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Diffstat (limited to 'gcc-4.8.1/libgo/go/encoding/gob/codec_test.go')
-rw-r--r--gcc-4.8.1/libgo/go/encoding/gob/codec_test.go1480
1 files changed, 0 insertions, 1480 deletions
diff --git a/gcc-4.8.1/libgo/go/encoding/gob/codec_test.go b/gcc-4.8.1/libgo/go/encoding/gob/codec_test.go
deleted file mode 100644
index 482212b74..000000000
--- a/gcc-4.8.1/libgo/go/encoding/gob/codec_test.go
+++ /dev/null
@@ -1,1480 +0,0 @@
-// 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"
- "errors"
- "flag"
- "math"
- "math/rand"
- "reflect"
- "strings"
- "testing"
- "time"
- "unsafe"
-)
-
-var doFuzzTests = flag.Bool("gob.fuzz", false, "run the fuzz tests, which are large and very slow")
-
-// Guarantee encoding format by comparing some encodings to hand-written values
-type EncodeT struct {
- x uint64
- b []byte
-}
-
-var encodeT = []EncodeT{
- {0x00, []byte{0x00}},
- {0x0F, []byte{0x0F}},
- {0xFF, []byte{0xFF, 0xFF}},
- {0xFFFF, []byte{0xFE, 0xFF, 0xFF}},
- {0xFFFFFF, []byte{0xFD, 0xFF, 0xFF, 0xFF}},
- {0xFFFFFFFF, []byte{0xFC, 0xFF, 0xFF, 0xFF, 0xFF}},
- {0xFFFFFFFFFF, []byte{0xFB, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
- {0xFFFFFFFFFFFF, []byte{0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
- {0xFFFFFFFFFFFFFF, []byte{0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
- {0xFFFFFFFFFFFFFFFF, []byte{0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
- {0x1111, []byte{0xFE, 0x11, 0x11}},
- {0x1111111111111111, []byte{0xF8, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11}},
- {0x8888888888888888, []byte{0xF8, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88}},
- {1 << 63, []byte{0xF8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
-}
-
-// testError is meant to be used as a deferred function to turn a panic(gobError) into a
-// plain test.Error call.
-func testError(t *testing.T) {
- if e := recover(); e != nil {
- t.Error(e.(gobError).err) // Will re-panic if not one of our errors, such as a runtime error.
- }
- return
-}
-
-// Test basic encode/decode routines for unsigned integers
-func TestUintCodec(t *testing.T) {
- defer testError(t)
- b := new(bytes.Buffer)
- encState := newEncoderState(b)
- for _, tt := range encodeT {
- b.Reset()
- encState.encodeUint(tt.x)
- if !bytes.Equal(tt.b, b.Bytes()) {
- t.Errorf("encodeUint: %#x encode: expected % x got % x", tt.x, tt.b, b.Bytes())
- }
- }
- decState := newDecodeState(b)
- for u := uint64(0); ; u = (u + 1) * 7 {
- b.Reset()
- encState.encodeUint(u)
- v := decState.decodeUint()
- if u != v {
- t.Errorf("Encode/Decode: sent %#x received %#x", u, v)
- }
- if u&(1<<63) != 0 {
- break
- }
- }
-}
-
-func verifyInt(i int64, t *testing.T) {
- defer testError(t)
- var b = new(bytes.Buffer)
- encState := newEncoderState(b)
- encState.encodeInt(i)
- decState := newDecodeState(b)
- decState.buf = make([]byte, 8)
- j := decState.decodeInt()
- if i != j {
- t.Errorf("Encode/Decode: sent %#x received %#x", uint64(i), uint64(j))
- }
-}
-
-// Test basic encode/decode routines for signed integers
-func TestIntCodec(t *testing.T) {
- for u := uint64(0); ; u = (u + 1) * 7 {
- // Do positive and negative values
- i := int64(u)
- verifyInt(i, t)
- verifyInt(-i, t)
- verifyInt(^i, t)
- if u&(1<<63) != 0 {
- break
- }
- }
- verifyInt(-1<<63, t) // a tricky case
-}
-
-// The result of encoding a true boolean with field number 7
-var boolResult = []byte{0x07, 0x01}
-
-// The result of encoding a number 17 with field number 7
-var signedResult = []byte{0x07, 2 * 17}
-var unsignedResult = []byte{0x07, 17}
-var floatResult = []byte{0x07, 0xFE, 0x31, 0x40}
-
-// The result of encoding a number 17+19i with field number 7
-var complexResult = []byte{0x07, 0xFE, 0x31, 0x40, 0xFE, 0x33, 0x40}
-
-// The result of encoding "hello" with field number 7
-var bytesResult = []byte{0x07, 0x05, 'h', 'e', 'l', 'l', 'o'}
-
-func newDecodeState(buf *bytes.Buffer) *decoderState {
- d := new(decoderState)
- d.b = buf
- d.buf = make([]byte, uint64Size)
- return d
-}
-
-func newEncoderState(b *bytes.Buffer) *encoderState {
- b.Reset()
- state := &encoderState{enc: nil, b: b}
- state.fieldnum = -1
- return state
-}
-
-// Test instruction execution for encoding.
-// Do not run the machine yet; instead do individual instructions crafted by hand.
