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decode_test.go
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// Copyright (c) Faye Amacker. All rights reserved.
// Licensed under the MIT License. See LICENSE in the project root for license information.
package cbor
import (
"bytes"
"encoding/binary"
"encoding/hex"
"errors"
"fmt"
"io"
"math"
"math/big"
"reflect"
"strings"
"testing"
"time"
)
var (
typeBool = reflect.TypeOf(true)
typeUint8 = reflect.TypeOf(uint8(0))
typeUint16 = reflect.TypeOf(uint16(0))
typeUint32 = reflect.TypeOf(uint32(0))
typeUint64 = reflect.TypeOf(uint64(0))
typeInt8 = reflect.TypeOf(int8(0))
typeInt16 = reflect.TypeOf(int16(0))
typeInt32 = reflect.TypeOf(int32(0))
typeInt64 = reflect.TypeOf(int64(0))
typeFloat32 = reflect.TypeOf(float32(0))
typeFloat64 = reflect.TypeOf(float64(0))
typeString = reflect.TypeOf("")
typeByteSlice = reflect.TypeOf([]byte(nil))
typeByteArray = reflect.TypeOf([5]byte{})
typeIntSlice = reflect.TypeOf([]int{})
typeStringSlice = reflect.TypeOf([]string{})
typeMapStringInt = reflect.TypeOf(map[string]int{})
typeMapStringString = reflect.TypeOf(map[string]string{})
typeMapStringIntf = reflect.TypeOf(map[string]interface{}{})
)
type unmarshalTest struct {
cborData []byte
emptyInterfaceValue interface{}
values []interface{}
wrongTypes []reflect.Type
}
var unmarshalTests = []unmarshalTest{
// CBOR test data are from https://tools.ietf.org/html/rfc7049#appendix-A.
// positive integer
{
hexDecode("00"),
uint64(0),
[]interface{}{uint8(0), uint16(0), uint32(0), uint64(0), uint(0), int8(0), int16(0), int32(0), int64(0), int(0), float32(0), float64(0), bigIntOrPanic("0")},
[]reflect.Type{typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("01"),
uint64(1),
[]interface{}{uint8(1), uint16(1), uint32(1), uint64(1), uint(1), int8(1), int16(1), int32(1), int64(1), int(1), float32(1), float64(1), bigIntOrPanic("1")},
[]reflect.Type{typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("0a"),
uint64(10),
[]interface{}{uint8(10), uint16(10), uint32(10), uint64(10), uint(10), int8(10), int16(10), int32(10), int64(10), int(10), float32(10), float64(10), bigIntOrPanic("10")},
[]reflect.Type{typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("17"),
uint64(23),
[]interface{}{uint8(23), uint16(23), uint32(23), uint64(23), uint(23), int8(23), int16(23), int32(23), int64(23), int(23), float32(23), float64(23), bigIntOrPanic("23")},
[]reflect.Type{typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("1818"),
uint64(24),
[]interface{}{uint8(24), uint16(24), uint32(24), uint64(24), uint(24), int8(24), int16(24), int32(24), int64(24), int(24), float32(24), float64(24), bigIntOrPanic("24")},
[]reflect.Type{typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("1819"),
uint64(25),
[]interface{}{uint8(25), uint16(25), uint32(25), uint64(25), uint(25), int8(25), int16(25), int32(25), int64(25), int(25), float32(25), float64(25), bigIntOrPanic("25")},
[]reflect.Type{typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("1864"),
uint64(100),
[]interface{}{uint8(100), uint16(100), uint32(100), uint64(100), uint(100), int8(100), int16(100), int32(100), int64(100), int(100), float32(100), float64(100), bigIntOrPanic("100")},
[]reflect.Type{typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("1903e8"),
uint64(1000),
[]interface{}{uint16(1000), uint32(1000), uint64(1000), uint(1000), int16(1000), int32(1000), int64(1000), int(1000), float32(1000), float64(1000), bigIntOrPanic("1000")},
[]reflect.Type{typeUint8, typeInt8, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("1a000f4240"),
uint64(1000000),
[]interface{}{uint32(1000000), uint64(1000000), uint(1000000), int32(1000000), int64(1000000), int(1000000), float32(1000000), float64(1000000), bigIntOrPanic("1000000")},
[]reflect.Type{typeUint8, typeUint16, typeInt8, typeInt16, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("1b000000e8d4a51000"),
uint64(1000000000000),
[]interface{}{uint64(1000000000000), uint(1000000000000), int64(1000000000000), int(1000000000000), float32(1000000000000), float64(1000000000000), bigIntOrPanic("1000000000000")},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeInt8, typeInt16, typeInt32, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("1bffffffffffffffff"),
uint64(18446744073709551615),
[]interface{}{uint64(18446744073709551615), uint(18446744073709551615), float32(18446744073709551615), float64(18446744073709551615), bigIntOrPanic("18446744073709551615")},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeInt8, typeInt16, typeInt32, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
// negative integer
{
hexDecode("20"),
int64(-1),
[]interface{}{int8(-1), int16(-1), int32(-1), int64(-1), int(-1), float32(-1), float64(-1), bigIntOrPanic("-1")},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("29"),
int64(-10),
