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marshal_test.go
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marshal_test.go
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// +build all unit
package gocql
import (
"bytes"
"math"
"math/big"
"net"
"reflect"
"strings"
"testing"
"time"
"gopkg.in/inf.v0"
)
type AliasInt int
var marshalTests = []struct {
Info TypeInfo
Data []byte
Value interface{}
MarshalError error
UnmarshalError error
}{
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte("hello world"),
[]byte("hello world"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte("hello world"),
"hello world",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte(nil),
[]byte(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte("hello world"),
MyString("hello world"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte("HELLO WORLD"),
CustomString("hello world"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBlob},
[]byte("hello\x00"),
[]byte("hello\x00"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBlob},
[]byte(nil),
[]byte(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimeUUID},
[]byte{0x3d, 0xcd, 0x98, 0x0, 0xf3, 0xd9, 0x11, 0xbf, 0x86, 0xd4, 0xb8, 0xe8, 0x56, 0x2c, 0xc, 0xd0},
func() UUID {
x, _ := UUIDFromBytes([]byte{0x3d, 0xcd, 0x98, 0x0, 0xf3, 0xd9, 0x11, 0xbf, 0x86, 0xd4, 0xb8, 0xe8, 0x56, 0x2c, 0xc, 0xd0})
return x
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimeUUID},
[]byte{0xb8, 0xe8, 0x56, 0x2c, 0xc, 0xd0},
[]byte{0xb8, 0xe8, 0x56, 0x2c, 0xc, 0xd0},
MarshalError("can not marshal []byte 6 bytes long into timeuuid, must be exactly 16 bytes long"),
UnmarshalError("Unable to parse UUID: UUIDs must be exactly 16 bytes long"),
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x00\x00\x00\x00"),
0,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x01\x02\x03\x04"),
int(16909060),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x01\x02\x03\x04"),
AliasInt(16909060),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x80\x00\x00\x00"),
int32(math.MinInt32),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x7f\xff\xff\xff"),
int32(math.MaxInt32),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x00\x00\x00\x00"),
"0",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x01\x02\x03\x04"),
"16909060",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x80\x00\x00\x00"),
"-2147483648", // math.MinInt32
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x7f\xff\xff\xff"),
"2147483647", // math.MaxInt32
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x00\x00\x00\x00\x00\x00\x00\x00"),
0,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x01\x02\x03\x04\x05\x06\x07\x08"),
72623859790382856,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x80\x00\x00\x00\x00\x00\x00\x00"),
int64(math.MinInt64),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x7f\xff\xff\xff\xff\xff\xff\xff"),
int64(math.MaxInt64),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x00\x00\x00\x00\x00\x00\x00\x00"),
"0",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x01\x02\x03\x04\x05\x06\x07\x08"),
"72623859790382856",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x80\x00\x00\x00\x00\x00\x00\x00"),
"-9223372036854775808", // math.MinInt64
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\x7f\xff\xff\xff\xff\xff\xff\xff"),
"9223372036854775807", // math.MaxInt64
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x00"),
false,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x01"),
true,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeFloat},
[]byte("\x40\x49\x0f\xdb"),
float32(3.14159265),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDouble},
[]byte("\x40\x09\x21\xfb\x53\xc8\xd4\xf1"),
float64(3.14159265),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x00\x00"),
inf.NewDec(0, 0),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x00\x64"),
inf.NewDec(100, 0),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x02\x19"),
decimalize("0.25"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x13\xD5\a;\x20\x14\xA2\x91"),
decimalize("-0.0012095473475870063"), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x13*\xF8\xC4\xDF\xEB]o"),
