+++ /dev/null
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2014 The Go Authors. All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto_test
-
-import (
- "bytes"
- "fmt"
- "io"
- "reflect"
- "sort"
- "strings"
- "testing"
-
- "github.com/gogo/protobuf/proto"
- pb "github.com/gogo/protobuf/proto/test_proto"
-)
-
-func TestGetExtensionsWithMissingExtensions(t *testing.T) {
- msg := &pb.MyMessage{}
- ext1 := &pb.Ext{}
- if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
- t.Fatalf("Could not set ext1: %s", err)
- }
- exts, err := proto.GetExtensions(msg, []*proto.ExtensionDesc{
- pb.E_Ext_More,
- pb.E_Ext_Text,
- })
- if err != nil {
- t.Fatalf("GetExtensions() failed: %s", err)
- }
- if exts[0] != ext1 {
- t.Errorf("ext1 not in returned extensions: %T %v", exts[0], exts[0])
- }
- if exts[1] != nil {
- t.Errorf("ext2 in returned extensions: %T %v", exts[1], exts[1])
- }
-}
-
-func TestGetExtensionWithEmptyBuffer(t *testing.T) {
- // Make sure that GetExtension returns an error if its
- // undecoded buffer is empty.
- msg := &pb.MyMessage{}
- proto.SetRawExtension(msg, pb.E_Ext_More.Field, []byte{})
- _, err := proto.GetExtension(msg, pb.E_Ext_More)
- if want := io.ErrUnexpectedEOF; err != want {
- t.Errorf("unexpected error in GetExtension from empty buffer: got %v, want %v", err, want)
- }
-}
-
-func TestGetExtensionForIncompleteDesc(t *testing.T) {
- msg := &pb.MyMessage{Count: proto.Int32(0)}
- extdesc1 := &proto.ExtensionDesc{
- ExtendedType: (*pb.MyMessage)(nil),
- ExtensionType: (*bool)(nil),
- Field: 123456789,
- Name: "a.b",
- Tag: "varint,123456789,opt",
- }
- ext1 := proto.Bool(true)
- if err := proto.SetExtension(msg, extdesc1, ext1); err != nil {
- t.Fatalf("Could not set ext1: %s", err)
- }
- extdesc2 := &proto.ExtensionDesc{
- ExtendedType: (*pb.MyMessage)(nil),
- ExtensionType: ([]byte)(nil),
- Field: 123456790,
- Name: "a.c",
- Tag: "bytes,123456790,opt",
- }
- ext2 := []byte{0, 1, 2, 3, 4, 5, 6, 7}
- if err := proto.SetExtension(msg, extdesc2, ext2); err != nil {
- t.Fatalf("Could not set ext2: %s", err)
- }
- extdesc3 := &proto.ExtensionDesc{
- ExtendedType: (*pb.MyMessage)(nil),
- ExtensionType: (*pb.Ext)(nil),
- Field: 123456791,
- Name: "a.d",
- Tag: "bytes,123456791,opt",
- }
- ext3 := &pb.Ext{Data: proto.String("foo")}
- if err := proto.SetExtension(msg, extdesc3, ext3); err != nil {
- t.Fatalf("Could not set ext3: %s", err)
- }
-
- b, err := proto.Marshal(msg)
- if err != nil {
- t.Fatalf("Could not marshal msg: %v", err)
- }
- if err := proto.Unmarshal(b, msg); err != nil {
- t.Fatalf("Could not unmarshal into msg: %v", err)
- }
-
- var expected proto.Buffer
- if err := expected.EncodeVarint(uint64((extdesc1.Field << 3) | proto.WireVarint)); err != nil {
- t.Fatalf("failed to compute expected prefix for ext1: %s", err)
- }
- if err := expected.EncodeVarint(1 /* bool true */); err != nil {
- t.Fatalf("failed to compute expected value for ext1: %s", err)
- }
-
- if b, err := proto.GetExtension(msg, &proto.ExtensionDesc{Field: extdesc1.Field}); err != nil {
- t.Fatalf("Failed to get raw value for ext1: %s", err)
- } else if !reflect.DeepEqual(b, expected.Bytes()) {
- t.Fatalf("Raw value for ext1: got %v, want %v", b, expected.Bytes())
- }
-
- expected = proto.Buffer{} // reset
- if err := expected.EncodeVarint(uint64((extdesc2.Field << 3) | proto.WireBytes)); err != nil {
- t.Fatalf("failed to compute expected prefix for ext2: %s", err)
- }
- if err := expected.EncodeRawBytes(ext2); err != nil {
- t.Fatalf("failed to compute expected value for ext2: %s", err)
- }
-
- if b, err := proto.GetExtension(msg, &proto.ExtensionDesc{Field: extdesc2.Field}); err != nil {
- t.Fatalf("Failed to get raw value for ext2: %s", err)
- } else if !reflect.DeepEqual(b, expected.Bytes()) {
- t.Fatalf("Raw value for ext2: got %v, want %v", b, expected.Bytes())