[]interface{}{int8(-10), int16(-10), int32(-10), int64(-10), int(-10), float32(-10), float64(-10), bigIntOrPanic("-10")},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("3863"),
int64(-100),
[]interface{}{int8(-100), int16(-100), int32(-100), int64(-100), int(-100), float32(-100), float64(-100), bigIntOrPanic("-100")},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("3903e7"),
int64(-1000),
[]interface{}{int16(-1000), int32(-1000), int64(-1000), int(-1000), float32(-1000), float64(-1000), bigIntOrPanic("-1000")},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("3bffffffffffffffff"),
bigIntOrPanic("-18446744073709551616"),
[]interface{}{bigIntOrPanic("-18446744073709551616")},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
}, // CBOR value -18446744073709551616 overflows Go's int64, see TestNegIntOverflow
// byte string
{
hexDecode("40"),
[]byte{},
[]interface{}{[]byte{}, [0]byte{}, [1]byte{0}, [5]byte{0, 0, 0, 0, 0}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("4401020304"),
[]byte{1, 2, 3, 4},
[]interface{}{[]byte{1, 2, 3, 4}, [0]byte{}, [1]byte{1}, [5]byte{1, 2, 3, 4, 0}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("5f42010243030405ff"),
[]byte{1, 2, 3, 4, 5},
[]interface{}{[]byte{1, 2, 3, 4, 5}, [0]byte{}, [1]byte{1}, [5]byte{1, 2, 3, 4, 5}, [6]byte{1, 2, 3, 4, 5, 0}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
// text string
{
hexDecode("60"),
"",
[]interface{}{""},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("6161"),
"a",
[]interface{}{"a"},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("6449455446"),
"IETF",
[]interface{}{"IETF"},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("62225c"),
"\"\\",
[]interface{}{"\"\\"},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("62c3bc"),
"ü",
[]interface{}{"ü"},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("63e6b0b4"),
"水",
[]interface{}{"水"},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("64f0908591"),
"𐅑",
[]interface{}{"𐅑"},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("7f657374726561646d696e67ff"),
"streaming",
[]interface{}{"streaming"},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
// array
{
hexDecode("80"),
[]interface{}{},
[]interface{}{[]interface{}{}, []byte{}, []string{}, []int{}, [0]int{}, [1]int{0}, [5]int{0}, []float32{}, []float64{}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("83010203"),
[]interface{}{uint64(1), uint64(2), uint64(3)},
[]interface{}{[]interface{}{uint64(1), uint64(2), uint64(3)}, []byte{1, 2, 3}, []int{1, 2, 3}, []uint{1, 2, 3}, [0]int{}, [1]int{1}, [3]int{1, 2, 3}, [5]int{1, 2, 3, 0, 0}, []float32{1, 2, 3}, []float64{1, 2, 3}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("8301820203820405"),
[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}},
[]interface{}{[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}, [...]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("83018202039f0405ff"),
[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}},
[]interface{}{[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}, [...]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("83019f0203ff820405"),
[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}},
[]interface{}{[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}, [...]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("98190102030405060708090a0b0c0d0e0f101112131415161718181819"),
[]interface{}{uint64(1), uint64(2), uint64(3), uint64(4), uint64(5), uint64(6), uint64(7), uint64(8), uint64(9), uint64(10), uint64(11), uint64(12), uint64(13), uint64(14), uint64(15), uint64(16), uint64(17), uint64(18), uint64(19), uint64(20), uint64(21), uint64(22), uint64(23), uint64(24), uint64(25)},
[]interface{}{
[]interface{}{uint64(1), uint64(2), uint64(3), uint64(4), uint64(5), uint64(6), uint64(7), uint64(8), uint64(9), uint64(10), uint64(11), uint64(12), uint64(13), uint64(14), uint64(15), uint64(16), uint64(17), uint64(18), uint64(19), uint64(20), uint64(21), uint64(22), uint64(23), uint64(24), uint64(25)},
[]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[]uint{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[0]int{},
[1]int{1},
[...]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[30]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0},
[]float32{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[]float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("9fff"),
[]interface{}{},
[]interface{}{[]interface{}{}, []byte{}, []string{}, []int{}, [0]int{}, [1]int{0}, [5]int{0, 0, 0, 0, 0}, []float32{}, []float64{}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("9f018202039f0405ffff"),
[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}},
[]interface{}{[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}, [...]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("9f01820203820405ff"),
[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}},
