Merge pull request #123268 from benluddy/cbor-appendix-a-tests
KEP-4222: Add roundtrip tests for all CBOR examples in RFC 8949 Appendix A.
This commit is contained in:
Kubernetes Prow Robot
@@ -0,0 +1,646 @@
|
|||||||
|
/*
|
||||||
|
Copyright 2024 The Kubernetes Authors.
|
||||||
|
|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
package modes_test
|
||||||
|
|
||||||
|
import (
|
||||||
|
"encoding/hex"
|
||||||
|
"fmt"
|
||||||
|
"math"
|
||||||
|
"testing"
|
||||||
|
|
||||||
|
"k8s.io/apimachinery/pkg/conversion"
|
||||||
|
"k8s.io/apimachinery/pkg/runtime/serializer/cbor/internal/modes"
|
||||||
|
|
||||||
|
"github.com/google/go-cmp/cmp"
|
||||||
|
)
|
||||||
|
|
||||||
|
// TestAppendixA roundtrips the examples of encoded CBOR data items in RFC 8949 Appendix A. For
|
||||||
|
// completeness, all examples from the appendix are included, even those those that are rejected by
|
||||||
|
// this decoder or are re-encoded to a different sequence of CBOR bytes (with explanation).
|
||||||
|
func TestAppendixA(t *testing.T) {
|
||||||
|
hex := func(h string) []byte {
|
||||||
|
b, err := hex.DecodeString(h)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatal(err)
|
||||||
|
}
|
||||||
|
return b
|
||||||
|
}
|
||||||
|
|
||||||
|
eq := conversion.EqualitiesOrDie(
|
||||||
|
// NaN float64 values are always inequal and have multiple representations. RFC 8949
|
||||||
|
// Section 4.2.2 recommends protocols not supporting NaN payloads or signaling NaNs
|
||||||
|
// choose a single representation for all NaN values. For the purposes of this test,
|
||||||
|
// all NaN representations are equivalent.
|
||||||
|
func(a float64, b float64) bool {
|
||||||
|
if math.IsNaN(a) && math.IsNaN(b) {
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
return math.Float64bits(a) == math.Float64bits(b)
|
||||||
|
},
|
||||||
|
)
|
||||||
|
|
||||||
|
const (
|
||||||
|
reasonArrayFixedLength = "indefinite-length arrays are re-encoded with fixed length"
|
||||||
|
reasonByteString = "strings are encoded as the byte string major type"
|
||||||
|
reasonFloatPacked = "floats are packed into the smallest value-preserving width"
|
||||||
|
reasonNaN = "all NaN values are represented with a single encoding"
|
||||||
|
reasonMapFixedLength = "indefinite-length maps are re-encoded with fixed length"
|
||||||
|
reasonMapSorted = "map entries are sorted"
|
||||||
|
reasonStringFixedLength = "indefinite-length strings are re-encoded with fixed length"
|
||||||
|
reasonTagIgnored = "unrecognized tag numbers are ignored"
|
||||||
|
reasonTimeToInterface = "times decode to interface{} as RFC3339 timestamps for JSON interoperability"
|
||||||
|
)
|
||||||
|
|
||||||
|
for _, tc := range []struct {
|
||||||
|
example []byte // example data item
|
||||||
|
decoded interface{}
|
||||||
|
reject string // reason the decoder rejects the example
|
||||||
|
encoded []byte // re-encoded object (only if different from example encoding)
|
||||||
|
reasons []string // reasons for re-encode difference
|
||||||
|
|
||||||
|
// TODO: The cases with nonempty fixme are known to be not working and fixing them
|
||||||
|
// is an alpha criteria. They're present and skipped for visibility.