decimalize("0.0012095473475870063"), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x12\xF2\xD8\x02\xB6R\x7F\x99\xEE\x98#\x99\xA9V"),
decimalize("-1042342234234.123423435647768234"), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\r\nJ\x04\"^\x91\x04\x8a\xb1\x18\xfe"),
decimalize("1243878957943.1234124191998"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x06\xe5\xde]\x98Y"),
decimalize("-112233.441191"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x14\x00\xfa\xce"),
decimalize("0.00000000000000064206"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\x00\x00\x00\x14\xff\x052"),
decimalize("-0.00000000000000064206"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDecimal},
[]byte("\xff\xff\xff\x9c\x00\xfa\xce"),
inf.NewDec(64206, -100), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimestamp},
[]byte("\x00\x00\x01\x40\x77\x16\xe1\xb8"),
time.Date(2013, time.August, 13, 9, 52, 3, 0, time.UTC),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimestamp},
[]byte("\x00\x00\x01\x40\x77\x16\xe1\xb8"),
int64(1376387523000),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
[]int{1, 2},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
[2]int{1, 2},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeSet},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
[]int{1, 2},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeSet},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte{0, 0}, // encoding of a list should always include the size of the collection
[]int{},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x01\x00\x03foo\x00\x04\x00\x00\x00\x01"),
map[string]int{"foo": 1},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte{0, 0},
map[string]int{},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeVarchar},
},
bytes.Join([][]byte{
[]byte("\x00\x01\xFF\xFF"),
bytes.Repeat([]byte("X"), 65535)}, []byte("")),
[]string{strings.Repeat("X", 65535)},
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeVarchar},
},
bytes.Join([][]byte{
[]byte("\x00\x01\xFF\xFF"),
bytes.Repeat([]byte("X"), 65535),
[]byte("\xFF\xFF"),
bytes.Repeat([]byte("Y"), 65535)}, []byte("")),
map[string]string{
strings.Repeat("X", 65535): strings.Repeat("Y", 65535),
},
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarint},
[]byte("\x00"),
0,
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarint},
[]byte("\x37\xE2\x3C\xEC"),
int32(937573612),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarint},
[]byte("\x37\xE2\x3C\xEC"),
big.NewInt(937573612),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarint},
[]byte("\x03\x9EV \x15\f\x03\x9DK\x18\xCDI\\$?\a["),
bigintize("1231312312331283012830129382342342412123"), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarint},
[]byte("\xC9v\x8D:\x86"),
big.NewInt(-234234234234), // From the iconara/cql-rb test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarint},
[]byte("f\x1e\xfd\xf2\xe3\xb1\x9f|\x04_\x15"),
bigintize("123456789123456789123456789"), // From the datastax/python-driver test suite
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarint},
[]byte(nil),
nil,
nil,
UnmarshalError("can not unmarshal into non-pointer <nil>"),
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x7F\x00\x00\x01"),
net.ParseIP("127.0.0.1").To4(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xFF\xFF\xFF\xFF"),
net.ParseIP("255.255.255.255").To4(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x7F\x00\x00\x01"),
"127.0.0.1",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xFF\xFF\xFF\xFF"),
"255.255.255.255",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x21\xDA\x00\xd3\x00\x00\x2f\x3b\x02\xaa\x00\xff\xfe\x28\x9c\x5a"),
"21da:d3:0:2f3b:2aa:ff:fe28:9c5a",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xfe\x80\x00\x00\x00\x00\x00\x00\x02\x02\xb3\xff\xfe\x1e\x83\x29"),
"fe80::202:b3ff:fe1e:8329",
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x21\xDA\x00\xd3\x00\x00\x2f\x3b\x02\xaa\x00\xff\xfe\x28\x9c\x5a"),
net.ParseIP("21da:d3:0:2f3b:2aa:ff:fe28:9c5a"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\xfe\x80\x00\x00\x00\x00\x00\x00\x02\x02\xb3\xff\xfe\x1e\x83\x29"),
