|  | // Copyright 2018 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 impl_test | 
|  |  | 
|  | import ( | 
|  | "fmt" | 
|  | "reflect" | 
|  | "sync" | 
|  | "testing" | 
|  |  | 
|  | "github.com/google/go-cmp/cmp" | 
|  | "github.com/google/go-cmp/cmp/cmpopts" | 
|  | "google.golang.org/protobuf/encoding/prototext" | 
|  | pimpl "google.golang.org/protobuf/internal/impl" | 
|  | "google.golang.org/protobuf/internal/pragma" | 
|  | "google.golang.org/protobuf/proto" | 
|  | pdesc "google.golang.org/protobuf/reflect/protodesc" | 
|  | pref "google.golang.org/protobuf/reflect/protoreflect" | 
|  | preg "google.golang.org/protobuf/reflect/protoregistry" | 
|  | piface "google.golang.org/protobuf/runtime/protoiface" | 
|  |  | 
|  | proto2_20180125 "google.golang.org/protobuf/internal/testprotos/legacy/proto2_20180125_92554152" | 
|  | "google.golang.org/protobuf/types/descriptorpb" | 
|  | ) | 
|  |  | 
|  | type LegacyTestMessage struct { | 
|  | XXX_unrecognized       []byte | 
|  | XXX_InternalExtensions map[int32]pimpl.ExtensionField | 
|  | } | 
|  |  | 
|  | func (*LegacyTestMessage) Reset()         {} | 
|  | func (*LegacyTestMessage) String() string { return "" } | 
|  | func (*LegacyTestMessage) ProtoMessage()  {} | 
|  | func (*LegacyTestMessage) ExtensionRangeArray() []piface.ExtensionRangeV1 { | 
|  | return []piface.ExtensionRangeV1{{Start: 10, End: 20}, {Start: 40, End: 80}, {Start: 10000, End: 20000}} | 
|  | } | 
|  | func (*LegacyTestMessage) Descriptor() ([]byte, []int) { return legacyFD, []int{0} } | 
|  |  | 
|  | var legacyFD = func() []byte { | 
|  | b, _ := proto.Marshal(pdesc.ToFileDescriptorProto(mustMakeFileDesc(` | 
|  | name:   "legacy.proto" | 
|  | syntax: "proto2" | 
|  | message_type: [{ | 
|  | name:            "LegacyTestMessage" | 
|  | extension_range: [{start:10 end:20}, {start:40 end:80}, {start:10000 end:20000}] | 
|  | }] | 
|  | `, nil))) | 
|  | return pimpl.Export{}.CompressGZIP(b) | 
|  | }() | 
|  |  | 
|  | func init() { | 
|  | mt := pimpl.Export{}.MessageTypeOf((*LegacyTestMessage)(nil)) | 
|  | preg.GlobalFiles.RegisterFile(mt.Descriptor().ParentFile()) | 
|  | preg.GlobalTypes.RegisterMessage(mt) | 
|  | } | 
|  |  | 
|  | func mustMakeExtensionType(fileDesc, extDesc string, t reflect.Type, r pdesc.Resolver) pref.ExtensionType { | 
|  | s := fmt.Sprintf(`name:"test.proto" syntax:"proto2" %s extension:[{%s}]`, fileDesc, extDesc) | 
|  | xd := mustMakeFileDesc(s, r).Extensions().Get(0) | 
|  | xi := &pimpl.ExtensionInfo{} | 
|  | pimpl.InitExtensionInfo(xi, xd, t) | 
|  | return xi | 
|  | } | 
|  |  | 
|  | func mustMakeFileDesc(s string, r pdesc.Resolver) pref.FileDescriptor { | 
|  | pb := new(descriptorpb.FileDescriptorProto) | 
|  | if err := prototext.Unmarshal([]byte(s), pb); err != nil { | 
|  | panic(err) | 
|  | } | 
|  | fd, err := pdesc.NewFile(pb, r) | 
|  | if err != nil { | 
|  | panic(err) | 
|  | } | 
|  | return fd | 
|  | } | 
|  |  | 
|  | var ( | 
|  | testParentDesc    = pimpl.Export{}.MessageDescriptorOf((*LegacyTestMessage)(nil)) | 
|  | testEnumV1Desc    = pimpl.Export{}.EnumDescriptorOf(proto2_20180125.Message_ChildEnum(0)) | 
|  | testMessageV1Desc = pimpl.Export{}.MessageDescriptorOf((*proto2_20180125.Message_ChildMessage)(nil)) | 
|  | testMessageV2Desc = enumMessagesType.Desc | 
|  |  | 
|  | depReg = newFileRegistry( | 
|  | testParentDesc.ParentFile(), | 
|  | testEnumV1Desc.ParentFile(), | 
|  | testMessageV1Desc.ParentFile(), | 
|  | enumProto2Desc.ParentFile(), | 
|  | testMessageV2Desc.ParentFile(), | 
|  | ) | 