-func TestScalarEncInstructions(t *testing.T) {
- var b = new(bytes.Buffer)
-
- // bool
- {
- data := struct{ a bool }{true}
- instr := &encInstr{encBool, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(boolResult, b.Bytes()) {
- t.Errorf("bool enc instructions: expected % x got % x", boolResult, b.Bytes())
- }
- }
-
- // int
- {
- b.Reset()
- data := struct{ a int }{17}
- instr := &encInstr{encInt, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(signedResult, b.Bytes()) {
- t.Errorf("int enc instructions: expected % x got % x", signedResult, b.Bytes())
- }
- }
-
- // uint
- {
- b.Reset()
- data := struct{ a uint }{17}
- instr := &encInstr{encUint, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(unsignedResult, b.Bytes()) {
- t.Errorf("uint enc instructions: expected % x got % x", unsignedResult, b.Bytes())
- }
- }
-
- // int8
- {
- b.Reset()
- data := struct{ a int8 }{17}
- instr := &encInstr{encInt8, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(signedResult, b.Bytes()) {
- t.Errorf("int8 enc instructions: expected % x got % x", signedResult, b.Bytes())
- }
- }
-
- // uint8
- {
- b.Reset()
- data := struct{ a uint8 }{17}
- instr := &encInstr{encUint8, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(unsignedResult, b.Bytes()) {
- t.Errorf("uint8 enc instructions: expected % x got % x", unsignedResult, b.Bytes())
- }
- }
-
- // int16
- {
- b.Reset()
- data := struct{ a int16 }{17}
- instr := &encInstr{encInt16, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(signedResult, b.Bytes()) {
- t.Errorf("int16 enc instructions: expected % x got % x", signedResult, b.Bytes())
- }
- }
-
- // uint16
- {
- b.Reset()
- data := struct{ a uint16 }{17}
- instr := &encInstr{encUint16, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(unsignedResult, b.Bytes()) {
- t.Errorf("uint16 enc instructions: expected % x got % x", unsignedResult, b.Bytes())
- }
- }
-
- // int32
- {
- b.Reset()
- data := struct{ a int32 }{17}
- instr := &encInstr{encInt32, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(signedResult, b.Bytes()) {
- t.Errorf("int32 enc instructions: expected % x got % x", signedResult, b.Bytes())
- }
- }
-
- // uint32
- {
- b.Reset()
- data := struct{ a uint32 }{17}
- instr := &encInstr{encUint32, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(unsignedResult, b.Bytes()) {
- t.Errorf("uint32 enc instructions: expected % x got % x", unsignedResult, b.Bytes())
- }
- }
-
- // int64
- {
- b.Reset()
- data := struct{ a int64 }{17}
- instr := &encInstr{encInt64, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(signedResult, b.Bytes()) {
- t.Errorf("int64 enc instructions: expected % x got % x", signedResult, b.Bytes())
- }
- }
-
- // uint64
- {
- b.Reset()
- data := struct{ a uint64 }{17}
- instr := &encInstr{encUint64, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(unsignedResult, b.Bytes()) {
- t.Errorf("uint64 enc instructions: expected % x got % x", unsignedResult, b.Bytes())
- }
- }
-
- // float32
- {
- b.Reset()
- data := struct{ a float32 }{17}
- instr := &encInstr{encFloat32, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(floatResult, b.Bytes()) {
- t.Errorf("float32 enc instructions: expected % x got % x", floatResult, b.Bytes())
- }
- }
-
- // float64
- {
- b.Reset()
- data := struct{ a float64 }{17}
- instr := &encInstr{encFloat64, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(floatResult, b.Bytes()) {
- t.Errorf("float64 enc instructions: expected % x got % x", floatResult, b.Bytes())
- }
- }
-
- // bytes == []uint8
- {
- b.Reset()
- data := struct{ a []byte }{[]byte("hello")}
- instr := &encInstr{encUint8Array, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(bytesResult, b.Bytes()) {
- t.Errorf("bytes enc instructions: expected % x got % x", bytesResult, b.Bytes())
- }
- }
-
- // string
- {
- b.Reset()
- data := struct{ a string }{"hello"}
- instr := &encInstr{encString, 6, 0, 0}
- state := newEncoderState(b)
- instr.op(instr, state, unsafe.Pointer(&data))
- if !bytes.Equal(bytesResult, b.Bytes()) {
- t.Errorf("string enc instructions: expected % x got % x", bytesResult, b.Bytes())
- }
- }
-}
-
-func execDec(typ string, instr *decInstr, state *decoderState, t *testing.T, p unsafe.Pointer) {
- defer testError(t)
- v := int(state.decodeUint())
- if v+state.fieldnum != 6 {
- t.Fatalf("decoding field number %d, got %d", 6, v+state.fieldnum)
- }
- instr.op(instr, state, decIndirect(p, instr.indir))
- state.fieldnum = 6
-}
-
-func newDecodeStateFromData(data []byte) *decoderState {
- b := bytes.NewBuffer(data)
- state := newDecodeState(b)
- state.fieldnum = -1
- return state
-}
-
-// Test instruction execution for decoding.
-// Do not run the machine yet; instead do individual instructions crafted by hand.