- }
-
- expected = proto.Buffer{} // reset
- if err := expected.EncodeVarint(uint64((extdesc3.Field << 3) | proto.WireBytes)); err != nil {
- t.Fatalf("failed to compute expected prefix for ext3: %s", err)
- }
- if b, err := proto.Marshal(ext3); err != nil {
- t.Fatalf("failed to compute expected value for ext3: %s", err)
- } else if err := expected.EncodeRawBytes(b); err != nil {
- t.Fatalf("failed to compute expected value for ext3: %s", err)
- }
-
- if b, err := proto.GetExtension(msg, &proto.ExtensionDesc{Field: extdesc3.Field}); err != nil {
- t.Fatalf("Failed to get raw value for ext3: %s", err)
- } else if !reflect.DeepEqual(b, expected.Bytes()) {
- t.Fatalf("Raw value for ext3: got %v, want %v", b, expected.Bytes())
- }
-}
-
-func TestExtensionDescsWithUnregisteredExtensions(t *testing.T) {
- msg := &pb.MyMessage{Count: proto.Int32(0)}
- extdesc1 := pb.E_Ext_More
- if descs, err := proto.ExtensionDescs(msg); len(descs) != 0 || err != nil {
- t.Errorf("proto.ExtensionDescs: got %d descs, error %v; want 0, nil", len(descs), err)
- }
-
- ext1 := &pb.Ext{}
- if err := proto.SetExtension(msg, extdesc1, ext1); err != nil {
- t.Fatalf("Could not set ext1: %s", err)
- }
- extdesc2 := &proto.ExtensionDesc{
- ExtendedType: (*pb.MyMessage)(nil),
- ExtensionType: (*bool)(nil),
- Field: 123456789,
- Name: "a.b",
- Tag: "varint,123456789,opt",
- }
- ext2 := proto.Bool(false)
- if err := proto.SetExtension(msg, extdesc2, ext2); err != nil {
- t.Fatalf("Could not set ext2: %s", err)
- }
-
- b, err := proto.Marshal(msg)
- if err != nil {
- t.Fatalf("Could not marshal msg: %v", err)
- }
- if err = proto.Unmarshal(b, msg); err != nil {
- t.Fatalf("Could not unmarshal into msg: %v", err)
- }
-
- descs, err := proto.ExtensionDescs(msg)
- if err != nil {
- t.Fatalf("proto.ExtensionDescs: got error %v", err)
- }
- sortExtDescs(descs)
- wantDescs := []*proto.ExtensionDesc{extdesc1, {Field: extdesc2.Field}}
- if !reflect.DeepEqual(descs, wantDescs) {
- t.Errorf("proto.ExtensionDescs(msg) sorted extension ids: got %+v, want %+v", descs, wantDescs)
- }
-}
-
-type ExtensionDescSlice []*proto.ExtensionDesc
-
-func (s ExtensionDescSlice) Len() int { return len(s) }
-func (s ExtensionDescSlice) Less(i, j int) bool { return s[i].Field < s[j].Field }
-func (s ExtensionDescSlice) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
-
-func sortExtDescs(s []*proto.ExtensionDesc) {
- sort.Sort(ExtensionDescSlice(s))
-}
-
-func TestGetExtensionStability(t *testing.T) {
- check := func(m *pb.MyMessage) bool {
- ext1, err := proto.GetExtension(m, pb.E_Ext_More)
- if err != nil {
- t.Fatalf("GetExtension() failed: %s", err)
- }
- ext2, err := proto.GetExtension(m, pb.E_Ext_More)
- if err != nil {
- t.Fatalf("GetExtension() failed: %s", err)
- }
- return ext1 == ext2
- }
- msg := &pb.MyMessage{Count: proto.Int32(4)}
- ext0 := &pb.Ext{}
- if err := proto.SetExtension(msg, pb.E_Ext_More, ext0); err != nil {
- t.Fatalf("Could not set ext1: %s", ext0)
- }
- if !check(msg) {
- t.Errorf("GetExtension() not stable before marshaling")
- }
- bb, err := proto.Marshal(msg)
- if err != nil {
- t.Fatalf("Marshal() failed: %s", err)
- }
- msg1 := &pb.MyMessage{}
- err = proto.Unmarshal(bb, msg1)
- if err != nil {
- t.Fatalf("Unmarshal() failed: %s", err)
- }
- if !check(msg1) {
- t.Errorf("GetExtension() not stable after unmarshaling")
- }
-}
-
-func TestGetExtensionDefaults(t *testing.T) {
- var setFloat64 float64 = 1
- var setFloat32 float32 = 2
- var setInt32 int32 = 3
- var setInt64 int64 = 4
- var setUint32 uint32 = 5
- var setUint64 uint64 = 6
- var setBool = true
- var setBool2 = false
- var setString = "Goodnight string"
- var setBytes = []byte("Goodnight bytes")
- var setEnum = pb.DefaultsMessage_TWO
-
- type testcase struct {
- ext *proto.ExtensionDesc // Extension we are testing.