|  | extensionTypes = []pref.ExtensionType{ | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"optional_bool" number:10000 label:LABEL_OPTIONAL type:TYPE_BOOL default_value:"true" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(false), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"optional_int32" number:10001 label:LABEL_OPTIONAL type:TYPE_INT32 default_value:"-12345" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(int32(0)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"optional_uint32" number:10002 label:LABEL_OPTIONAL type:TYPE_UINT32 default_value:"3200" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(uint32(0)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"optional_float" number:10003 label:LABEL_OPTIONAL type:TYPE_FLOAT default_value:"3.14159" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(float32(0)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"optional_string" number:10004 label:LABEL_OPTIONAL type:TYPE_STRING default_value:"hello, \"world!\"\n" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(""), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"optional_bytes" number:10005 label:LABEL_OPTIONAL type:TYPE_BYTES default_value:"dead\\336\\255\\276\\357beef" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(([]byte)(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "proto2_20180125_92554152/test.proto"]`, | 
|  | `name:"optional_enum_v1" number:10006 label:LABEL_OPTIONAL type:TYPE_ENUM type_name:".google.golang.org.proto2_20180125.Message.ChildEnum" default_value:"ALPHA" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(proto2_20180125.Message_ChildEnum(0)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "proto2_20180125_92554152/test.proto"]`, | 
|  | `name:"optional_message_v1" number:10007 label:LABEL_OPTIONAL type:TYPE_MESSAGE type_name:".google.golang.org.proto2_20180125.Message.ChildMessage" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf((*proto2_20180125.Message_ChildMessage)(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "enum2.proto"]`, | 
|  | `name:"optional_enum_v2" number:10008 label:LABEL_OPTIONAL type:TYPE_ENUM type_name:".EnumProto2" default_value:"DEAD" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf(EnumProto2(0)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "enum-messages.proto"]`, | 
|  | `name:"optional_message_v2" number:10009 label:LABEL_OPTIONAL type:TYPE_MESSAGE type_name:".EnumMessages" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf((*EnumMessages)(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"repeated_bool" number:10010 label:LABEL_REPEATED type:TYPE_BOOL extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]bool(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"repeated_int32" number:10011 label:LABEL_REPEATED type:TYPE_INT32 extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]int32(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"repeated_uint32" number:10012 label:LABEL_REPEATED type:TYPE_UINT32 extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]uint32(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"repeated_float" number:10013 label:LABEL_REPEATED type:TYPE_FLOAT extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]float32(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"repeated_string" number:10014 label:LABEL_REPEATED type:TYPE_STRING extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]string(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:"legacy.proto"`, | 
|  | `name:"repeated_bytes" number:10015 label:LABEL_REPEATED type:TYPE_BYTES extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([][]byte(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "proto2_20180125_92554152/test.proto"]`, | 
|  | `name:"repeated_enum_v1" number:10016 label:LABEL_REPEATED type:TYPE_ENUM type_name:".google.golang.org.proto2_20180125.Message.ChildEnum" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]proto2_20180125.Message_ChildEnum(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "proto2_20180125_92554152/test.proto"]`, | 
