mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-25 14:34:29 +00:00
739 lines
17 KiB
Go
739 lines
17 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package gob
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
type ET2 struct {
|
|
X string
|
|
}
|
|
|
|
type ET1 struct {
|
|
A int
|
|
Et2 *ET2
|
|
Next *ET1
|
|
}
|
|
|
|
// Like ET1 but with a different name for a field
|
|
type ET3 struct {
|
|
A int
|
|
Et2 *ET2
|
|
DifferentNext *ET1
|
|
}
|
|
|
|
// Like ET1 but with a different type for a field
|
|
type ET4 struct {
|
|
A int
|
|
Et2 float64
|
|
Next int
|
|
}
|
|
|
|
func TestEncoderDecoder(t *testing.T) {
|
|
b := new(bytes.Buffer)
|
|
enc := NewEncoder(b)
|
|
et1 := new(ET1)
|
|
et1.A = 7
|
|
et1.Et2 = new(ET2)
|
|
err := enc.Encode(et1)
|
|
if err != nil {
|
|
t.Error("encoder fail:", err)
|
|
}
|
|
dec := NewDecoder(b)
|
|
newEt1 := new(ET1)
|
|
err = dec.Decode(newEt1)
|
|
if err != nil {
|
|
t.Fatal("error decoding ET1:", err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(et1, newEt1) {
|
|
t.Fatalf("invalid data for et1: expected %+v; got %+v", *et1, *newEt1)
|
|
}
|
|
if b.Len() != 0 {
|
|
t.Error("not at eof;", b.Len(), "bytes left")
|
|
}
|
|
|
|
enc.Encode(et1)
|
|
newEt1 = new(ET1)
|
|
err = dec.Decode(newEt1)
|
|
if err != nil {
|
|
t.Fatal("round 2: error decoding ET1:", err)
|
|
}
|
|
if !reflect.DeepEqual(et1, newEt1) {
|
|
t.Fatalf("round 2: invalid data for et1: expected %+v; got %+v", *et1, *newEt1)
|
|
}
|
|
if b.Len() != 0 {
|
|
t.Error("round 2: not at eof;", b.Len(), "bytes left")
|
|
}
|
|
|
|
// Now test with a running encoder/decoder pair that we recognize a type mismatch.
|
|
err = enc.Encode(et1)
|
|
if err != nil {
|
|
t.Error("round 3: encoder fail:", err)
|
|
}
|
|
newEt2 := new(ET2)
|
|
err = dec.Decode(newEt2)
|
|
if err == nil {
|
|
t.Fatal("round 3: expected `bad type' error decoding ET2")
|
|
}
|
|
}
|
|
|
|
// Run one value through the encoder/decoder, but use the wrong type.
|
|
// Input is always an ET1; we compare it to whatever is under 'e'.
|
|
func badTypeCheck(e interface{}, shouldFail bool, msg string, t *testing.T) {
|
|
b := new(bytes.Buffer)
|
|
enc := NewEncoder(b)
|
|
et1 := new(ET1)
|
|
et1.A = 7
|
|
et1.Et2 = new(ET2)
|
|
err := enc.Encode(et1)
|
|
if err != nil {
|
|
t.Error("encoder fail:", err)
|
|
}
|
|
dec := NewDecoder(b)
|
|
err = dec.Decode(e)
|
|
if shouldFail && err == nil {
|
|
t.Error("expected error for", msg)
|
|
}
|
|
if !shouldFail && err != nil {
|
|
t.Error("unexpected error for", msg, err)
|
|
}
|
|
}
|
|
|
|
// Test that we recognize a bad type the first time.
|
|
func TestWrongTypeDecoder(t *testing.T) {
|
|
badTypeCheck(new(ET2), true, "no fields in common", t)
|
|
badTypeCheck(new(ET3), false, "different name of field", t)
|
|
badTypeCheck(new(ET4), true, "different type of field", t)
|
|
}
|
|
|
|
func corruptDataCheck(s string, err error, t *testing.T) {
|
|
b := bytes.NewBufferString(s)
|
|
dec := NewDecoder(b)
|
|
err1 := dec.Decode(new(ET2))
|
|
if err1 != err {
|
|
t.Errorf("from %q expected error %s; got %s", s, err, err1)
|
|
}
|
|
}
|
|
|
|
// Check that we survive bad data.