|
||||||
|
fixme string
|
||||||
|
}{
|
||||||
|
{
|
||||||
|
example: hex("00"),
|
||||||
|
decoded: int64(0),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("01"),
|
||||||
|
decoded: int64(1),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("0a"),
|
||||||
|
decoded: int64(10),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("17"),
|
||||||
|
decoded: int64(23),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("1818"),
|
||||||
|
decoded: int64(24),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("1819"),
|
||||||
|
decoded: int64(25),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("1864"),
|
||||||
|
decoded: int64(100),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("1903e8"),
|
||||||
|
decoded: int64(1000),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("1a000f4240"),
|
||||||
|
decoded: int64(1000000),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("1b000000e8d4a51000"),
|
||||||
|
decoded: int64(1000000000000),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("1bffffffffffffffff"),
|
||||||
|
reject: "2^64-1 overflows int64 and falling back to float64 (as with JSON) loses distinction between float and integer",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("c249010000000000000000"),
|
||||||
|
reject: "decoding tagged positive bigint value to interface{} can't reproduce this value without losing distinction between float and integer",
|
||||||
|
fixme: "decoding bigint to interface{} must not produce math/big.Int",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("3bffffffffffffffff"),
|
||||||
|
reject: "-2^64-1 overflows int64 and falling back to float64 (as with JSON) loses distinction between float and integer",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("c349010000000000000000"),
|
||||||
|
reject: "-18446744073709551617 overflows int64 and falling back to float64 (as with JSON) loses distinction between float and integer",
|
||||||
|
fixme: "decoding negative bigint to interface{} must not produce math/big.Int",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("20"),
|
||||||
|
decoded: int64(-1),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("29"),
|
||||||
|
decoded: int64(-10),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("3863"),
|
||||||
|
decoded: int64(-100),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("3903e7"),
|
||||||
|
decoded: int64(-1000),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f90000"),
|
||||||
|
decoded: 0.0,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f98000"),
|
||||||
|
decoded: math.Copysign(0, -1),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f93c00"),
|
||||||
|
decoded: 1.0,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fb3ff199999999999a"),
|
||||||
|
decoded: 1.1,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f93e00"),
|
||||||
|
decoded: 1.5,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f97bff"),
|
||||||
|
decoded: 65504.0,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fa47c35000"),
|
||||||
|
decoded: 100000.0,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fa7f7fffff"),
|
||||||
|
decoded: 3.4028234663852886e+38,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fb7e37e43c8800759c"),
|
||||||
|
decoded: 1.0e+300,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f90001"),
|
||||||
|
decoded: 5.960464477539063e-8,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f90400"),
|
||||||
|
decoded: 0.00006103515625,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f9c400"),
|
||||||
|
decoded: -4.0,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fbc010666666666666"),
|
||||||
|
decoded: -4.1,
|
||||||
|
},
|
||||||
|
// TODO: Should Inf/-Inf/NaN be supported? Current Protobuf will encode this, but
|
||||||
|
// JSON will produce an error. This is less than ideal -- we can't transcode
|
||||||
|
// everything to JSON.
|
||||||
|
{
|
||||||
|
example: hex("f97c00"),
|
||||||
|
decoded: math.Inf(1),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f97e00"),
|
||||||
|
decoded: math.Float64frombits(0x7ff8000000000000),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f9fc00"),
|
||||||
|
decoded: math.Inf(-1),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fa7f800000"),
|
||||||
|
decoded: math.Inf(1),
|
||||||
|
encoded: hex("f97c00"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonFloatPacked,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fa7fc00000"),
|
||||||
|
decoded: math.NaN(),
|
||||||
|
encoded: hex("f97e00"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonNaN,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("faff800000"),
|
||||||
|
decoded: math.Inf(-1),
|
||||||
|
encoded: hex("f9fc00"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonFloatPacked,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fb7ff0000000000000"),
|
||||||
|
decoded: math.Inf(1),
|
||||||
|
encoded: hex("f97c00"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonFloatPacked,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fb7ff8000000000000"),
|
||||||
|
decoded: math.NaN(),
|
||||||
|
encoded: hex("f97e00"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonNaN,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("fbfff0000000000000"),
|
||||||
|
decoded: math.Inf(-1),
|
||||||
|
encoded: hex("f9fc00"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonFloatPacked,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f4"),
|
||||||
|
decoded: false,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f5"),
|
||||||
|
decoded: true,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f6"),
|
||||||
|