[]interface{}{[]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}, [...]interface{}{uint64(1), []interface{}{uint64(2), uint64(3)}, []interface{}{uint64(4), uint64(5)}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("9f0102030405060708090a0b0c0d0e0f101112131415161718181819ff"),
[]interface{}{uint64(1), uint64(2), uint64(3), uint64(4), uint64(5), uint64(6), uint64(7), uint64(8), uint64(9), uint64(10), uint64(11), uint64(12), uint64(13), uint64(14), uint64(15), uint64(16), uint64(17), uint64(18), uint64(19), uint64(20), uint64(21), uint64(22), uint64(23), uint64(24), uint64(25)},
[]interface{}{
[]interface{}{uint64(1), uint64(2), uint64(3), uint64(4), uint64(5), uint64(6), uint64(7), uint64(8), uint64(9), uint64(10), uint64(11), uint64(12), uint64(13), uint64(14), uint64(15), uint64(16), uint64(17), uint64(18), uint64(19), uint64(20), uint64(21), uint64(22), uint64(23), uint64(24), uint64(25)},
[]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[]uint{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[0]int{},
[1]int{1},
[...]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[30]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0},
[]float32{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
[]float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("826161a161626163"),
[]interface{}{"a", map[interface{}]interface{}{"b": "c"}},
[]interface{}{[]interface{}{"a", map[interface{}]interface{}{"b": "c"}}, [...]interface{}{"a", map[interface{}]interface{}{"b": "c"}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeByteArray, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("826161bf61626163ff"),
[]interface{}{"a", map[interface{}]interface{}{"b": "c"}},
[]interface{}{[]interface{}{"a", map[interface{}]interface{}{"b": "c"}}, [...]interface{}{"a", map[interface{}]interface{}{"b": "c"}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeByteArray, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{}), typeTag, typeRawTag, typeBigInt},
},
// map
{
hexDecode("a0"),
map[interface{}]interface{}{},
[]interface{}{map[interface{}]interface{}{}, map[string]bool{}, map[string]int{}, map[int]string{}, map[int]bool{}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteSlice, typeByteArray, typeString, typeBool, typeIntSlice, typeTag, typeRawTag},
},
{
hexDecode("a201020304"),
map[interface{}]interface{}{uint64(1): uint64(2), uint64(3): uint64(4)},
[]interface{}{map[interface{}]interface{}{uint64(1): uint64(2), uint64(3): uint64(4)}, map[uint]int{1: 2, 3: 4}, map[int]uint{1: 2, 3: 4}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteSlice, typeByteArray, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("a26161016162820203"),
map[interface{}]interface{}{"a": uint64(1), "b": []interface{}{uint64(2), uint64(3)}},
[]interface{}{map[interface{}]interface{}{"a": uint64(1), "b": []interface{}{uint64(2), uint64(3)}},
map[string]interface{}{"a": uint64(1), "b": []interface{}{uint64(2), uint64(3)}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteSlice, typeByteArray, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("a56161614161626142616361436164614461656145"),
map[interface{}]interface{}{"a": "A", "b": "B", "c": "C", "d": "D", "e": "E"},
[]interface{}{map[interface{}]interface{}{"a": "A", "b": "B", "c": "C", "d": "D", "e": "E"},
map[string]interface{}{"a": "A", "b": "B", "c": "C", "d": "D", "e": "E"},
map[string]string{"a": "A", "b": "B", "c": "C", "d": "D", "e": "E"}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteSlice, typeByteArray, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("bf61610161629f0203ffff"),
map[interface{}]interface{}{"a": uint64(1), "b": []interface{}{uint64(2), uint64(3)}},
[]interface{}{map[interface{}]interface{}{"a": uint64(1), "b": []interface{}{uint64(2), uint64(3)}},
map[string]interface{}{"a": uint64(1), "b": []interface{}{uint64(2), uint64(3)}}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteSlice, typeByteArray, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("bf6346756ef563416d7421ff"),
map[interface{}]interface{}{"Fun": true, "Amt": int64(-2)},
[]interface{}{map[interface{}]interface{}{"Fun": true, "Amt": int64(-2)},
map[string]interface{}{"Fun": true, "Amt": int64(-2)}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteSlice, typeByteArray, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
// tag
{
hexDecode("c074323031332d30332d32315432303a30343a30305a"),
time.Date(2013, 3, 21, 20, 4, 0, 0, time.UTC), // 2013-03-21 20:04:00 +0000 UTC
[]interface{}{"2013-03-21T20:04:00Z", time.Date(2013, 3, 21, 20, 4, 0, 0, time.UTC), Tag{0, "2013-03-21T20:04:00Z"}, RawTag{0, hexDecode("74323031332d30332d32315432303a30343a30305a")}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeBigInt},
}, // 0: standard date/time
{
hexDecode("c11a514b67b0"),
time.Date(2013, 3, 21, 20, 4, 0, 0, time.UTC), // 2013-03-21 20:04:00 +0000 UTC
