40100"},
{
bytes.Repeat([]byte{'x'}, 31),
"c41f" + strings.Repeat("78", 31),
},
{
bytes.Repeat([]byte{'x'}, 32),
"c420" + strings.Repeat("78", 32),
},
{
bytes.Repeat([]byte{'x'}, 255),
"c4ff" + strings.Repeat("78", 255),
},
{
bytes.Repeat([]byte{'x'}, 256),
"c50100" + strings.Repeat("78", 256),
},
{
bytes.Repeat([]byte{'x'}, 65535),
"c5ffff" + strings.Repeat("78", 65535),
},
{
bytes.Repeat([]byte{'x'}, 65536),
"c600010000" + strings.Repeat("78", 65536),
},
}
for _, test := range tests {
b, err := msgpack.Marshal(test.in)
if err != nil {
t.Fatal(err)
}
s := hex.EncodeToString(b)
if s != test.wanted {
t.Fatalf("%.32s != %.32s", s, test.wanted)
}
var out []byte
err = msgpack.Unmarshal(b, &out)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(out, test.in) {
t.Fatalf("%x != %x", out, test.in)
}
dec := msgpack.NewDecoder(bytes.NewReader(b))
v, err := dec.DecodeInterface()
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(v.([]byte), test.in) {
t.Fatalf("%x != %x", v, test.in)
}
var dst interface{}
dst = make([]byte, 0)
err = msgpack.Unmarshal(b, &dst)
if err.Error() != "msgpack: Decode(non-pointer []uint8)" {
t.Fatal(err)
}
}
}
func TestUint64(t *testing.T) {
tests := []struct {
in uint64
wanted string
}{
{0, "00"},
{1, "01"},
{math.MaxInt8 - 1, "7e"},
{math.MaxInt8, "7f"},
{math.MaxInt8 + 1, "cc80"},
{math.MaxUint8 - 1, "ccfe"},
{math.MaxUint8, "ccff"},
{math.MaxUint8 + 1, "cd0100"},
{math.MaxUint16 - 1, "cdfffe"},
{math.MaxUint16, "cdffff"},
{math.MaxUint16 + 1, "ce00010000"},
{math.MaxUint32 - 1, "cefffffffe"},
{math.MaxUint32, "ceffffffff"},
{math.MaxUint32 + 1, "cf0000000100000000"},
{math.MaxInt64 - 1, "cf7ffffffffffffffe"},
{math.MaxInt64, "cf7fffffffffffffff"},
}
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
enc.UseCompactInts(true)
for _, test := range tests {
err := enc.Encode(test.in)
if err != nil {
t.Fatal(err)
}
s := hex.EncodeToString(buf.Bytes())
if s != test.wanted {
t.Fatalf("%.32s != %.32s", s, test.wanted)
}
var out uint64
err = msgpack.Unmarshal(buf.Bytes(), &out)
if err != nil {
t.Fatal(err)
}
if out != test.in {
t.Fatalf("%d != %d", out, test.in)
}
var out2 int64
err = msgpack.Unmarshal(buf.Bytes(), &out2)
if err != nil {
t.Fatal(err)
}
if out2 != int64(test.in) {
t.Fatalf("%d != %d", out2, int64(test.in))
}
var out3 interface{}
out3 = uint64(0)
err = msgpack.Unmarshal(buf.Bytes(), &out3)
if err.Error() != "msgpack: Decode(non-pointer uint64)" {
t.Fatal(err)
}
dec := msgpack.NewDecoder(&buf)
_, err = dec.DecodeInterface()
if err != nil {
t.Fatal(err)
}
if buf.Len() != 0 {
panic("buffer is not empty")
}
}
}
func TestInt64(t *testing.T) {
tests := []struct {
in int64
wanted string
}{
{math.MinInt64, "d38000000000000000"},
{math.MinInt32 - 1, "d3ffffffff7fffffff"},
{math.MinInt32, "d280000000"},
{math.MinInt32 + 1, "d280000001"},
{math.MinInt16 - 1, "d2ffff7fff"},
{math.MinInt16, "d18000"},
{math.MinInt16 + 1, "d18001"},
{math.MinInt8 - 1, "d1ff7f"},
{math.MinInt8, "d080"},
{math.MinInt8 + 1, "d081"},
{-33, "d0df"},
{-32, "e0"},
{-31, "e1"},
{-1, "ff"},
{0, "00"},
{1, "01"},
{math.MaxInt8 - 1, "7e"},
{math.MaxInt8, "7f"},
{math.MaxInt8 + 1, "cc80"},
{math.MaxUint8 - 1, "ccfe"},
{math.MaxUint8, "ccff"},
{math.MaxUint8 + 1, "cd0100"},
{math.MaxUint16 - 1, "cdfffe"},
{math.MaxUint16, "cdffff"},
{math.MaxUint16 + 1, "ce00010000"},
{math.MaxUint32 - 1, "cefffffffe"},
{math.MaxUint32, "ceffffffff"},
{math.MaxUint32 + 1, "cf0000000100000000"},
{math.MaxInt64 - 1, "cf7ffffffffffffffe"},
{math.MaxInt64, "cf7fffffffffffffff"},
}
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
enc.UseCompactInts(true)
for _, test := range tests {
err := enc.Encode(test.in)
if err != nil {
t.Fatal(err)
}
s := hex.EncodeToString(buf.Bytes())
if s != test.wanted {
t.Fatalf("%.32s != %.32s", s, test.wanted)
}
var out int64
err = msgpack.Unmarshal(buf.Bytes(), &out)
if err != nil {
t.Fatal(err)
}
if out != test.in {
t.Fatalf("%d != %d", out, test.in)
}
var out2 uint64
err = msgpack.Unmarshal(buf.Bytes(), &out2)
if err != nil {
t.Fatal(err)
}
if out2 != uint64(test.in) {
t.Fatalf("%d != %d", out2, uint64(test.in))
}