-func TestScalarDecInstructions(t *testing.T) {
- ovfl := errors.New("overflow")
-
- // bool
- {
- var data struct {
- a bool
- }
- instr := &decInstr{decBool, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(boolResult)
- execDec("bool", instr, state, t, unsafe.Pointer(&data))
- if data.a != true {
- t.Errorf("bool a = %v not true", data.a)
- }
- }
- // int
- {
- var data struct {
- a int
- }
- instr := &decInstr{decOpTable[reflect.Int], 6, 0, 0, ovfl}
- state := newDecodeStateFromData(signedResult)
- execDec("int", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("int a = %v not 17", data.a)
- }
- }
-
- // uint
- {
- var data struct {
- a uint
- }
- instr := &decInstr{decOpTable[reflect.Uint], 6, 0, 0, ovfl}
- state := newDecodeStateFromData(unsignedResult)
- execDec("uint", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("uint a = %v not 17", data.a)
- }
- }
-
- // int8
- {
- var data struct {
- a int8
- }
- instr := &decInstr{decInt8, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(signedResult)
- execDec("int8", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("int8 a = %v not 17", data.a)
- }
- }
-
- // uint8
- {
- var data struct {
- a uint8
- }
- instr := &decInstr{decUint8, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(unsignedResult)
- execDec("uint8", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("uint8 a = %v not 17", data.a)
- }
- }
-
- // int16
- {
- var data struct {
- a int16
- }
- instr := &decInstr{decInt16, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(signedResult)
- execDec("int16", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("int16 a = %v not 17", data.a)
- }
- }
-
- // uint16
- {
- var data struct {
- a uint16
- }
- instr := &decInstr{decUint16, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(unsignedResult)
- execDec("uint16", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("uint16 a = %v not 17", data.a)
- }
- }
-
- // int32
- {
- var data struct {
- a int32
- }
- instr := &decInstr{decInt32, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(signedResult)
- execDec("int32", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("int32 a = %v not 17", data.a)
- }
- }
-
- // uint32
- {
- var data struct {
- a uint32
- }
- instr := &decInstr{decUint32, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(unsignedResult)
- execDec("uint32", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("uint32 a = %v not 17", data.a)
- }
- }
-
- // uintptr
- {
- var data struct {
- a uintptr
- }
- instr := &decInstr{decOpTable[reflect.Uintptr], 6, 0, 0, ovfl}
- state := newDecodeStateFromData(unsignedResult)
- execDec("uintptr", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("uintptr a = %v not 17", data.a)
- }
- }
-
- // int64
- {
- var data struct {
- a int64
- }
- instr := &decInstr{decInt64, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(signedResult)
- execDec("int64", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("int64 a = %v not 17", data.a)
- }
- }
-
- // uint64
- {
- var data struct {
- a uint64
- }
- instr := &decInstr{decUint64, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(unsignedResult)
- execDec("uint64", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("uint64 a = %v not 17", data.a)
- }
- }
-
- // float32
- {
- var data struct {
- a float32
- }
- instr := &decInstr{decFloat32, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(floatResult)
- execDec("float32", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("float32 a = %v not 17", data.a)
- }
- }
-
- // float64
- {
- var data struct {
- a float64
- }
- instr := &decInstr{decFloat64, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(floatResult)
- execDec("float64", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17 {
- t.Errorf("float64 a = %v not 17", data.a)
- }
- }
-
- // complex64
- {
- var data struct {
- a complex64
- }
- instr := &decInstr{decOpTable[reflect.Complex64], 6, 0, 0, ovfl}
- state := newDecodeStateFromData(complexResult)
- execDec("complex", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17+19i {
- t.Errorf("complex a = %v not 17+19i", data.a)
- }
- }
-
- // complex128
- {
- var data struct {
- a complex128
- }
- instr := &decInstr{decOpTable[reflect.Complex128], 6, 0, 0, ovfl}
- state := newDecodeStateFromData(complexResult)
- execDec("complex", instr, state, t, unsafe.Pointer(&data))
- if data.a != 17+19i {
- t.Errorf("complex a = %v not 17+19i", data.a)
- }
- }
-
- // bytes == []uint8
- {
- var data struct {
- a []byte
- }
- instr := &decInstr{decUint8Slice, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(bytesResult)
- execDec("bytes", instr, state, t, unsafe.Pointer(&data))
- if string(data.a) != "hello" {
- t.Errorf(`bytes a = %q not "hello"`, string(data.a))
- }
- }
-
- // string
- {
- var data struct {
- a string
- }
- instr := &decInstr{decString, 6, 0, 0, ovfl}
- state := newDecodeStateFromData(bytesResult)
- execDec("bytes", instr, state, t, unsafe.Pointer(&data))
- if data.a != "hello" {
- t.Errorf(`bytes a = %q not "hello"`, data.a)
- }
- }
-}
-
-func TestEndToEnd(t *testing.T) {
- type T2 struct {
- T string
- }
- s1 := "string1"
- s2 := "string2"
- type T1 struct {
- A, B, C int
- M map[string]*float64
- EmptyMap map[string]int // to check that we receive a non-nil map.