[]interface{}{uint32(1363896240), uint64(1363896240), int32(1363896240), int64(1363896240), float32(1363896240), float64(1363896240), time.Date(2013, 3, 21, 20, 4, 0, 0, time.UTC), Tag{1, uint64(1363896240)}, RawTag{1, hexDecode("1a514b67b0")}},
[]reflect.Type{typeUint8, typeUint16, typeInt8, typeInt16, typeByteSlice, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt},
}, // 1: epoch-based date/time
{
hexDecode("c249010000000000000000"),
bigIntOrPanic("18446744073709551616"),
[]interface{}{
// Decode to byte slice
[]byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
// Decode to array of various lengths
[0]byte{},
[1]byte{0x01},
[3]byte{0x01, 0x00, 0x00},
[...]byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[10]byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
// Decode to Tag and RawTag
Tag{2, []byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
RawTag{2, hexDecode("49010000000000000000")},
// Decode to big.Int
bigIntOrPanic("18446744073709551616"),
},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt},
}, // 2: positive bignum: 18446744073709551616
{
hexDecode("c349010000000000000000"),
bigIntOrPanic("-18446744073709551617"),
[]interface{}{
// Decode to byte slice
[]byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
// Decode to array of various lengths
[0]byte{},
[1]byte{0x01},
[3]byte{0x01, 0x00, 0x00},
[...]byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[10]byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
// Decode to Tag and RawTag
Tag{3, []byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
RawTag{3, hexDecode("49010000000000000000")},
// Decode to big.Int
bigIntOrPanic("-18446744073709551617"),
},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt},
}, // 3: negative bignum: -18446744073709551617
{
hexDecode("c1fb41d452d9ec200000"),
time.Date(2013, 3, 21, 20, 4, 0, 500000000, time.UTC), // 2013-03-21 20:04:00.5 +0000 UTC
[]interface{}{float32(1363896240.5), float64(1363896240.5), time.Date(2013, 3, 21, 20, 4, 0, 500000000, time.UTC), Tag{1, float64(1363896240.5)}, RawTag{1, hexDecode("fb41d452d9ec200000")}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteSlice, typeByteArray, typeString, typeBool, typeIntSlice, typeMapStringInt, typeBigInt},
}, // 1: epoch-based date/time
{
hexDecode("d74401020304"),
Tag{23, []byte{0x01, 0x02, 0x03, 0x04}},
[]interface{}{[]byte{0x01, 0x02, 0x03, 0x04}, [0]byte{}, [1]byte{0x01}, [3]byte{0x01, 0x02, 0x03}, [...]byte{0x01, 0x02, 0x03, 0x04}, [5]byte{0x01, 0x02, 0x03, 0x04, 0x00}, Tag{23, []byte{0x01, 0x02, 0x03, 0x04}}, RawTag{23, hexDecode("4401020304")}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt, typeBigInt},
}, // 23: expected conversion to base16 encoding
{
hexDecode("d818456449455446"),
Tag{24, []byte{0x64, 0x49, 0x45, 0x54, 0x46}},
[]interface{}{[]byte{0x64, 0x49, 0x45, 0x54, 0x46}, [0]byte{}, [1]byte{0x64}, [3]byte{0x64, 0x49, 0x45}, [...]byte{0x64, 0x49, 0x45, 0x54, 0x46}, [6]byte{0x64, 0x49, 0x45, 0x54, 0x46, 0x00}, Tag{24, []byte{0x64, 0x49, 0x45, 0x54, 0x46}}, RawTag{24, hexDecode("456449455446")}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt, typeBigInt},
}, // 24: encoded cborBytes data item
{
hexDecode("d82076687474703a2f2f7777772e6578616d706c652e636f6d"),
Tag{32, "http://www.example.com"},
[]interface{}{"http://www.example.com", Tag{32, "http://www.example.com"}, RawTag{32, hexDecode("76687474703a2f2f7777772e6578616d706c652e636f6d")}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeBigInt},
}, // 32: URI
// primitives
{
hexDecode("f4"),
false,
[]interface{}{false},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteArray, typeByteSlice, typeString, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("f5"),
true,
[]interface{}{true},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteArray, typeByteSlice, typeString, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("f6"),
nil,
[]interface{}{false, uint(0), uint8(0), uint16(0), uint32(0), uint64(0), int(0), int8(0), int16(0), int32(0), int64(0), float32(0.0), float64(0.0), "", []byte(nil), []int(nil), []string(nil), map[string]int(nil), time.Time{}, bigIntOrPanic("0"), Tag{}, RawTag{}},
nil,
},
{
hexDecode("f7"),
nil,
[]interface{}{false, uint(0), uint8(0), uint16(0), uint32(0), uint64(0), int(0), int8(0), int16(0), int32(0), int64(0), float32(0.0), float64(0.0), "", []byte(nil), []int(nil), []string(nil), map[string]int(nil), time.Time{}, bigIntOrPanic("0"), Tag{}, RawTag{}},
nil,
},
{
hexDecode("f0"),
uint64(16),
[]interface{}{uint8(16), uint16(16), uint32(16), uint64(16), uint(16), int8(16), int16(16), int32(16), int64(16), int(16), float32(16), float64(16), bigIntOrPanic("16")},
[]reflect.Type{typeByteSlice, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
// This example is not well-formed because Simple value (with 5-bit value 24) must be >= 32.