net.ParseIP("fe80::202:b3ff:fe1e:8329"),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte(nil),
nil,
nil,
UnmarshalError("can not unmarshal into non-pointer <nil>"),
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte("nullable string"),
func() *string {
value := "nullable string"
return &value
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte{},
(*string)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\x7f\xff\xff\xff"),
func() *int {
var value int = math.MaxInt32
return &value
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte(nil),
(*int)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimeUUID},
[]byte{0x3d, 0xcd, 0x98, 0x0, 0xf3, 0xd9, 0x11, 0xbf, 0x86, 0xd4, 0xb8, 0xe8, 0x56, 0x2c, 0xc, 0xd0},
&UUID{0x3d, 0xcd, 0x98, 0x0, 0xf3, 0xd9, 0x11, 0xbf, 0x86, 0xd4, 0xb8, 0xe8, 0x56, 0x2c, 0xc, 0xd0},
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimeUUID},
[]byte{},
(*UUID)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimestamp},
[]byte("\x00\x00\x01\x40\x77\x16\xe1\xb8"),
func() *time.Time {
t := time.Date(2013, time.August, 13, 9, 52, 3, 0, time.UTC)
return &t
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTimestamp},
[]byte(nil),
(*time.Time)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x00"),
func() *bool {
b := false
return &b
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte("\x01"),
func() *bool {
b := true
return &b
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBoolean},
[]byte(nil),
(*bool)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeFloat},
[]byte("\x40\x49\x0f\xdb"),
func() *float32 {
f := float32(3.14159265)
return &f
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeFloat},
[]byte(nil),
(*float32)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDouble},
[]byte("\x40\x09\x21\xfb\x53\xc8\xd4\xf1"),
func() *float64 {
d := float64(3.14159265)
return &d
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeDouble},
[]byte(nil),
(*float64)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte("\x7F\x00\x00\x01"),
func() *net.IP {
ip := net.ParseIP("127.0.0.1").To4()
return &ip
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInet},
[]byte(nil),
(*net.IP)(nil),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x02\x00\x04\x00\x00\x00\x01\x00\x04\x00\x00\x00\x02"),
func() *[]int {
l := []int{1, 2}
return &l
}(),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeList},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte(nil),
(*[]int)(nil),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte("\x00\x01\x00\x03foo\x00\x04\x00\x00\x00\x01"),
func() *map[string]int {
m := map[string]int{"foo": 1}
return &m
}(),
nil,
nil,
},
{
CollectionType{
NativeType: NativeType{proto: 2, typ: TypeMap},
Key: NativeType{proto: 2, typ: TypeVarchar},
Elem: NativeType{proto: 2, typ: TypeInt},
},
[]byte(nil),
(*map[string]int)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte("HELLO WORLD"),
func() *CustomString {
customString := CustomString("hello world")
return &customString
}(),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeVarchar},
[]byte(nil),
(*CustomString)(nil),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeSmallInt},
[]byte("\x7f\xff"),
32767, // math.MaxInt16
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeSmallInt},
[]byte("\x7f\xff"),
"32767", // math.MaxInt16
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeSmallInt},
[]byte("\x00\x01"),
int16(1),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeSmallInt},
[]byte("\xff\xff"),
int16(-1),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeSmallInt},
[]byte("\xff\xff"),
uint16(65535),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\x7f"),
127, // math.MaxInt8
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\x7f"),
"127", // math.MaxInt8
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\x01"),
int16(1),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
int16(-1),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint8(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint64(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint32(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint16(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeTinyInt},