- N *[3]float64
- Strs *[2]string
- Int64s *[]int64
- RI complex64
- S string
- Y []byte
- T *T2
- }
- pi := 3.14159
- e := 2.71828
- t1 := &T1{
- A: 17,
- B: 18,
- C: -5,
- M: map[string]*float64{"pi": &pi, "e": &e},
- EmptyMap: make(map[string]int),
- N: &[3]float64{1.5, 2.5, 3.5},
- Strs: &[2]string{s1, s2},
- Int64s: &[]int64{77, 89, 123412342134},
- RI: 17 - 23i,
- S: "Now is the time",
- Y: []byte("hello, sailor"),
- T: &T2{"this is T2"},
- }
- b := new(bytes.Buffer)
- err := NewEncoder(b).Encode(t1)
- if err != nil {
- t.Error("encode:", err)
- }
- var _t1 T1
- err = NewDecoder(b).Decode(&_t1)
- if err != nil {
- t.Fatal("decode:", err)
- }
- if !reflect.DeepEqual(t1, &_t1) {
- t.Errorf("encode expected %v got %v", *t1, _t1)
- }
- // Be absolutely sure the received map is non-nil.
- if t1.EmptyMap == nil {
- t.Errorf("nil map sent")
- }
- if _t1.EmptyMap == nil {
- t.Errorf("nil map received")
- }
-}
-
-func TestOverflow(t *testing.T) {
- type inputT struct {
- Maxi int64
- Mini int64
- Maxu uint64
- Maxf float64
- Minf float64
- Maxc complex128
- Minc complex128
- }
- var it inputT
- var err error
- b := new(bytes.Buffer)
- enc := NewEncoder(b)
- dec := NewDecoder(b)
-
- // int8
- b.Reset()
- it = inputT{
- Maxi: math.MaxInt8 + 1,
- }
- type outi8 struct {
- Maxi int8
- Mini int8
- }
- var o1 outi8
- enc.Encode(it)
- err = dec.Decode(&o1)
- if err == nil || err.Error() != `value for "Maxi" out of range` {
- t.Error("wrong overflow error for int8:", err)
- }
- it = inputT{
- Mini: math.MinInt8 - 1,
- }
- b.Reset()
- enc.Encode(it)
- err = dec.Decode(&o1)
- if err == nil || err.Error() != `value for "Mini" out of range` {
- t.Error("wrong underflow error for int8:", err)
- }
-
- // int16
- b.Reset()
- it = inputT{
- Maxi: math.MaxInt16 + 1,
- }
- type outi16 struct {
- Maxi int16
- Mini int16
- }
- var o2 outi16
- enc.Encode(it)
- err = dec.Decode(&o2)
- if err == nil || err.Error() != `value for "Maxi" out of range` {
- t.Error("wrong overflow error for int16:", err)
- }
- it = inputT{
- Mini: math.MinInt16 - 1,
- }
- b.Reset()
- enc.Encode(it)
- err = dec.Decode(&o2)
- if err == nil || err.Error() != `value for "Mini" out of range` {
- t.Error("wrong underflow error for int16:", err)
- }
-
- // int32
- b.Reset()
- it = inputT{
- Maxi: math.MaxInt32 + 1,
- }
- type outi32 struct {
- Maxi int32
- Mini int32
- }
- var o3 outi32
- enc.Encode(it)
- err = dec.Decode(&o3)
- if err == nil || err.Error() != `value for "Maxi" out of range` {
- t.Error("wrong overflow error for int32:", err)
- }
- it = inputT{
- Mini: math.MinInt32 - 1,
- }
- b.Reset()
- enc.Encode(it)
- err = dec.Decode(&o3)
- if err == nil || err.Error() != `value for "Mini" out of range` {
- t.Error("wrong underflow error for int32:", err)
- }
-
- // uint8
- b.Reset()
- it = inputT{
- Maxu: math.MaxUint8 + 1,
- }
- type outu8 struct {
- Maxu uint8
- }
- var o4 outu8
- enc.Encode(it)
- err = dec.Decode(&o4)
- if err == nil || err.Error() != `value for "Maxu" out of range` {
- t.Error("wrong overflow error for uint8:", err)
- }
-
- // uint16
- b.Reset()
- it = inputT{
- Maxu: math.MaxUint16 + 1,
- }
- type outu16 struct {
- Maxu uint16
- }
- var o5 outu16
- enc.Encode(it)
- err = dec.Decode(&o5)
- if err == nil || err.Error() != `value for "Maxu" out of range` {
- t.Error("wrong overflow error for uint16:", err)
- }
-
- // uint32
- b.Reset()
- it = inputT{
- Maxu: math.MaxUint32 + 1,
- }
- type outu32 struct {
- Maxu uint32
- }
- var o6 outu32
- enc.Encode(it)
- err = dec.Decode(&o6)
- if err == nil || err.Error() != `value for "Maxu" out of range` {
- t.Error("wrong overflow error for uint32:", err)
- }
-
- // float32
- b.Reset()
- it = inputT{
- Maxf: math.MaxFloat32 * 2,
- }
- type outf32 struct {
- Maxf float32
- Minf float32
- }
- var o7 outf32