// See RFC 7049 section 2.3 for details, instead of the incorrect example in RFC 7049 Appendex A.
// I reported an errata to RFC 7049 and Carsten Bormann confirmed at https://github.com/fxamacker/cbor/issues/46
/*
{
hexDecode("f818"),
uint64(24),
[]interface{}{uint8(24), uint16(24), uint32(24), uint64(24), uint(24), int8(24), int16(24), int32(24), int64(24), int(24), float32(24), float64(24)},
[]reflect.Type{typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt},
},
*/
{
hexDecode("f820"),
uint64(32),
[]interface{}{uint8(32), uint16(32), uint32(32), uint64(32), uint(32), int8(32), int16(32), int32(32), int64(32), int(32), float32(32), float64(32), bigIntOrPanic("32")},
[]reflect.Type{typeByteSlice, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
{
hexDecode("f8ff"),
uint64(255),
[]interface{}{uint8(255), uint16(255), uint32(255), uint64(255), uint(255), int16(255), int32(255), int64(255), int(255), float32(255), float64(255), bigIntOrPanic("255")},
[]reflect.Type{typeByteSlice, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag},
},
// More testcases not covered by https://tools.ietf.org/html/rfc7049#appendix-A.
{
hexDecode("5fff"), // empty indefinite length byte string
[]byte{},
[]interface{}{[]byte{}, [0]byte{}, [1]byte{0x00}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("7fff"), // empty indefinite length text string
"",
[]interface{}{""},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeBool, typeByteArray, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
},
{
hexDecode("bfff"), // empty indefinite length map
map[interface{}]interface{}{},
[]interface{}{map[interface{}]interface{}{}, map[string]bool{}, map[string]int{}, map[int]string{}, map[int]bool{}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeTag, typeRawTag},
},
// More test data with tags
{
hexDecode("c13a0177f2cf"), // 1969-03-21T20:04:00Z, tag 1 with negative integer as epoch time
time.Date(1969, 3, 21, 20, 4, 0, 0, time.UTC),
[]interface{}{int32(-24638160), int64(-24638160), int32(-24638160), int64(-24638160), float32(-24638160), float64(-24638160), time.Date(1969, 3, 21, 20, 4, 0, 0, time.UTC), Tag{1, int64(-24638160)}, RawTag{1, hexDecode("3a0177f2cf")}, bigIntOrPanic("-24638160")},
[]reflect.Type{typeUint8, typeUint16, typeInt8, typeInt16, typeByteSlice, typeString, typeBool, typeByteArray, typeIntSlice, typeMapStringInt},
},
{
hexDecode("d83dd183010203"), // 61(17([1, 2, 3])), nested tags 61 and 17
Tag{61, Tag{17, []interface{}{uint64(1), uint64(2), uint64(3)}}},
[]interface{}{[]interface{}{uint64(1), uint64(2), uint64(3)}, []byte{1, 2, 3}, [0]byte{}, [1]byte{1}, [3]byte{1, 2, 3}, [5]byte{1, 2, 3, 0, 0}, []int{1, 2, 3}, []uint{1, 2, 3}, [...]int{1, 2, 3}, []float32{1, 2, 3}, []float64{1, 2, 3}, Tag{61, Tag{17, []interface{}{uint64(1), uint64(2), uint64(3)}}}, RawTag{61, hexDecode("d183010203")}},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeFloat64, typeString, typeBool, typeStringSlice, typeMapStringInt, reflect.TypeOf([3]string{})},
},
}
type unmarshalFloatTest struct {
cborData []byte
emptyInterfaceValue interface{}
values []interface{}
wrongTypes []reflect.Type
equalityThreshold float64 // Not used for +inf, -inf, and NaN.
}
// unmarshalFloatTests includes test values for float16, float32, and float64.
// Note: the function for float16 to float32 conversion was tested with all
// 65536 values, which is too many to include here.
var unmarshalFloatTests = []unmarshalFloatTest{
// CBOR test data are from https://tools.ietf.org/html/rfc7049#appendix-A.