|
|
func TestBadData(t *testing.T) {
|
|
corruptDataCheck("", io.EOF, t)
|
|
corruptDataCheck("\x7Fhi", io.ErrUnexpectedEOF, t)
|
|
corruptDataCheck("\x03now is the time for all good men", errBadType, t)
|
|
}
|
|
|
|
// Types not supported by the Encoder.
|
|
var unsupportedValues = []interface{}{
|
|
make(chan int),
|
|
func(a int) bool { return true },
|
|
}
|
|
|
|
func TestUnsupported(t *testing.T) {
|
|
var b bytes.Buffer
|
|
enc := NewEncoder(&b)
|
|
for _, v := range unsupportedValues {
|
|
err := enc.Encode(v)
|
|
if err == nil {
|
|
t.Errorf("expected error for %T; got none", v)
|
|
}
|
|
}
|
|
}
|
|
|
|
func encAndDec(in, out interface{}) error {
|
|
b := new(bytes.Buffer)
|
|
enc := NewEncoder(b)
|
|
err := enc.Encode(in)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
dec := NewDecoder(b)
|
|
err = dec.Decode(out)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func TestTypeToPtrType(t *testing.T) {
|
|
// Encode a T, decode a *T
|
|
type Type0 struct {
|
|
A int
|
|
}
|
|
t0 := Type0{7}
|
|
t0p := new(Type0)
|
|
if err := encAndDec(t0, t0p); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestPtrTypeToType(t *testing.T) {
|
|
// Encode a *T, decode a T
|
|
type Type1 struct {
|
|
A uint
|
|
}
|
|
t1p := &Type1{17}
|
|
var t1 Type1
|
|
if err := encAndDec(t1, t1p); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestTypeToPtrPtrPtrPtrType(t *testing.T) {
|
|
type Type2 struct {
|
|
A ****float64
|
|
}
|
|
t2 := Type2{}
|
|
t2.A = new(***float64)
|
|
*t2.A = new(**float64)
|
|
**t2.A = new(*float64)
|
|
***t2.A = new(float64)
|
|
****t2.A = 27.4
|
|
t2pppp := new(***Type2)
|
|
if err := encAndDec(t2, t2pppp); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ****(****t2pppp).A != ****t2.A {
|
|
t.Errorf("wrong value after decode: %g not %g", ****(****t2pppp).A, ****t2.A)
|
|
}
|
|
}
|
|
|
|
func TestSlice(t *testing.T) {
|
|
type Type3 struct {
|
|
A []string
|
|
}
|
|
t3p := &Type3{[]string{"hello", "world"}}
|
|
var t3 Type3
|
|
if err := encAndDec(t3, t3p); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestValueError(t *testing.T) {
|
|
// Encode a *T, decode a T
|
|
type Type4 struct {
|
|
A int
|
|
}
|
|
t4p := &Type4{3}
|
|
var t4 Type4 // note: not a pointer.
|
|
if err := encAndDec(t4p, t4); err == nil || strings.Index(err.Error(), "pointer") < 0 {
|
|
t.Error("expected error about pointer; got", err)
|
|
}
|
|
}
|
|
|
|
func TestArray(t *testing.T) {
|
|
type Type5 struct {
|
|
A [3]string
|
|
B [3]byte
|
|
}
|
|
type Type6 struct {
|
|
A [2]string // can't hold t5.a
|
|
}
|
|
t5 := Type5{[3]string{"hello", ",", "world"}, [3]byte{1, 2, 3}}
|
|
var t5p Type5
|
|
if err := encAndDec(t5, &t5p); err != nil {
|
|
t.Error(err)
|
|
}
|
|
var t6 Type6
|
|
if err := encAndDec(t5, &t6); err == nil {
|
|
t.Error("should fail with mismatched array sizes")
|
|
}
|
|
}
|
|
|
|
func TestRecursiveMapType(t *testing.T) {
|
|
type recursiveMap map[string]recursiveMap
|
|
r1 := recursiveMap{"A": recursiveMap{"B": nil, "C": nil}, "D": nil}
|
|
r2 := make(recursiveMap)
|
|
if err := encAndDec(r1, &r2); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestRecursiveSliceType(t *testing.T) {
|
|
type recursiveSlice []recursiveSlice
|
|
r1 := recursiveSlice{0: recursiveSlice{0: nil}, 1: nil}
|
|
r2 := make(recursiveSlice, 0)
|
|
if err := encAndDec(r1, &r2); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