- enc.Encode(it)
- err = dec.Decode(&o7)
- if err == nil || err.Error() != `value for "Maxf" out of range` {
- t.Error("wrong overflow error for float32:", err)
- }
-
- // complex64
- b.Reset()
- it = inputT{
- Maxc: complex(math.MaxFloat32*2, math.MaxFloat32*2),
- }
- type outc64 struct {
- Maxc complex64
- Minc complex64
- }
- var o8 outc64
- enc.Encode(it)
- err = dec.Decode(&o8)
- if err == nil || err.Error() != `value for "Maxc" out of range` {
- t.Error("wrong overflow error for complex64:", err)
- }
-}
-
-func TestNesting(t *testing.T) {
- type RT struct {
- A string
- Next *RT
- }
- rt := new(RT)
- rt.A = "level1"
- rt.Next = new(RT)
- rt.Next.A = "level2"
- b := new(bytes.Buffer)
- NewEncoder(b).Encode(rt)
- var drt RT
- dec := NewDecoder(b)
- err := dec.Decode(&drt)
- if err != nil {
- t.Fatal("decoder error:", err)
- }
- if drt.A != rt.A {
- t.Errorf("nesting: encode expected %v got %v", *rt, drt)
- }
- if drt.Next == nil {
- t.Errorf("nesting: recursion failed")
- }
- if drt.Next.A != rt.Next.A {
- t.Errorf("nesting: encode expected %v got %v", *rt.Next, *drt.Next)
- }
-}
-
-// These three structures have the same data with different indirections
-type T0 struct {
- A int
- B int
- C int
- D int
-}
-type T1 struct {
- A int
- B *int
- C **int
- D ***int
-}
-type T2 struct {
- A ***int
- B **int
- C *int
- D int
-}
-
-func TestAutoIndirection(t *testing.T) {
- // First transfer t1 into t0
- var t1 T1
- t1.A = 17
- t1.B = new(int)
- *t1.B = 177
- t1.C = new(*int)
- *t1.C = new(int)
- **t1.C = 1777
- t1.D = new(**int)
- *t1.D = new(*int)
- **t1.D = new(int)
- ***t1.D = 17777
- b := new(bytes.Buffer)
- enc := NewEncoder(b)
- enc.Encode(t1)
- dec := NewDecoder(b)
- var t0 T0
- dec.Decode(&t0)
- if t0.A != 17 || t0.B != 177 || t0.C != 1777 || t0.D != 17777 {
- t.Errorf("t1->t0: expected {17 177 1777 17777}; got %v", t0)
- }
-
- // Now transfer t2 into t0
- var t2 T2
- t2.D = 17777
- t2.C = new(int)
- *t2.C = 1777
- t2.B = new(*int)
- *t2.B = new(int)
- **t2.B = 177
- t2.A = new(**int)
- *t2.A = new(*int)
- **t2.A = new(int)
- ***t2.A = 17
- b.Reset()
- enc.Encode(t2)
- t0 = T0{}
- dec.Decode(&t0)
- if t0.A != 17 || t0.B != 177 || t0.C != 1777 || t0.D != 17777 {
- t.Errorf("t2->t0 expected {17 177 1777 17777}; got %v", t0)
- }
-
- // Now transfer t0 into t1
- t0 = T0{17, 177, 1777, 17777}
- b.Reset()
- enc.Encode(t0)
- t1 = T1{}
- dec.Decode(&t1)
- if t1.A != 17 || *t1.B != 177 || **t1.C != 1777 || ***t1.D != 17777 {
- t.Errorf("t0->t1 expected {17 177 1777 17777}; got {%d %d %d %d}", t1.A, *t1.B, **t1.C, ***t1.D)
- }
-
- // Now transfer t0 into t2
- b.Reset()
- enc.Encode(t0)
- t2 = T2{}
- dec.Decode(&t2)
- if ***t2.A != 17 || **t2.B != 177 || *t2.C != 1777 || t2.D != 17777 {
- t.Errorf("t0->t2 expected {17 177 1777 17777}; got {%d %d %d %d}", ***t2.A, **t2.B, *t2.C, t2.D)
- }
-
- // Now do t2 again but without pre-allocated pointers.
- b.Reset()
- enc.Encode(t0)
- ***t2.A = 0
- **t2.B = 0
- *t2.C = 0
- t2.D = 0
- dec.Decode(&t2)
- if ***t2.A != 17 || **t2.B != 177 || *t2.C != 1777 || t2.D != 17777 {
- t.Errorf("t0->t2 expected {17 177 1777 17777}; got {%d %d %d %d}", ***t2.A, **t2.B, *t2.C, t2.D)
- }
-}
-
-type RT0 struct {
- A int
- B string
- C float64
-}
-type RT1 struct {
- C float64
- B string
- A int
- NotSet string
-}
-
-func TestReorderedFields(t *testing.T) {
- var rt0 RT0
- rt0.A = 17
- rt0.B = "hello"
- rt0.C = 3.14159
- b := new(bytes.Buffer)
- NewEncoder(b).Encode(rt0)
- dec := NewDecoder(b)
- var rt1 RT1
- // Wire type is RT0, local type is RT1.
- err := dec.Decode(&rt1)
- if err != nil {
- t.Fatal("decode error:", err)
- }
- if rt0.A != rt1.A || rt0.B != rt1.B || rt0.C != rt1.C {
- t.Errorf("rt1->rt0: expected %v; got %v", rt0, rt1)
- }
-}
-
-// Like an RT0 but with fields we'll ignore on the decode side.