decoded: nil,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f7"),
|
||||||
|
reject: "only simple values false, true, and null have a clear analog",
|
||||||
|
fixme: "the undefined simple value should not successfully decode as nil",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f0"),
|
||||||
|
reject: "only simple values false, true, and null have a clear analog",
|
||||||
|
fixme: "simple values other than false, true, and null should be rejected",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("f8ff"),
|
||||||
|
reject: "only simple values false, true, and null have a clear analog",
|
||||||
|
fixme: "simple values other than false, true, and null should be rejected",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("c074323031332d30332d32315432303a30343a30305a"),
|
||||||
|
decoded: "2013-03-21T20:04:00Z",
|
||||||
|
encoded: hex("54323031332d30332d32315432303a30343a30305a"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
reasonTimeToInterface,
|
||||||
|
},
|
||||||
|
fixme: "decoding of tagged time into interface{} must produce RFC3339 timestamp compatible with JSON, not time.Time",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("c11a514b67b0"),
|
||||||
|
decoded: "2013-03-21T16:04:00Z",
|
||||||
|
encoded: hex("54323031332d30332d32315431363a30343a30305a"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
reasonTimeToInterface,
|
||||||
|
},
|
||||||
|
fixme: "decoding of tagged time into interface{} must produce RFC3339 timestamp compatible with JSON, not time.Time",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("c1fb41d452d9ec200000"),
|
||||||
|
decoded: "2013-03-21T20:04:00.5Z",
|
||||||
|
encoded: hex("56323031332d30332d32315432303a30343a30302e355a"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
reasonTimeToInterface,
|
||||||
|
},
|
||||||
|
fixme: "decoding of tagged time into interface{} must produce RFC3339 timestamp compatible with JSON, not time.Time",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("d74401020304"),
|
||||||
|
decoded: "\x01\x02\x03\x04",
|
||||||
|
encoded: hex("4401020304"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonTagIgnored,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("d818456449455446"),
|
||||||
|
decoded: "dIETF",
|
||||||
|
encoded: hex("456449455446"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonTagIgnored,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("d82076687474703a2f2f7777772e6578616d706c652e636f6d"),
|
||||||
|
decoded: "http://www.example.com",
|
||||||
|
encoded: hex("56687474703a2f2f7777772e6578616d706c652e636f6d"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
reasonTagIgnored,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("40"),
|
||||||
|
decoded: "",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("4401020304"),
|
||||||
|
decoded: "\x01\x02\x03\x04",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("60"),
|
||||||
|
decoded: "",
|
||||||
|
encoded: hex("40"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("6161"),
|
||||||
|
decoded: "a",
|
||||||
|
encoded: hex("4161"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("6449455446"),
|
||||||
|
decoded: "IETF",
|
||||||
|
encoded: hex("4449455446"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("62225c"),
|
||||||
|
decoded: "\"\\",
|
||||||
|
encoded: hex("42225c"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("62c3bc"),
|
||||||
|
decoded: "ü",
|
||||||
|
encoded: hex("42c3bc"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("63e6b0b4"),
|
||||||
|
decoded: "水",
|
||||||
|
encoded: hex("43e6b0b4"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("64f0908591"),
|
||||||
|
decoded: "𐅑",
|
||||||
|
encoded: hex("44f0908591"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("80"),
|
||||||
|
decoded: []interface{}{},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("83010203"),
|
||||||
|
decoded: []interface{}{int64(1), int64(2), int64(3)},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("8301820203820405"),
|
||||||
|
decoded: []interface{}{int64(1), []interface{}{int64(2), int64(3)}, []interface{}{int64(4), int64(5)}},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("98190102030405060708090a0b0c0d0e0f101112131415161718181819"),
|
||||||
|
decoded: []interface{}{int64(1), int64(2), int64(3), int64(4), int64(5), int64(6), int64(7), int64(8), int64(9), int64(10), int64(11), int64(12), int64(13), int64(14), int64(15), int64(16), int64(17), int64(18), int64(19), int64(20), int64(21), int64(22), int64(23), int64(24), int64(25)},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("a0"),
|
||||||
|
decoded: map[string]interface{}{},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("a201020304"),
|
||||||
|
reject: "integer map keys don't correspond with field names or unstructured keys",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("a26161016162820203"),
|
||||||
|
decoded: map[string]interface{}{
|
||||||
|
"a": int64(1),
|
||||||
|
"b": []interface{}{int64(2), int64(3)},
|
||||||
|
},
|
||||||
|
encoded: hex("a24161014162820203"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("826161a161626163"),
|
||||||
|
decoded: []interface{}{
|
||||||
|
"a",
|
||||||
|
map[string]interface{}{"b": "c"},
|
||||||
|
},
|
||||||
|
encoded: hex("824161a141624163"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("a56161614161626142616361436164614461656145"),
|
||||||
|
decoded: map[string]interface{}{
|
||||||
|
"a": "A",
|
||||||
|
"b": "B",
|
||||||
|
"c": "C",
|
||||||
|
"d": "D",
|
||||||
|
"e": "E",
|
||||||
|
},
|
||||||
|
encoded: hex("a54161414141624142416341434164414441654145"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("5f42010243030405ff"),