- want interface{} // Expected value of extension, or nil (meaning that GetExtension will fail).
- def interface{} // Expected value of extension after ClearExtension().
- }
- tests := []testcase{
- {pb.E_NoDefaultDouble, setFloat64, nil},
- {pb.E_NoDefaultFloat, setFloat32, nil},
- {pb.E_NoDefaultInt32, setInt32, nil},
- {pb.E_NoDefaultInt64, setInt64, nil},
- {pb.E_NoDefaultUint32, setUint32, nil},
- {pb.E_NoDefaultUint64, setUint64, nil},
- {pb.E_NoDefaultSint32, setInt32, nil},
- {pb.E_NoDefaultSint64, setInt64, nil},
- {pb.E_NoDefaultFixed32, setUint32, nil},
- {pb.E_NoDefaultFixed64, setUint64, nil},
- {pb.E_NoDefaultSfixed32, setInt32, nil},
- {pb.E_NoDefaultSfixed64, setInt64, nil},
- {pb.E_NoDefaultBool, setBool, nil},
- {pb.E_NoDefaultBool, setBool2, nil},
- {pb.E_NoDefaultString, setString, nil},
- {pb.E_NoDefaultBytes, setBytes, nil},
- {pb.E_NoDefaultEnum, setEnum, nil},
- {pb.E_DefaultDouble, setFloat64, float64(3.1415)},
- {pb.E_DefaultFloat, setFloat32, float32(3.14)},
- {pb.E_DefaultInt32, setInt32, int32(42)},
- {pb.E_DefaultInt64, setInt64, int64(43)},
- {pb.E_DefaultUint32, setUint32, uint32(44)},
- {pb.E_DefaultUint64, setUint64, uint64(45)},
- {pb.E_DefaultSint32, setInt32, int32(46)},
- {pb.E_DefaultSint64, setInt64, int64(47)},
- {pb.E_DefaultFixed32, setUint32, uint32(48)},
- {pb.E_DefaultFixed64, setUint64, uint64(49)},
- {pb.E_DefaultSfixed32, setInt32, int32(50)},
- {pb.E_DefaultSfixed64, setInt64, int64(51)},
- {pb.E_DefaultBool, setBool, true},
- {pb.E_DefaultBool, setBool2, true},
- {pb.E_DefaultString, setString, "Hello, string,def=foo"},
- {pb.E_DefaultBytes, setBytes, []byte("Hello, bytes")},
- {pb.E_DefaultEnum, setEnum, pb.DefaultsMessage_ONE},
- }
-
- checkVal := func(test testcase, msg *pb.DefaultsMessage, valWant interface{}) error {
- val, err := proto.GetExtension(msg, test.ext)
- if err != nil {
- if valWant != nil {
- return fmt.Errorf("GetExtension(): %s", err)
- }
- if want := proto.ErrMissingExtension; err != want {
- return fmt.Errorf("Unexpected error: got %v, want %v", err, want)
- }
- return nil
- }
-
- // All proto2 extension values are either a pointer to a value or a slice of values.