-type IT0 struct {
- A int64
- B string
- Ignore_d []int
- Ignore_e [3]float64
- Ignore_f bool
- Ignore_g string
- Ignore_h []byte
- Ignore_i *RT1
- Ignore_m map[string]int
- C float64
-}
-
-func TestIgnoredFields(t *testing.T) {
- var it0 IT0
- it0.A = 17
- it0.B = "hello"
- it0.C = 3.14159
- it0.Ignore_d = []int{1, 2, 3}
- it0.Ignore_e[0] = 1.0
- it0.Ignore_e[1] = 2.0
- it0.Ignore_e[2] = 3.0
- it0.Ignore_f = true
- it0.Ignore_g = "pay no attention"
- it0.Ignore_h = []byte("to the curtain")
- it0.Ignore_i = &RT1{3.1, "hi", 7, "hello"}
- it0.Ignore_m = map[string]int{"one": 1, "two": 2}
-
- b := new(bytes.Buffer)
- NewEncoder(b).Encode(it0)
- dec := NewDecoder(b)
- var rt1 RT1
- // Wire type is IT0, local type is RT1.
- err := dec.Decode(&rt1)
- if err != nil {
- t.Error("error: ", err)
- }
- if int(it0.A) != rt1.A || it0.B != rt1.B || it0.C != rt1.C {
- t.Errorf("rt0->rt1: expected %v; got %v", it0, rt1)
- }
-}
-
-func TestBadRecursiveType(t *testing.T) {
- type Rec ***Rec
- var rec Rec
- b := new(bytes.Buffer)
- err := NewEncoder(b).Encode(&rec)
- if err == nil {
- t.Error("expected error; got none")
- } else if strings.Index(err.Error(), "recursive") < 0 {
- t.Error("expected recursive type error; got", err)
- }
- // Can't test decode easily because we can't encode one, so we can't pass one to a Decoder.
-}
-
-type Bad0 struct {
- CH chan int
- C float64
-}
-
-func TestInvalidField(t *testing.T) {
- var bad0 Bad0
- bad0.CH = make(chan int)
- b := new(bytes.Buffer)
- dummyEncoder := new(Encoder) // sufficient for this purpose.
- dummyEncoder.encode(b, reflect.ValueOf(&bad0), userType(reflect.TypeOf(&bad0)))
- if err := dummyEncoder.err; err == nil {
- t.Error("expected error; got none")
- } else if strings.Index(err.Error(), "type") < 0 {
- t.Error("expected type error; got", err)
- }
-}
-
-type Indirect struct {
- A ***[3]int
- S ***[]int
- M ****map[string]int
-}
-
-type Direct struct {
- A [3]int
- S []int
- M map[string]int
-}
-
-func TestIndirectSliceMapArray(t *testing.T) {
- // Marshal indirect, unmarshal to direct.
- i := new(Indirect)
- i.A = new(**[3]int)
- *i.A = new(*[3]int)
- **i.A = new([3]int)
- ***i.A = [3]int{1, 2, 3}
- i.S = new(**[]int)
- *i.S = new(*[]int)
- **i.S = new([]int)
- ***i.S = []int{4, 5, 6}
- i.M = new(***map[string]int)
- *i.M = new(**map[string]int)
- **i.M = new(*map[string]int)
- ***i.M = new(map[string]int)
- ****i.M = map[string]int{"one": 1, "two": 2, "three": 3}
- b := new(bytes.Buffer)
- NewEncoder(b).Encode(i)
- dec := NewDecoder(b)
- var d Direct
- err := dec.Decode(&d)
- if err != nil {
- t.Error("error: ", err)
- }
- if len(d.A) != 3 || d.A[0] != 1 || d.A[1] != 2 || d.A[2] != 3 {
- t.Errorf("indirect to direct: d.A is %v not %v", d.A, ***i.A)
- }
- if len(d.S) != 3 || d.S[0] != 4 || d.S[1] != 5 || d.S[2] != 6 {
- t.Errorf("indirect to direct: d.S is %v not %v", d.S, ***i.S)
- }
- if len(d.M) != 3 || d.M["one"] != 1 || d.M["two"] != 2 || d.M["three"] != 3 {
- t.Errorf("indirect to direct: d.M is %v not %v", d.M, ***i.M)
- }
- // Marshal direct, unmarshal to indirect.
- d.A = [3]int{11, 22, 33}
- d.S = []int{44, 55, 66}
- d.M = map[string]int{"four": 4, "five": 5, "six": 6}
- i = new(Indirect)
- b.Reset()
- NewEncoder(b).Encode(d)
- dec = NewDecoder(b)
- err = dec.Decode(&i)
- if err != nil {
- t.Fatal("error: ", err)
- }
- if len(***i.A) != 3 || (***i.A)[0] != 11 || (***i.A)[1] != 22 || (***i.A)[2] != 33 {
- t.Errorf("direct to indirect: ***i.A is %v not %v", ***i.A, d.A)
- }
- if len(***i.S) != 3 || (***i.S)[0] != 44 || (***i.S)[1] != 55 || (***i.S)[2] != 66 {
- t.Errorf("direct to indirect: ***i.S is %v not %v", ***i.S, ***i.S)
- }
- if len(****i.M) != 3 || (****i.M)["four"] != 4 || (****i.M)["five"] != 5 || (****i.M)["six"] != 6 {
- t.Errorf("direct to indirect: ****i.M is %v not %v", ****i.M, d.M)
- }
-}
-
-// An interface with several implementations
-type Squarer interface {
- Square() int
-}
-
-type Int int
-
-func (i Int) Square() int {
- return int(i * i)
-}
-
-type Float float64
-
-func (f Float) Square() int {
- return int(f * f)
-}
-
-type Vector []int
-
-func (v Vector) Square() int {
- sum := 0
- for _, x := range v {
- sum += x * x
- }
- return sum
-}
-
-type Point struct {
- X, Y int
-}
-
-func (p Point) Square() int {
- return p.X*p.X + p.Y*p.Y
-}
-
-// A struct with interfaces in it.