// Regression test for bug: must send zero values inside arrays
|
|
func TestDefaultsInArray(t *testing.T) {
|
|
type Type7 struct {
|
|
B []bool
|
|
I []int
|
|
S []string
|
|
F []float64
|
|
}
|
|
t7 := Type7{
|
|
[]bool{false, false, true},
|
|
[]int{0, 0, 1},
|
|
[]string{"hi", "", "there"},
|
|
[]float64{0, 0, 1},
|
|
}
|
|
var t7p Type7
|
|
if err := encAndDec(t7, &t7p); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
var testInt int
|
|
var testFloat32 float32
|
|
var testString string
|
|
var testSlice []string
|
|
var testMap map[string]int
|
|
var testArray [7]int
|
|
|
|
type SingleTest struct {
|
|
in interface{}
|
|
out interface{}
|
|
err string
|
|
}
|
|
|
|
var singleTests = []SingleTest{
|
|
{17, &testInt, ""},
|
|
{float32(17.5), &testFloat32, ""},
|
|
{"bike shed", &testString, ""},
|
|
{[]string{"bike", "shed", "paint", "color"}, &testSlice, ""},
|
|
{map[string]int{"seven": 7, "twelve": 12}, &testMap, ""},
|
|
{[7]int{4, 55, 0, 0, 0, 0, 0}, &testArray, ""}, // case that once triggered a bug
|
|
{[7]int{4, 55, 1, 44, 22, 66, 1234}, &testArray, ""},
|
|
|
|
// Decode errors
|
|
{172, &testFloat32, "type"},
|
|
}
|
|
|
|
func TestSingletons(t *testing.T) {
|
|
b := new(bytes.Buffer)
|
|
enc := NewEncoder(b)
|
|
dec := NewDecoder(b)
|
|
for _, test := range singleTests {
|
|
b.Reset()
|
|
err := enc.Encode(test.in)
|
|
if err != nil {
|
|
t.Errorf("error encoding %v: %s", test.in, err)
|
|
continue
|
|
}
|
|
err = dec.Decode(test.out)
|
|
switch {
|
|
case err != nil && test.err == "":
|
|
t.Errorf("error decoding %v: %s", test.in, err)
|
|
continue
|
|
case err == nil && test.err != "":
|
|
t.Errorf("expected error decoding %v: %s", test.in, test.err)
|
|
continue
|
|
case err != nil && test.err != "":
|
|
if strings.Index(err.Error(), test.err) < 0 {
|
|
t.Errorf("wrong error decoding %v: wanted %s, got %v", test.in, test.err, err)
|
|
}
|
|
continue
|
|
}
|
|
// Get rid of the pointer in the rhs
|
|
val := reflect.ValueOf(test.out).Elem().Interface()
|
|
if !reflect.DeepEqual(test.in, val) {
|
|
t.Errorf("decoding singleton: expected %v got %v", test.in, val)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStructNonStruct(t *testing.T) {
|
|
type Struct struct {
|
|
A string
|
|
}
|
|
type NonStruct string
|
|
s := Struct{"hello"}
|
|
var sp Struct
|
|
if err := encAndDec(s, &sp); err != nil {
|
|
t.Error(err)
|
|
}
|
|
var ns NonStruct
|
|
if err := encAndDec(s, &ns); err == nil {
|
|
t.Error("should get error for struct/non-struct")
|
|
} else if strings.Index(err.Error(), "type") < 0 {
|
|
t.Error("for struct/non-struct expected type error; got", err)
|
|
}
|
|
// Now try the other way
|
|
var nsp NonStruct
|
|
if err := encAndDec(ns, &nsp); err != nil {
|
|
t.Error(err)
|
|
}
|
|
if err := encAndDec(ns, &s); err == nil {
|
|
t.Error("should get error for non-struct/struct")
|
|
} else if strings.Index(err.Error(), "type") < 0 {
|
|
t.Error("for non-struct/struct expected type error; got", err)
|
|
}
|
|
}
|
|
|
|
type interfaceIndirectTestI interface {
|
|
F() bool
|
|
}
|
|
|
|
type interfaceIndirectTestT struct{}
|
|
|
|
func (this *interfaceIndirectTestT) F() bool {
|
|
return true
|
|
}
|
|
|
|
// A version of a bug reported on golang-nuts. Also tests top-level
|
|
// slice of interfaces. The issue was registering *T caused T to be
|
|
// stored as the concrete type.