// float16
{
hexDecode("f90000"),
float64(0.0),
[]interface{}{float32(0.0), float64(0.0)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f98000"),
float64(-0.0), //nolint:staticcheck // we know -0.0 is 0.0 in Go
[]interface{}{float32(-0.0), float64(-0.0)}, //nolint:staticcheck // we know -0.0 is 0.0 in Go
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f93c00"),
float64(1.0),
[]interface{}{float32(1.0), float64(1.0)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f93e00"),
float64(1.5),
[]interface{}{float32(1.5), float64(1.5)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f97bff"),
float64(65504.0),
[]interface{}{float32(65504.0), float64(65504.0)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f90001"), // float16 subnormal value
float64(5.960464477539063e-08),
[]interface{}{float32(5.960464477539063e-08), float64(5.960464477539063e-08)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-16,
},
{
hexDecode("f90400"),
float64(6.103515625e-05),
[]interface{}{float32(6.103515625e-05), float64(6.103515625e-05)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-16,
},
{
hexDecode("f9c400"),
float64(-4.0),
[]interface{}{float32(-4.0), float64(-4.0)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f97c00"),
math.Inf(1),
[]interface{}{math.Float32frombits(0x7f800000), math.Inf(1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f97e00"),
math.NaN(),
[]interface{}{math.Float32frombits(0x7fc00000), math.NaN()},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f9fc00"),
math.Inf(-1),
[]interface{}{math.Float32frombits(0xff800000), math.Inf(-1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
// float32
{
hexDecode("fa47c35000"),
float64(100000.0),
[]interface{}{float32(100000.0), float64(100000.0)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fa7f7fffff"),
float64(3.4028234663852886e+38),
[]interface{}{float32(3.4028234663852886e+38), float64(3.4028234663852886e+38)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
{
hexDecode("fa7f800000"),
math.Inf(1),
[]interface{}{math.Float32frombits(0x7f800000), math.Inf(1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fa7fc00000"),
math.NaN(),
[]interface{}{math.Float32frombits(0x7fc00000), math.NaN()},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("faff800000"),
math.Inf(-1),
[]interface{}{math.Float32frombits(0xff800000), math.Inf(-1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
// float64
{
hexDecode("fb3ff199999999999a"),
float64(1.1),
[]interface{}{float32(1.1), float64(1.1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
{
hexDecode("fb7e37e43c8800759c"),
float64(1.0e+300),
[]interface{}{float64(1.0e+300)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeFloat32, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
{
hexDecode("fbc010666666666666"),
float64(-4.1),
[]interface{}{float32(-4.1), float64(-4.1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
{
hexDecode("fb7ff0000000000000"),
math.Inf(1),
[]interface{}{math.Float32frombits(0x7f800000), math.Inf(1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fb7ff8000000000000"),
math.NaN(),
[]interface{}{math.Float32frombits(0x7fc00000), math.NaN()},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fbfff0000000000000"),
math.Inf(-1),
[]interface{}{math.Float32frombits(0xff800000), math.Inf(-1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
// float16 test data from https://en.wikipedia.org/wiki/Half-precision_floating-point_format
{
hexDecode("f903ff"),
float64(0.000060976),
[]interface{}{float32(0.000060976), float64(0.000060976)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
{
hexDecode("f93bff"),
float64(0.999511719),
[]interface{}{float32(0.999511719), float64(0.999511719)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
{
hexDecode("f93c01"),
float64(1.000976563),
[]interface{}{float32(1.000976563), float64(1.000976563)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
{
hexDecode("f93555"),
float64(0.333251953125),
[]interface{}{float32(0.333251953125), float64(0.333251953125)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
1e-9,
},
// CBOR test data "canonNums" are from https://github.com/cbor-wg/cbor-test-vectors
{
hexDecode("f9bd00"),
float64(-1.25),
[]interface{}{float32(-1.25), float64(-1.25)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f93e00"),
float64(1.5),
[]interface{}{float32(1.5), float64(1.5)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fb4024333333333333"),
float64(10.1),
[]interface{}{float32(10.1), float64(10.1)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f90001"),
float64(5.960464477539063e-8),
[]interface{}{float32(5.960464477539063e-8), float64(5.960464477539063e-8)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fa7f7fffff"),
float64(3.4028234663852886e+38),
[]interface{}{float32(3.4028234663852886e+38), float64(3.4028234663852886e+38)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f90400"),
float64(0.00006103515625),
[]interface{}{float32(0.00006103515625), float64(0.00006103515625)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("f933ff"),
float64(0.2498779296875),
[]interface{}{float32(0.2498779296875), float64(0.2498779296875)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fa33000000"),
float64(2.9802322387695312e-8),
[]interface{}{float32(2.9802322387695312e-8), float64(2.9802322387695312e-8)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fa33333866"),
float64(4.1727979294137185e-8),
[]interface{}{float32(4.1727979294137185e-8), float64(4.1727979294137185e-8)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
{
hexDecode("fa37002000"),
float64(0.000007636845111846924),
[]interface{}{float32(0.000007636845111846924), float64(0.000007636845111846924)},
[]reflect.Type{typeUint8, typeUint16, typeUint32, typeUint64, typeInt8, typeInt16, typeInt32, typeInt64, typeByteArray, typeByteSlice, typeString, typeBool, typeIntSlice, typeMapStringInt, typeTag, typeRawTag, typeBigInt},
0.0,
},
}
const invalidUTF8ErrorMsg = "cbor: invalid UTF-8 string"
func hexDecode(s string) []byte {
data, err := hex.DecodeString(s)
if err != nil {
panic(err)
}
return data
}
func bigIntOrPanic(s string) big.Int {
bi, ok := new(big.Int).SetString(s, 10)
if !ok {
panic("failed to convert " + s + " to big.Int")
}
return *bi
}
func TestUnmarshal(t *testing.T) {
for _, tc := range unmarshalTests {
// Test unmarshalling CBOR into empty interface.