- ty := reflect.TypeOf(val)
- tyWant := reflect.TypeOf(test.ext.ExtensionType)
- if got, want := ty, tyWant; got != want {
- return fmt.Errorf("unexpected reflect.TypeOf(): got %v want %v", got, want)
- }
- tye := ty.Elem()
- tyeWant := tyWant.Elem()
- if got, want := tye, tyeWant; got != want {
- return fmt.Errorf("unexpected reflect.TypeOf().Elem(): got %v want %v", got, want)
- }
-
- // Check the name of the type of the value.
- // If it is an enum it will be type int32 with the name of the enum.
- if got, want := tye.Name(), tye.Name(); got != want {
- return fmt.Errorf("unexpected reflect.TypeOf().Elem().Name(): got %v want %v", got, want)
- }
-
- // Check that value is what we expect.
- // If we have a pointer in val, get the value it points to.
- valExp := val
- if ty.Kind() == reflect.Ptr {
- valExp = reflect.ValueOf(val).Elem().Interface()
- }
- if got, want := valExp, valWant; !reflect.DeepEqual(got, want) {
- return fmt.Errorf("unexpected reflect.DeepEqual(): got %v want %v", got, want)
- }
-
- return nil
- }
-
- setTo := func(test testcase) interface{} {
- setTo := reflect.ValueOf(test.want)
- if typ := reflect.TypeOf(test.ext.ExtensionType); typ.Kind() == reflect.Ptr {
- setTo = reflect.New(typ).Elem()
- setTo.Set(reflect.New(setTo.Type().Elem()))
- setTo.Elem().Set(reflect.ValueOf(test.want))
- }
- return setTo.Interface()
- }
-
- for _, test := range tests {
- msg := &pb.DefaultsMessage{}
- name := test.ext.Name
-
- // Check the initial value.
- if err := checkVal(test, msg, test.def); err != nil {
- t.Errorf("%s: %v", name, err)
- }
-
- // Set the per-type value and check value.
- name = fmt.Sprintf("%s (set to %T %v)", name, test.want, test.want)
- if err := proto.SetExtension(msg, test.ext, setTo(test)); err != nil {
- t.Errorf("%s: SetExtension(): %v", name, err)
- continue
- }
- if err := checkVal(test, msg, test.want); err != nil {
- t.Errorf("%s: %v", name, err)
- continue
- }
-
- // Set and check the value.
- name += " (cleared)"
- proto.ClearExtension(msg, test.ext)
- if err := checkVal(test, msg, test.def); err != nil {
- t.Errorf("%s: %v", name, err)
- }
- }
-}
-
-func TestNilMessage(t *testing.T) {
- name := "nil interface"
- if got, err := proto.GetExtension(nil, pb.E_Ext_More); err == nil {
- t.Errorf("%s: got %T %v, expected to fail", name, got, got)
- } else if !strings.Contains(err.Error(), "extendable") {
- t.Errorf("%s: got error %v, expected not-extendable error", name, err)
- }
-
- // Regression tests: all functions of the Extension API
- // used to panic when passed (*M)(nil), where M is a concrete message
- // type. Now they handle this gracefully as a no-op or reported error.
- var nilMsg *pb.MyMessage
- desc := pb.E_Ext_More
-
- isNotExtendable := func(err error) bool {
- return strings.Contains(fmt.Sprint(err), "not extendable")
- }
-
- if proto.HasExtension(nilMsg, desc) {
- t.Error("HasExtension(nil) = true")
- }
-
- if _, err := proto.GetExtensions(nilMsg, []*proto.ExtensionDesc{desc}); !isNotExtendable(err) {
- t.Errorf("GetExtensions(nil) = %q (wrong error)", err)
- }
-
- if _, err := proto.ExtensionDescs(nilMsg); !isNotExtendable(err) {
- t.Errorf("ExtensionDescs(nil) = %q (wrong error)", err)
- }
-
- if err := proto.SetExtension(nilMsg, desc, nil); !isNotExtendable(err) {
- t.Errorf("SetExtension(nil) = %q (wrong error)", err)
- }
-
- proto.ClearExtension(nilMsg, desc) // no-op
- proto.ClearAllExtensions(nilMsg) // no-op
-}
-
-func TestExtensionsRoundTrip(t *testing.T) {
- msg := &pb.MyMessage{}
- ext1 := &pb.Ext{
- Data: proto.String("hi"),
- }
- ext2 := &pb.Ext{
- Data: proto.String("there"),
- }
- exists := proto.HasExtension(msg, pb.E_Ext_More)
- if exists {
- t.Error("Extension More present unexpectedly")
- }