|
|
func TestInterfaceIndirect(t *testing.T) {
|
|
Register(&interfaceIndirectTestT{})
|
|
b := new(bytes.Buffer)
|
|
w := []interfaceIndirectTestI{&interfaceIndirectTestT{}}
|
|
err := NewEncoder(b).Encode(w)
|
|
if err != nil {
|
|
t.Fatal("encode error:", err)
|
|
}
|
|
|
|
var r []interfaceIndirectTestI
|
|
err = NewDecoder(b).Decode(&r)
|
|
if err != nil {
|
|
t.Fatal("decode error:", err)
|
|
}
|
|
}
|
|
|
|
// Now follow various tests that decode into things that can't represent the
|
|
// encoded value, all of which should be legal.
|
|
|
|
// Also, when the ignored object contains an interface value, it may define
|
|
// types. Make sure that skipping the value still defines the types by using
|
|
// the encoder/decoder pair to send a value afterwards. If an interface
|
|
// is sent, its type in the test is always NewType0, so this checks that the
|
|
// encoder and decoder don't skew with respect to type definitions.
|
|
|
|
type Struct0 struct {
|
|
I interface{}
|
|
}
|
|
|
|
type NewType0 struct {
|
|
S string
|
|
}
|
|
|
|
type ignoreTest struct {
|
|
in, out interface{}
|
|
}
|
|
|
|
var ignoreTests = []ignoreTest{
|
|
// Decode normal struct into an empty struct
|
|
{&struct{ A int }{23}, &struct{}{}},
|
|
// Decode normal struct into a nil.
|
|
{&struct{ A int }{23}, nil},
|
|
// Decode singleton string into a nil.
|
|
{"hello, world", nil},
|
|
// Decode singleton slice into a nil.
|
|
{[]int{1, 2, 3, 4}, nil},
|
|
// Decode struct containing an interface into a nil.
|
|
{&Struct0{&NewType0{"value0"}}, nil},
|
|
// Decode singleton slice of interfaces into a nil.
|
|
{[]interface{}{"hi", &NewType0{"value1"}, 23}, nil},
|
|
}
|
|
|
|
func TestDecodeIntoNothing(t *testing.T) {
|
|
Register(new(NewType0))
|
|
for i, test := range ignoreTests {
|
|
b := new(bytes.Buffer)
|
|
enc := NewEncoder(b)
|
|
err := enc.Encode(test.in)
|
|
if err != nil {
|
|
t.Errorf("%d: encode error %s:", i, err)
|
|
continue
|
|
}
|
|
dec := NewDecoder(b)
|
|
err = dec.Decode(test.out)
|
|
if err != nil {
|
|
t.Errorf("%d: decode error: %s", i, err)
|
|
continue
|
|
}
|
|
// Now see if the encoder and decoder are in a consistent state.
|
|
str := fmt.Sprintf("Value %d", i)
|
|
err = enc.Encode(&NewType0{str})
|
|
if err != nil {
|
|
t.Fatalf("%d: NewType0 encode error: %s", i, err)
|
|
}
|
|
ns := new(NewType0)
|
|
err = dec.Decode(ns)
|
|
if err != nil {
|
|
t.Fatalf("%d: NewType0 decode error: %s", i, err)
|
|
}
|
|
if ns.S != str {
|
|
t.Fatalf("%d: expected %q got %q", i, str, ns.S)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Another bug from golang-nuts, involving nested interfaces.
|
|
type Bug0Outer struct {
|
|
Bug0Field interface{}
|
|
}
|
|
|
|
type Bug0Inner struct {
|
|
A int
|
|
}
|
|
|
|
func TestNestedInterfaces(t *testing.T) {
|
|
var buf bytes.Buffer
|
|
e := NewEncoder(&buf)
|
|
d := NewDecoder(&buf)
|
|
Register(new(Bug0Outer))
|
|
Register(new(Bug0Inner))
|
|
f := &Bug0Outer{&Bug0Outer{&Bug0Inner{7}}}
|
|
var v interface{} = f
|
|
err := e.Encode(&v)
|
|
if err != nil {
|
|
t.Fatal("Encode:", err)
|
|
}
|
|
err = d.Decode(&v)
|
|
if err != nil {
|
|
t.Fatal("Decode:", err)
|
|
}
|
|
// Make sure it decoded correctly.