var v interface{}
if err := Unmarshal(tc.cborData, &v); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %v", tc.cborData, err)
} else {
if tm, ok := tc.emptyInterfaceValue.(time.Time); ok {
if vt, ok := v.(time.Time); !ok || !tm.Equal(vt) {
t.Errorf("Unmarshal(0x%x) = %v (%T), want %v (%T)", tc.cborData, v, v, tc.emptyInterfaceValue, tc.emptyInterfaceValue)
}
} else if !reflect.DeepEqual(v, tc.emptyInterfaceValue) {
t.Errorf("Unmarshal(0x%x) = %v (%T), want %v (%T)", tc.cborData, v, v, tc.emptyInterfaceValue, tc.emptyInterfaceValue)
}
}
// Test unmarshalling CBOR into RawMessage.
var r RawMessage
if err := Unmarshal(tc.cborData, &r); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %v", tc.cborData, err)
} else if !bytes.Equal(r, tc.cborData) {
t.Errorf("Unmarshal(0x%x) returned RawMessage %v, want %v", tc.cborData, r, tc.cborData)
}
// Test unmarshalling CBOR into compatible data types.
for _, value := range tc.values {
v := reflect.New(reflect.TypeOf(value))
vPtr := v.Interface()
if err := Unmarshal(tc.cborData, vPtr); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %v", tc.cborData, err)
} else {
if tm, ok := value.(time.Time); ok {
if vt, ok := v.Elem().Interface().(time.Time); !ok || !tm.Equal(vt) {
t.Errorf("Unmarshal(0x%x) = %v (%T), want %v (%T)", tc.cborData, v.Elem().Interface(), v.Elem().Interface(), value, value)
}
} else if !reflect.DeepEqual(v.Elem().Interface(), value) {
t.Errorf("Unmarshal(0x%x) = %v (%T), want %v (%T)", tc.cborData, v.Elem().Interface(), v.Elem().Interface(), value, value)
}
}
}
// Test unmarshalling CBOR into incompatible data types.
for _, typ := range tc.wrongTypes {
v := reflect.New(typ)
vPtr := v.Interface()
if err := Unmarshal(tc.cborData, vPtr); err == nil {
t.Errorf("Unmarshal(0x%x, %s) didn't return an error", tc.cborData, typ.String())
} else if _, ok := err.(*UnmarshalTypeError); !ok {
t.Errorf("Unmarshal(0x%x) returned wrong error type %T, want (*UnmarshalTypeError)", tc.cborData, err)
} else if !strings.Contains(err.Error(), "cannot unmarshal") {
t.Errorf("Unmarshal(0x%x) returned error %q, want error containing %q", tc.cborData, err.Error(), "cannot unmarshal")
}
}
}
}
func TestUnmarshalFloat(t *testing.T) {
for _, tc := range unmarshalFloatTests {
// Test unmarshalling CBOR into empty interface.
var v interface{}
if err := Unmarshal(tc.cborData, &v); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %v", tc.cborData, err)
} else {
testFloat(t, tc.cborData, v, tc.emptyInterfaceValue, tc.equalityThreshold)
}
// Test unmarshalling CBOR into RawMessage.
var r RawMessage
if err := Unmarshal(tc.cborData, &r); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %v", tc.cborData, err)
} else if !bytes.Equal(r, tc.cborData) {
t.Errorf("Unmarshal(0x%x) returned RawMessage %v, want %v", tc.cborData, r, tc.cborData)
}
// Test unmarshalling CBOR into compatible data types.
for _, value := range tc.values {
v := reflect.New(reflect.TypeOf(value))
vPtr := v.Interface()
if err := Unmarshal(tc.cborData, vPtr); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %v", tc.cborData, err)
} else {
testFloat(t, tc.cborData, v.Elem().Interface(), value, tc.equalityThreshold)
}
}
// Test unmarshalling CBOR into incompatible data types.