-type InterfaceItem struct {
- I int
- Sq1, Sq2, Sq3 Squarer
- F float64
- Sq []Squarer
-}
-
-// The same struct without interfaces
-type NoInterfaceItem struct {
- I int
- F float64
-}
-
-func TestInterface(t *testing.T) {
- iVal := Int(3)
- fVal := Float(5)
- // Sending a Vector will require that the receiver define a type in the middle of
- // receiving the value for item2.
- vVal := Vector{1, 2, 3}
- b := new(bytes.Buffer)
- item1 := &InterfaceItem{1, iVal, fVal, vVal, 11.5, []Squarer{iVal, fVal, nil, vVal}}
- // Register the types.
- Register(Int(0))
- Register(Float(0))
- Register(Vector{})
- err := NewEncoder(b).Encode(item1)
- if err != nil {
- t.Error("expected no encode error; got", err)
- }
-
- item2 := InterfaceItem{}
- err = NewDecoder(b).Decode(&item2)
- if err != nil {
- t.Fatal("decode:", err)
- }
- if item2.I != item1.I {
- t.Error("normal int did not decode correctly")
- }
- if item2.Sq1 == nil || item2.Sq1.Square() != iVal.Square() {
- t.Error("Int did not decode correctly")
- }
- if item2.Sq2 == nil || item2.Sq2.Square() != fVal.Square() {
- t.Error("Float did not decode correctly")
- }
- if item2.Sq3 == nil || item2.Sq3.Square() != vVal.Square() {
- t.Error("Vector did not decode correctly")
- }
- if item2.F != item1.F {
- t.Error("normal float did not decode correctly")
- }
- // Now check that we received a slice of Squarers correctly, including a nil element
- if len(item1.Sq) != len(item2.Sq) {
- t.Fatalf("[]Squarer length wrong: got %d; expected %d", len(item2.Sq), len(item1.Sq))
- }
- for i, v1 := range item1.Sq {
- v2 := item2.Sq[i]
- if v1 == nil || v2 == nil {
- if v1 != nil || v2 != nil {
- t.Errorf("item %d inconsistent nils", i)
- }
- continue
- if v1.Square() != v2.Square() {
- t.Errorf("item %d inconsistent values: %v %v", i, v1, v2)
- }
- }
- }
-}
-
-// A struct with all basic types, stored in interfaces.
-type BasicInterfaceItem struct {
- Int, Int8, Int16, Int32, Int64 interface{}
- Uint, Uint8, Uint16, Uint32, Uint64 interface{}
- Float32, Float64 interface{}
- Complex64, Complex128 interface{}
- Bool interface{}
- String interface{}
- Bytes interface{}
-}
-
-func TestInterfaceBasic(t *testing.T) {
- b := new(bytes.Buffer)
- item1 := &BasicInterfaceItem{
- int(1), int8(1), int16(1), int32(1), int64(1),
- uint(1), uint8(1), uint16(1), uint32(1), uint64(1),
- float32(1), 1.0,
- complex64(1i), complex128(1i),
- true,
- "hello",
- []byte("sailor"),
- }
- err := NewEncoder(b).Encode(item1)
- if err != nil {
- t.Error("expected no encode error; got", err)
- }
-
- item2 := &BasicInterfaceItem{}
- err = NewDecoder(b).Decode(&item2)
- if err != nil {
- t.Fatal("decode:", err)
- }
- if !reflect.DeepEqual(item1, item2) {
- t.Errorf("encode expected %v got %v", item1, item2)
- }
- // Hand check a couple for correct types.
- if v, ok := item2.Bool.(bool); !ok || !v {
- t.Error("boolean should be true")
- }
- if v, ok := item2.String.(string); !ok || v != item1.String.(string) {
- t.Errorf("string should be %v is %v", item1.String, v)
- }
-}
-
-type String string
-
-type PtrInterfaceItem struct {
- Str1 interface{} // basic
- Str2 interface{} // derived
-}
-
-// We'll send pointers; should receive values.
-// Also check that we can register T but send *T.
-func TestInterfacePointer(t *testing.T) {
- b := new(bytes.Buffer)
- str1 := "howdy"
- str2 := String("kiddo")
- item1 := &PtrInterfaceItem{
- &str1,
- &str2,
- }
- // Register the type.
- Register(str2)
- err := NewEncoder(b).Encode(item1)
- if err != nil {
- t.Error("expected no encode error; got", err)
- }
-
- item2 := &PtrInterfaceItem{}
- err = NewDecoder(b).Decode(&item2)
- if err != nil {
- t.Fatal("decode:", err)
- }
- // Hand test for correct types and values.
- if v, ok := item2.Str1.(string); !ok || v != str1 {
- t.Errorf("basic string failed: %q should be %q", v, str1)
- }
- if v, ok := item2.Str2.(String); !ok || v != str2 {
- t.Errorf("derived type String failed: %q should be %q", v, str2)
- }
-}
-
-func TestIgnoreInterface(t *testing.T) {
- iVal := Int(3)
- fVal := Float(5)
- // Sending a Point will require that the receiver define a type in the middle of
- // receiving the value for item2.