[]byte("\xff"),
uint(255),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeBigInt},
[]byte("\xff\xff\xff\xff\xff\xff\xff\xff"),
uint64(math.MaxUint64),
nil,
nil,
},
{
NativeType{proto: 2, typ: TypeInt},
[]byte("\xff\xff\xff\xff"),
uint32(math.MaxUint32),
nil,
nil,
},
}
func decimalize(s string) *inf.Dec {
i, _ := new(inf.Dec).SetString(s)
return i
}
func bigintize(s string) *big.Int {
i, _ := new(big.Int).SetString(s, 10)
return i
}
func TestMarshal_Encode(t *testing.T) {
for i, test := range marshalTests {
if test.MarshalError == nil {
data, err := Marshal(test.Info, test.Value)
if err != nil {
t.Errorf("marshalTest[%d]: %v", i, err)
continue
}
if !bytes.Equal(data, test.Data) {
t.Errorf("marshalTest[%d]: expected %q, got %q (%#v)", i, test.Data, data, test.Value)
}
} else {
if _, err := Marshal(test.Info, test.Value); err != test.MarshalError {
t.Errorf("unmarshalTest[%d] (%v=>%t): %#v returned error %#v, want %#v.", i, test.Info, test.Value, test.Value, err, test.MarshalError)
}
}
}
}
func TestMarshal_Decode(t *testing.T) {
for i, test := range marshalTests {
if test.UnmarshalError == nil {
v := reflect.New(reflect.TypeOf(test.Value))
err := Unmarshal(test.Info, test.Data, v.Interface())
if err != nil {
t.Errorf("unmarshalTest[%d] (%v=>%T): %v", i, test.Info, test.Value, err)
continue
}
if !reflect.DeepEqual(v.Elem().Interface(), test.Value) {
t.Errorf("unmarshalTest[%d] (%v=>%T): expected %#v, got %#v.", i, test.Info, test.Value, test.Value, v.Elem().Interface())
}
} else {
if err := Unmarshal(test.Info, test.Data, test.Value); err != test.UnmarshalError {
t.Errorf("unmarshalTest[%d] (%v=>%t): %#v returned error %#v, want %#v.", i, test.Info, test.Value, test.Value, err, test.UnmarshalError)
}
}
}
}
func TestMarshalVarint(t *testing.T) {
varintTests := []struct {
Value interface{}
Marshaled []byte
Unmarshaled *big.Int
}{
{
Value: int8(0),
Marshaled: []byte("\x00"),
Unmarshaled: big.NewInt(0),
},
{
Value: uint8(255),
Marshaled: []byte("\x00\xFF"),
Unmarshaled: big.NewInt(255),
},
{
Value: int8(-1),
Marshaled: []byte("\xFF"),
Unmarshaled: big.NewInt(-1),
},
{
Value: big.NewInt(math.MaxInt32),
Marshaled: []byte("\x7F\xFF\xFF\xFF"),
Unmarshaled: big.NewInt(math.MaxInt32),
},
{
Value: big.NewInt(int64(math.MaxInt32) + 1),
Marshaled: []byte("\x00\x80\x00\x00\x00"),
Unmarshaled: big.NewInt(int64(math.MaxInt32) + 1),
},
{
Value: big.NewInt(math.MinInt32),
Marshaled: []byte("\x80\x00\x00\x00"),
Unmarshaled: big.NewInt(math.MinInt32),
},
{
Value: big.NewInt(int64(math.MinInt32) - 1),
Marshaled: []byte("\xFF\x7F\xFF\xFF\xFF"),
Unmarshaled: big.NewInt(int64(math.MinInt32) - 1),
},
{
Value: math.MinInt64,
Marshaled: []byte("\x80\x00\x00\x00\x00\x00\x00\x00"),
Unmarshaled: big.NewInt(math.MinInt64),
},
{
Value: uint64(math.MaxInt64) + 1,
Marshaled: []byte("\x00\x80\x00\x00\x00\x00\x00\x00\x00"),
Unmarshaled: bigintize("9223372036854775808"),
},
{
Value: bigintize("2361183241434822606848"), // 2**71
Marshaled: []byte("\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00"),
Unmarshaled: bigintize("2361183241434822606848"),
},
{
Value: bigintize("-9223372036854775809"), // -2**63 - 1
Marshaled: []byte("\xFF\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF"),
Unmarshaled: bigintize("-9223372036854775809"),
},
}
for i, test := range varintTests {
data, err := Marshal(NativeType{proto: 2, typ: TypeVarint}, test.Value)
if err != nil {
t.Errorf("error marshaling varint: %v (test #%d)", err, i)
}
if !bytes.Equal(test.Marshaled, data) {
t.Errorf("marshaled varint mismatch: expected %v, got %v (test #%d)", test.Marshaled, data, i)
}
binder := new(big.Int)
err = Unmarshal(NativeType{proto: 2, typ: TypeVarint}, test.Marshaled, binder)
if err != nil {
t.Errorf("error unmarshaling varint: %v (test #%d)", err, i)
}
if test.Unmarshaled.Cmp(binder) != 0 {
t.Errorf("unmarshaled varint mismatch: expected %v, got %v (test #%d)", test.Unmarshaled, binder, i)
}
}
varintUint64Tests := []struct {
Value interface{}
Marshaled []byte
Unmarshaled uint64
}{
{
Value: int8(0),
Marshaled: []byte("\x00"),
Unmarshaled: 0,
},
{
Value: uint8(255),