for _, typ := range tc.wrongTypes {
v := reflect.New(typ)
vPtr := v.Interface()
if err := Unmarshal(tc.cborData, vPtr); err == nil {
t.Errorf("Unmarshal(0x%x) didn't return an error", tc.cborData)
} else if _, ok := err.(*UnmarshalTypeError); !ok {
t.Errorf("Unmarshal(0x%x) returned wrong error type %T, want (*UnmarshalTypeError)", tc.cborData, err)
} else if !strings.Contains(err.Error(), "cannot unmarshal") {
t.Errorf("Unmarshal(0x%x) returned error %q, want error containing %q", tc.cborData, err.Error(), "cannot unmarshal")
}
}
}
}
func testFloat(t *testing.T, cborData []byte, f interface{}, wantf interface{}, equalityThreshold float64) {
switch wantf := wantf.(type) {
case float32:
f, ok := f.(float32)
if !ok {
t.Errorf("Unmarshal(0x%x) returned value of type %T, want float32", cborData, f)
return
}
if math.IsNaN(float64(wantf)) {
if !math.IsNaN(float64(f)) {
t.Errorf("Unmarshal(0x%x) = %f, want NaN", cborData, f)
}
} else if math.IsInf(float64(wantf), 0) {
if f != wantf {
t.Errorf("Unmarshal(0x%x) = %f, want %f", cborData, f, wantf)
}
} else if math.Abs(float64(f-wantf)) > equalityThreshold {
t.Errorf("Unmarshal(0x%x) = %.18f, want %.18f, diff %.18f > threshold %.18f", cborData, f, wantf, math.Abs(float64(f-wantf)), equalityThreshold)
}
case float64:
f, ok := f.(float64)
if !ok {
t.Errorf("Unmarshal(0x%x) returned value of type %T, want float64", cborData, f)
return
}
if math.IsNaN(wantf) {
if !math.IsNaN(f) {
t.Errorf("Unmarshal(0x%x) = %f, want NaN", cborData, f)
}
} else if math.IsInf(wantf, 0) {
if f != wantf {
t.Errorf("Unmarshal(0x%x) = %f, want %f", cborData, f, wantf)
}
} else if math.Abs(f-wantf) > equalityThreshold {
t.Errorf("Unmarshal(0x%x) = %.18f, want %.18f, diff %.18f > threshold %.18f", cborData, f, wantf, math.Abs(f-wantf), equalityThreshold)
}
}
}
func TestNegIntOverflow(t *testing.T) {
cborData := hexDecode("3bffffffffffffffff") // -18446744073709551616
// Decode CBOR neg int that overflows Go int64 to empty interface
var v1 interface{}
wantObj := bigIntOrPanic("-18446744073709551616")
if err := Unmarshal(cborData, &v1); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %+v", cborData, err)
} else if !reflect.DeepEqual(v1, wantObj) {
t.Errorf("Unmarshal(0x%x) returned %v (%T), want %v (%T)", cborData, v1, v1, wantObj, wantObj)
}
// Decode CBOR neg int that overflows Go int64 to big.Int
var v2 big.Int
if err := Unmarshal(cborData, &v2); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %+v", cborData, err)
} else if !reflect.DeepEqual(v2, wantObj) {
t.Errorf("Unmarshal(0x%x) returned %v (%T), want %v (%T)", cborData, v2, v2, wantObj, wantObj)
}
// Decode CBOR neg int that overflows Go int64 to int64
var v3 int64
if err := Unmarshal(cborData, &v3); err == nil {
t.Errorf("Unmarshal(0x%x) didn't return an error", cborData)
} else if _, ok := err.(*UnmarshalTypeError); !ok {
t.Errorf("Unmarshal(0x%x) returned wrong error type %T, want (*UnmarshalTypeError)", cborData, err)
} else if !strings.Contains(err.Error(), "cannot unmarshal") {
t.Errorf("Unmarshal(0x%x) returned error %q, want error containing %q", cborData, err.Error(), "cannot unmarshal")
}
}
func TestUnmarshalIntoPtrPrimitives(t *testing.T) {
cborDataInt := hexDecode("1818") // 24
cborDataString := hexDecode("7f657374726561646d696e67ff") // "streaming"
const wantInt = 24
const wantString = "streaming"
var p1 *int
var p2 *string
var p3 *RawMessage
var i int
pi := &i
ppi := &pi
var s string
ps := &s
pps := &ps
var r RawMessage
pr := &r
ppr := &pr
// Unmarshal CBOR integer into a non-nil pointer.
if err := Unmarshal(cborDataInt, &ppi); err != nil {
t.Errorf("Unmarshal(0x%x) returned error %v", cborDataInt, err)
} else if i != wantInt {
t.Errorf("Unmarshal(0x%x) = %v (%T), want %d", cborDataInt, i, i, wantInt)