|
||||||
|
decoded: "\x01\x02\x03\x04\x05",
|
||||||
|
encoded: hex("450102030405"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonStringFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("7f657374726561646d696e67ff"),
|
||||||
|
decoded: "streaming",
|
||||||
|
encoded: hex("4973747265616d696e67"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
reasonStringFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("9fff"),
|
||||||
|
decoded: []interface{}{},
|
||||||
|
encoded: hex("80"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonArrayFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("9f018202039f0405ffff"),
|
||||||
|
decoded: []interface{}{
|
||||||
|
int64(1),
|
||||||
|
[]interface{}{int64(2), int64(3)},
|
||||||
|
[]interface{}{int64(4), int64(5)},
|
||||||
|
},
|
||||||
|
encoded: hex("8301820203820405"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonArrayFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("9f01820203820405ff"),
|
||||||
|
decoded: []interface{}{
|
||||||
|
int64(1),
|
||||||
|
[]interface{}{int64(2), int64(3)},
|
||||||
|
[]interface{}{int64(4), int64(5)},
|
||||||
|
},
|
||||||
|
encoded: hex("8301820203820405"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonArrayFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("83018202039f0405ff"),
|
||||||
|
decoded: []interface{}{
|
||||||
|
int64(1),
|
||||||
|
[]interface{}{int64(2), int64(3)},
|
||||||
|
[]interface{}{int64(4), int64(5)},
|
||||||
|
},
|
||||||
|
encoded: hex("8301820203820405"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonArrayFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("83019f0203ff820405"),
|
||||||
|
decoded: []interface{}{
|
||||||
|
int64(1),
|
||||||
|
[]interface{}{int64(2), int64(3)},
|
||||||
|
[]interface{}{int64(4), int64(5)},
|
||||||
|
},
|
||||||
|
encoded: hex("8301820203820405"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonArrayFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("9f0102030405060708090a0b0c0d0e0f101112131415161718181819ff"),
|
||||||
|
decoded: []interface{}{
|
||||||
|
int64(1), int64(2), int64(3), int64(4), int64(5),
|
||||||
|
int64(6), int64(7), int64(8), int64(9), int64(10),
|
||||||
|
int64(11), int64(12), int64(13), int64(14), int64(15),
|
||||||
|
int64(16), int64(17), int64(18), int64(19), int64(20),
|
||||||
|
int64(21), int64(22), int64(23), int64(24), int64(25),
|
||||||
|
},
|
||||||
|
encoded: hex("98190102030405060708090a0b0c0d0e0f101112131415161718181819"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonArrayFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("bf61610161629f0203ffff"),
|
||||||
|
decoded: map[string]interface{}{
|
||||||
|
"a": int64(1),
|
||||||
|
"b": []interface{}{int64(2), int64(3)},
|
||||||
|
},
|
||||||
|
encoded: hex("a24161014162820203"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonArrayFixedLength,
|
||||||
|
reasonByteString,
|
||||||
|
reasonMapFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("826161bf61626163ff"),
|
||||||
|
decoded: []interface{}{"a", map[string]interface{}{"b": "c"}},
|
||||||
|
encoded: hex("824161a141624163"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
reasonMapFixedLength,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
{
|
||||||
|
example: hex("bf6346756ef563416d7421ff"),
|
||||||
|
decoded: map[string]interface{}{
|
||||||
|
"Amt": int64(-2),
|
||||||
|
"Fun": true,
|
||||||
|
},
|
||||||
|
encoded: hex("a243416d74214346756ef5"),
|
||||||
|
reasons: []string{
|
||||||
|
reasonByteString,
|
||||||
|
reasonMapFixedLength,
|
||||||
|
reasonMapSorted,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
} {
|
||||||
|
t.Run(fmt.Sprintf("%x", tc.example), func(t *testing.T) {
|
||||||
|
if tc.fixme != "" {
|
||||||
|
t.Skip(tc.fixme) // TODO: Remove once all cases are fixed.
|
||||||
|
}
|
||||||
|
|
||||||
|
var decoded interface{}
|
||||||
|
err := modes.Decode.Unmarshal(tc.example, &decoded)
|
||||||
|
if err != nil {
|
||||||
|
if tc.reject != "" {
|
||||||
|
t.Logf("expected decode error (%s) occurred: %v", tc.reject, err)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
t.Fatalf("unexpected decode error: %v", err)
|
||||||
|
} else if tc.reject != "" {
|
||||||
|
t.Fatalf("expected decode error (%v) did not occur", tc.reject)
|
||||||
|
}
|
||||||
|
|
||||||
|
if !eq.DeepEqual(tc.decoded, decoded) {
|
||||||
|
t.Fatal(cmp.Diff(tc.decoded, decoded))
|
||||||
|
}
|
||||||
|
|
||||||
|
actual, err := modes.Encode.Marshal(decoded)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatal(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
expected := tc.example
|
||||||
|
if tc.encoded != nil {
|
||||||
|
expected = tc.encoded
|
||||||
|
if len(tc.reasons) == 0 {
|
||||||
|
t.Fatal("invalid test case: missing reasons for difference between the example encoding and the actual encoding")
|
||||||
|
}
|
||||||
|
diff := cmp.Diff(tc.example, tc.encoded)
|
||||||
|
if diff == "" {
|
||||||
|
t.Fatal("invalid test case: no difference between the example encoding and the expected re-encoding")
|
||||||
|
}
|
||||||
|
t.Logf("expecting the following differences from the example encoding on re-encode:\n%s", diff)
|
||||||
|
t.Logf("reasons for encoding differences:")
|
||||||
|
for _, reason := range tc.reasons {
|
||||||
|
t.Logf("- %s", reason)
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
if diff := cmp.Diff(expected, actual); diff != "" {
|
||||||
|
t.Errorf("re-encoded object differs from expected:\n%s", diff)
|
||||||
|
}
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user