- if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
- t.Error(err)
- }
- if err := proto.SetExtension(msg, pb.E_Ext_More, ext2); err != nil {
- t.Error(err)
- }
- e, err := proto.GetExtension(msg, pb.E_Ext_More)
- if err != nil {
- t.Error(err)
- }
- x, ok := e.(*pb.Ext)
- if !ok {
- t.Errorf("e has type %T, expected test_proto.Ext", e)
- } else if *x.Data != "there" {
- t.Errorf("SetExtension failed to overwrite, got %+v, not 'there'", x)
- }
- proto.ClearExtension(msg, pb.E_Ext_More)
- if _, err = proto.GetExtension(msg, pb.E_Ext_More); err != proto.ErrMissingExtension {
- t.Errorf("got %v, expected ErrMissingExtension", e)
- }
- if _, err := proto.GetExtension(msg, pb.E_X215); err == nil {
- t.Error("expected bad extension error, got nil")
- }
- if err := proto.SetExtension(msg, pb.E_X215, 12); err == nil {
- t.Error("expected extension err")
- }
- if err := proto.SetExtension(msg, pb.E_Ext_More, 12); err == nil {
- t.Error("expected some sort of type mismatch error, got nil")
- }
-}
-
-func TestNilExtension(t *testing.T) {
- msg := &pb.MyMessage{
- Count: proto.Int32(1),
- }
- if err := proto.SetExtension(msg, pb.E_Ext_Text, proto.String("hello")); err != nil {
- t.Fatal(err)
- }
- if err := proto.SetExtension(msg, pb.E_Ext_More, (*pb.Ext)(nil)); err == nil {
- t.Error("expected SetExtension to fail due to a nil extension")
- } else if want := fmt.Sprintf("proto: SetExtension called with nil value of type %T", new(pb.Ext)); err.Error() != want {
- t.Errorf("expected error %v, got %v", want, err)
- }
- // Note: if the behavior of Marshal is ever changed to ignore nil extensions, update
- // this test to verify that E_Ext_Text is properly propagated through marshal->unmarshal.
-}
-
-func TestMarshalUnmarshalRepeatedExtension(t *testing.T) {
- // Add a repeated extension to the result.
- tests := []struct {
- name string
- ext []*pb.ComplexExtension
- }{
- {
- "two fields",
- []*pb.ComplexExtension{
- {First: proto.Int32(7)},
- {Second: proto.Int32(11)},
- },
- },
- {
- "repeated field",
- []*pb.ComplexExtension{
- {Third: []int32{1000}},
- {Third: []int32{2000}},
- },
- },
- {
- "two fields and repeated field",
- []*pb.ComplexExtension{
- {Third: []int32{1000}},
- {First: proto.Int32(9)},
- {Second: proto.Int32(21)},
- {Third: []int32{2000}},
- },
- },
- }
- for _, test := range tests {
- // Marshal message with a repeated extension.
- msg1 := new(pb.OtherMessage)
- err := proto.SetExtension(msg1, pb.E_RComplex, test.ext)
- if err != nil {
- t.Fatalf("[%s] Error setting extension: %v", test.name, err)
- }
- b, err := proto.Marshal(msg1)
- if err != nil {
- t.Fatalf("[%s] Error marshaling message: %v", test.name, err)
- }
-
- // Unmarshal and read the merged proto.
- msg2 := new(pb.OtherMessage)
- err = proto.Unmarshal(b, msg2)
- if err != nil {
- t.Fatalf("[%s] Error unmarshaling message: %v", test.name, err)
- }
- e, err := proto.GetExtension(msg2, pb.E_RComplex)
- if err != nil {
- t.Fatalf("[%s] Error getting extension: %v", test.name, err)
- }
- ext := e.([]*pb.ComplexExtension)
- if ext == nil {
- t.Fatalf("[%s] Invalid extension", test.name)
- }
- if len(ext) != len(test.ext) {
- t.Errorf("[%s] Wrong length of ComplexExtension: got: %v want: %v\n", test.name, len(ext), len(test.ext))
- }
- for i := range test.ext {
- if !proto.Equal(ext[i], test.ext[i]) {
- t.Errorf("[%s] Wrong value for ComplexExtension[%d]: got: %v want: %v\n", test.name, i, ext[i], test.ext[i])
- }
- }
- }
-}
-
-func TestUnmarshalRepeatingNonRepeatedExtension(t *testing.T) {
- // We may see multiple instances of the same extension in the wire
- // format. For example, the proto compiler may encode custom options in
- // this way. Here, we verify that we merge the extensions together.