|
|
outer1, ok := v.(*Bug0Outer)
|
|
if !ok {
|
|
t.Fatalf("v not Bug0Outer: %T", v)
|
|
}
|
|
outer2, ok := outer1.Bug0Field.(*Bug0Outer)
|
|
if !ok {
|
|
t.Fatalf("v.Bug0Field not Bug0Outer: %T", outer1.Bug0Field)
|
|
}
|
|
inner, ok := outer2.Bug0Field.(*Bug0Inner)
|
|
if !ok {
|
|
t.Fatalf("v.Bug0Field.Bug0Field not Bug0Inner: %T", outer2.Bug0Field)
|
|
}
|
|
if inner.A != 7 {
|
|
t.Fatalf("final value %d; expected %d", inner.A, 7)
|
|
}
|
|
}
|
|
|
|
// The bugs keep coming. We forgot to send map subtypes before the map.
|
|
|
|
type Bug1Elem struct {
|
|
Name string
|
|
Id int
|
|
}
|
|
|
|
type Bug1StructMap map[string]Bug1Elem
|
|
|
|
func bug1EncDec(in Bug1StructMap, out *Bug1StructMap) error {
|
|
return nil
|
|
}
|
|
|
|
func TestMapBug1(t *testing.T) {
|
|
in := make(Bug1StructMap)
|
|
in["val1"] = Bug1Elem{"elem1", 1}
|
|
in["val2"] = Bug1Elem{"elem2", 2}
|
|
|
|
b := new(bytes.Buffer)
|
|
enc := NewEncoder(b)
|
|
err := enc.Encode(in)
|
|
if err != nil {
|
|
t.Fatal("encode:", err)
|
|
}
|
|
dec := NewDecoder(b)
|
|
out := make(Bug1StructMap)
|
|
err = dec.Decode(&out)
|
|
if err != nil {
|
|
t.Fatal("decode:", err)
|
|
}
|
|
if !reflect.DeepEqual(in, out) {
|
|
t.Errorf("mismatch: %v %v", in, out)
|
|
}
|
|
}
|
|
|
|
func TestGobMapInterfaceEncode(t *testing.T) {
|
|
m := map[string]interface{}{
|
|
"up": uintptr(0),
|
|
"i0": []int{-1},
|
|
"i1": []int8{-1},
|
|
"i2": []int16{-1},
|
|
"i3": []int32{-1},
|
|
"i4": []int64{-1},
|
|
"u0": []uint{1},
|
|
"u1": []uint8{1},
|
|
"u2": []uint16{1},
|
|
"u3": []uint32{1},
|
|
"u4": []uint64{1},
|
|
"f0": []float32{1},
|
|
"f1": []float64{1},
|
|
"c0": []complex64{complex(2, -2)},
|
|
"c1": []complex128{complex(2, float64(-2))},
|
|
"us": []uintptr{0},
|
|
"bo": []bool{false},
|
|
"st": []string{"s"},
|
|
}
|
|
enc := NewEncoder(new(bytes.Buffer))
|
|
err := enc.Encode(m)
|
|
if err != nil {
|
|
t.Errorf("encode map: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestSliceReusesMemory(t *testing.T) {
|
|
buf := new(bytes.Buffer)
|
|
// Bytes
|
|
{
|
|
x := []byte("abcd")
|
|
enc := NewEncoder(buf)
|
|
err := enc.Encode(x)
|
|
if err != nil {
|
|
t.Errorf("bytes: encode: %s", err)
|
|
}
|
|
// Decode into y, which is big enough.
|
|
y := []byte("ABCDE")
|
|
addr := &y[0]
|
|
dec := NewDecoder(buf)
|
|
err = dec.Decode(&y)
|
|
if err != nil {
|
|
t.Fatal("bytes: decode:", err)
|
|
}
|
|
if !bytes.Equal(x, y) {
|
|
t.Errorf("bytes: expected %q got %q\n", x, y)
|
|
}
|
|
if addr != &y[0] {
|
|
t.Errorf("bytes: unnecessary reallocation")
|
|
}
|
|
}
|
|
// general slice
|
|
{
|
|
x := []rune("abcd")
|
|
enc := NewEncoder(buf)
|
|
err := enc.Encode(x)
|
|
if err != nil {
|
|
t.Errorf("ints: encode: %s", err)
|
|
}
|
|
// Decode into y, which is big enough.