- pVal := Point{2, 3}
- b := new(bytes.Buffer)
- item1 := &InterfaceItem{1, iVal, fVal, pVal, 11.5, nil}
- // Register the types.
- Register(Int(0))
- Register(Float(0))
- Register(Point{})
- err := NewEncoder(b).Encode(item1)
- if err != nil {
- t.Error("expected no encode error; got", err)
- }
-
- item2 := NoInterfaceItem{}
- err = NewDecoder(b).Decode(&item2)
- if err != nil {
- t.Fatal("decode:", err)
- }
- if item2.I != item1.I {
- t.Error("normal int did not decode correctly")
- }
- if item2.F != item2.F {
- t.Error("normal float did not decode correctly")
- }
-}
-
-type U struct {
- A int
- B string
- c float64
- D uint
-}
-
-func TestUnexportedFields(t *testing.T) {
- var u0 U
- u0.A = 17
- u0.B = "hello"
- u0.c = 3.14159
- u0.D = 23
- b := new(bytes.Buffer)
- NewEncoder(b).Encode(u0)
- dec := NewDecoder(b)
- var u1 U
- u1.c = 1234.
- err := dec.Decode(&u1)
- if err != nil {
- t.Fatal("decode error:", err)
- }
- if u0.A != u0.A || u0.B != u1.B || u0.D != u1.D {
- t.Errorf("u1->u0: expected %v; got %v", u0, u1)
- }
- if u1.c != 1234. {
- t.Error("u1.c modified")
- }
-}
-
-var singletons = []interface{}{
- true,
- 7,
- 3.2,
- "hello",
- [3]int{11, 22, 33},
- []float32{0.5, 0.25, 0.125},
- map[string]int{"one": 1, "two": 2},
-}
-
-func TestDebugSingleton(t *testing.T) {
- if debugFunc == nil {
- return
- }
- b := new(bytes.Buffer)
- // Accumulate a number of values and print them out all at once.
- for _, x := range singletons {
- err := NewEncoder(b).Encode(x)
- if err != nil {
- t.Fatal("encode:", err)
- }
- }
- debugFunc(b)
-}
-
-// A type that won't be defined in the gob until we send it in an interface value.
-type OnTheFly struct {
- A int
-}
-
-type DT struct {
- // X OnTheFly
- A int
- B string
- C float64
- I interface{}
- J interface{}
- I_nil interface{}
- M map[string]int
- T [3]int
- S []string
-}
-
-func TestDebugStruct(t *testing.T) {
- if debugFunc == nil {
- return
- }
- Register(OnTheFly{})
- var dt DT
- dt.A = 17
- dt.B = "hello"
- dt.C = 3.14159
- dt.I = 271828
- dt.J = OnTheFly{3}
- dt.I_nil = nil
- dt.M = map[string]int{"one": 1, "two": 2}
- dt.T = [3]int{11, 22, 33}
- dt.S = []string{"hi", "joe"}
- b := new(bytes.Buffer)
- err := NewEncoder(b).Encode(dt)
- if err != nil {
- t.Fatal("encode:", err)
- }
- debugBuffer := bytes.NewBuffer(b.Bytes())
- dt2 := &DT{}
- err = NewDecoder(b).Decode(&dt2)
- if err != nil {
- t.Error("decode:", err)
- }
- debugFunc(debugBuffer)
-}
-
-func encFuzzDec(rng *rand.Rand, in interface{}) error {
- buf := new(bytes.Buffer)
- enc := NewEncoder(buf)
- if err := enc.Encode(&in); err != nil {
- return err
- }
-
- b := buf.Bytes()
- for i, bi := range b {
- if rng.Intn(10) < 3 {
- b[i] = bi + uint8(rng.Intn(256))
- }
- }
-
- dec := NewDecoder(buf)
- var e interface{}
- if err := dec.Decode(&e); err != nil {
- return err
- }
- return nil
-}
-
-// This does some "fuzz testing" by attempting to decode a sequence of random bytes.
-func TestFuzz(t *testing.T) {
- if !*doFuzzTests {
- t.Logf("disabled; run with -gob.fuzz to enable")
- return
- }
-
- // all possible inputs
- input := []interface{}{
- new(int),
- new(float32),
- new(float64),
- new(complex128),
- &ByteStruct{255},
- &ArrayStruct{},
- &StringStruct{"hello"},
- &GobTest1{0, &StringStruct{"hello"}},
- }
- testFuzz(t, time.Now().UnixNano(), 100, input...)
-}
-
-func TestFuzzRegressions(t *testing.T) {
- if !*doFuzzTests {
- t.Logf("disabled; run with -gob.fuzz to enable")
- return
- }
-
- // An instance triggering a type name of length ~102 GB.
- testFuzz(t, 1328492090837718000, 100, new(float32))
- // An instance triggering a type name of 1.6 GB.
- // Note: can take several minutes to run.
- testFuzz(t, 1330522872628565000, 100, new(int))
-}
-
-func testFuzz(t *testing.T, seed int64, n int, input ...interface{}) {
- for _, e := range input {
- t.Logf("seed=%d n=%d e=%T", seed, n, e)
- rng := rand.New(rand.NewSource(seed))
- for i := 0; i < n; i++ {
- encFuzzDec(rng, e)
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 03:11:01 +0000