- tests := []struct {
- name string
- ext []*pb.ComplexExtension
- }{
- {
- "two fields",
- []*pb.ComplexExtension{
- {First: proto.Int32(7)},
- {Second: proto.Int32(11)},
- },
- },
- {
- "repeated field",
- []*pb.ComplexExtension{
- {Third: []int32{1000}},
- {Third: []int32{2000}},
- },
- },
- {
- "two fields and repeated field",
- []*pb.ComplexExtension{
- {Third: []int32{1000}},
- {First: proto.Int32(9)},
- {Second: proto.Int32(21)},
- {Third: []int32{2000}},
- },
- },
- }
- for _, test := range tests {
- var buf bytes.Buffer
- var want pb.ComplexExtension
-
- // Generate a serialized representation of a repeated extension
- // by catenating bytes together.
- for i, e := range test.ext {
- // Merge to create the wanted proto.
- proto.Merge(&want, e)
-
- // serialize the message
- msg := new(pb.OtherMessage)
- err := proto.SetExtension(msg, pb.E_Complex, e)
- if err != nil {
- t.Fatalf("[%s] Error setting extension %d: %v", test.name, i, err)
- }
- b, err := proto.Marshal(msg)
- if err != nil {
- t.Fatalf("[%s] Error marshaling message %d: %v", test.name, i, err)
- }
- buf.Write(b)
- }
-
- // Unmarshal and read the merged proto.
- msg2 := new(pb.OtherMessage)
- err := proto.Unmarshal(buf.Bytes(), msg2)
- if err != nil {
- t.Fatalf("[%s] Error unmarshaling message: %v", test.name, err)
- }
- e, err := proto.GetExtension(msg2, pb.E_Complex)
- if err != nil {
- t.Fatalf("[%s] Error getting extension: %v", test.name, err)
- }
- ext := e.(*pb.ComplexExtension)
- if ext == nil {
- t.Fatalf("[%s] Invalid extension", test.name)
- }
- if !proto.Equal(ext, &want) {
- t.Errorf("[%s] Wrong value for ComplexExtension: got: %v want: %v\n", test.name, ext, &want)
-
- }
- }
-}
-
-func TestClearAllExtensions(t *testing.T) {
- // unregistered extension
- desc := &proto.ExtensionDesc{
- ExtendedType: (*pb.MyMessage)(nil),
- ExtensionType: (*bool)(nil),
- Field: 101010100,
- Name: "emptyextension",
- Tag: "varint,0,opt",
- }
- m := &pb.MyMessage{}
- if proto.HasExtension(m, desc) {
- t.Errorf("proto.HasExtension(%s): got true, want false", proto.MarshalTextString(m))
- }
- if err := proto.SetExtension(m, desc, proto.Bool(true)); err != nil {
- t.Errorf("proto.SetExtension(m, desc, true): got error %q, want nil", err)
- }
- if !proto.HasExtension(m, desc) {
- t.Errorf("proto.HasExtension(%s): got false, want true", proto.MarshalTextString(m))
- }
- proto.ClearAllExtensions(m)
- if proto.HasExtension(m, desc) {
- t.Errorf("proto.HasExtension(%s): got true, want false", proto.MarshalTextString(m))
- }
-}
-
-func TestMarshalRace(t *testing.T) {
- ext := &pb.Ext{}
- m := &pb.MyMessage{Count: proto.Int32(4)}
- if err := proto.SetExtension(m, pb.E_Ext_More, ext); err != nil {
- t.Fatalf("proto.SetExtension(m, desc, true): got error %q, want nil", err)
- }
-
- b, err := proto.Marshal(m)
- if err != nil {
- t.Fatalf("Could not marshal message: %v", err)
- }
- if err := proto.Unmarshal(b, m); err != nil {
- t.Fatalf("Could not unmarshal message: %v", err)
- }
- // after Unmarshal, the extension is in undecoded form.
- // GetExtension will decode it lazily. Make sure this does
- // not race against Marshal.
-
- errChan := make(chan error, 6)
- for n := 3; n > 0; n-- {
- go func() {
- _, err := proto.Marshal(m)
- errChan <- err
- }()
- go func() {
- _, err := proto.GetExtension(m, pb.E_Ext_More)
- errChan <- err
- }()
- }
- for i := 0; i < 6; i++ {
- err := <-errChan
- if err != nil {
- t.Fatal(err)
- }
- }
-}
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