|
|
y := []rune("ABCDE")
|
|
addr := &y[0]
|
|
dec := NewDecoder(buf)
|
|
err = dec.Decode(&y)
|
|
if err != nil {
|
|
t.Fatal("ints: decode:", err)
|
|
}
|
|
if !reflect.DeepEqual(x, y) {
|
|
t.Errorf("ints: expected %q got %q\n", x, y)
|
|
}
|
|
if addr != &y[0] {
|
|
t.Errorf("ints: unnecessary reallocation")
|
|
}
|
|
}
|
|
}
|
|
|
|
// Used to crash: negative count in recvMessage.
|
|
func TestBadCount(t *testing.T) {
|
|
b := []byte{0xfb, 0xa5, 0x82, 0x2f, 0xca, 0x1}
|
|
if err := NewDecoder(bytes.NewBuffer(b)).Decode(nil); err == nil {
|
|
t.Error("expected error from bad count")
|
|
} else if err.Error() != errBadCount.Error() {
|
|
t.Error("expected bad count error; got", err)
|
|
}
|
|
}
|
|
|
|
// Verify that sequential Decoders built on a single input will
|
|
// succeed if the input implements ReadByte and there is no
|
|
// type information in the stream.
|
|
func TestSequentialDecoder(t *testing.T) {
|
|
b := new(bytes.Buffer)
|
|
enc := NewEncoder(b)
|
|
const count = 10
|
|
for i := 0; i < count; i++ {
|
|
s := fmt.Sprintf("%d", i)
|
|
if err := enc.Encode(s); err != nil {
|
|
t.Error("encoder fail:", err)
|
|
}
|
|
}
|
|
for i := 0; i < count; i++ {
|
|
dec := NewDecoder(b)
|
|
var s string
|
|
if err := dec.Decode(&s); err != nil {
|
|
t.Fatal("decoder fail:", err)
|
|
}
|
|
if s != fmt.Sprintf("%d", i) {
|
|
t.Fatalf("decode expected %d got %s", i, s)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Should be able to have unrepresentable fields (chan, func) as long as they
|
|
// are unexported.
|
|
type Bug2 struct {
|
|
A int
|
|
b chan int
|
|
}
|
|
|
|
func TestUnexportedChan(t *testing.T) {
|
|
b := Bug2{23, make(chan int)}
|
|
var stream bytes.Buffer
|
|
enc := NewEncoder(&stream)
|
|
if err := enc.Encode(b); err != nil {
|
|
t.Fatalf("error encoding unexported channel: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestSliceIncompatibility(t *testing.T) {
|
|
var in = []byte{1, 2, 3}
|
|
var out []int
|
|
if err := encAndDec(in, &out); err == nil {
|
|
t.Error("expected compatibility error")
|
|
}
|
|
}
|
|
|
|
// Mutually recursive slices of structs caused problems.
|
|
type Bug3 struct {
|
|
Num int
|
|
Children []*Bug3
|
|
}
|
|
|
|
func TestGobPtrSlices(t *testing.T) {
|
|
in := []*Bug3{
|
|
&Bug3{1, nil},
|
|
&Bug3{2, nil},
|
|
}
|
|
b := new(bytes.Buffer)
|
|
err := NewEncoder(b).Encode(&in)
|
|
if err != nil {
|
|
t.Fatal("encode:", err)
|
|
}
|
|
|
|
var out []*Bug3
|
|
err = NewDecoder(b).Decode(&out)
|
|
if err != nil {
|
|
t.Fatal("decode:", err)
|
|
}
|
|
if !reflect.DeepEqual(in, out) {
|
|
t.Fatalf("got %v; wanted %v", out, in)
|
|
}
|
|
}
|
|
|
|
// getDecEnginePtr cached engine for ut.base instead of ut.user so we passed
|
|
// a *map and then tried to reuse its engine to decode the inner map.
|
|
func TestPtrToMapOfMap(t *testing.T) {
|
|
Register(make(map[string]interface{}))
|
|
subdata := make(map[string]interface{})
|
|
subdata["bar"] = "baz"
|
|
data := make(map[string]interface{})
|
|
data["foo"] = subdata
|
|
|
|
b := new(bytes.Buffer)
|
|
err := NewEncoder(b).Encode(data)
|
|
if err != nil {
|
|
t.Fatal("encode:", err)
|
|
}
|
|
var newData map[string]interface{}
|
|
err = NewDecoder(b).Decode(&newData)
|
|
if err != nil {
|
|
t.Fatal("decode:", err)
|
|
}
|
|
if !reflect.DeepEqual(data, newData) {
|
|
t.Fatalf("expected %v got %v", data, newData)
|
|
}
|
|
}
|