|  | `name:"repeated_message_v1" number:10017 label:LABEL_REPEATED type:TYPE_MESSAGE type_name:".google.golang.org.proto2_20180125.Message.ChildMessage" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]*proto2_20180125.Message_ChildMessage(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "enum2.proto"]`, | 
|  | `name:"repeated_enum_v2" number:10018 label:LABEL_REPEATED type:TYPE_ENUM type_name:".EnumProto2" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]EnumProto2(nil)), depReg, | 
|  | ), | 
|  | mustMakeExtensionType( | 
|  | `package:"fizz.buzz" dependency:["legacy.proto", "enum-messages.proto"]`, | 
|  | `name:"repeated_message_v2" number:10019 label:LABEL_REPEATED type:TYPE_MESSAGE type_name:".EnumMessages" extendee:".LegacyTestMessage"`, | 
|  | reflect.TypeOf([]*EnumMessages(nil)), depReg, | 
|  | ), | 
|  | } | 
|  |  | 
|  | extensionDescs = []*pimpl.ExtensionInfo{{ | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*bool)(nil), | 
|  | Field:         10000, | 
|  | Name:          "fizz.buzz.optional_bool", | 
|  | Tag:           "varint,10000,opt,name=optional_bool,def=1", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*int32)(nil), | 
|  | Field:         10001, | 
|  | Name:          "fizz.buzz.optional_int32", | 
|  | Tag:           "varint,10001,opt,name=optional_int32,def=-12345", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*uint32)(nil), | 
|  | Field:         10002, | 
|  | Name:          "fizz.buzz.optional_uint32", | 
|  | Tag:           "varint,10002,opt,name=optional_uint32,def=3200", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*float32)(nil), | 
|  | Field:         10003, | 
|  | Name:          "fizz.buzz.optional_float", | 
|  | Tag:           "fixed32,10003,opt,name=optional_float,def=3.14159", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*string)(nil), | 
|  | Field:         10004, | 
|  | Name:          "fizz.buzz.optional_string", | 
|  | Tag:           "bytes,10004,opt,name=optional_string,def=hello, \"world!\"\n", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]byte)(nil), | 
|  | Field:         10005, | 
|  | Name:          "fizz.buzz.optional_bytes", | 
|  | Tag:           "bytes,10005,opt,name=optional_bytes,def=dead\\336\\255\\276\\357beef", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*proto2_20180125.Message_ChildEnum)(nil), | 
|  | Field:         10006, | 
|  | Name:          "fizz.buzz.optional_enum_v1", | 
|  | Tag:           "varint,10006,opt,name=optional_enum_v1,enum=google.golang.org.proto2_20180125.Message_ChildEnum,def=0", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*proto2_20180125.Message_ChildMessage)(nil), | 
|  | Field:         10007, | 
|  | Name:          "fizz.buzz.optional_message_v1", | 
|  | Tag:           "bytes,10007,opt,name=optional_message_v1", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*EnumProto2)(nil), | 
|  | Field:         10008, | 
|  | Name:          "fizz.buzz.optional_enum_v2", | 
|  | Tag:           "varint,10008,opt,name=optional_enum_v2,enum=EnumProto2,def=57005", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: (*EnumMessages)(nil), | 
|  | Field:         10009, | 
|  | Name:          "fizz.buzz.optional_message_v2", | 
|  | Tag:           "bytes,10009,opt,name=optional_message_v2", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]bool)(nil), | 
|  | Field:         10010, | 
|  | Name:          "fizz.buzz.repeated_bool", | 
|  | Tag:           "varint,10010,rep,name=repeated_bool", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]int32)(nil), | 
|  | Field:         10011, | 
|  | Name:          "fizz.buzz.repeated_int32", | 
|  | Tag:           "varint,10011,rep,name=repeated_int32", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]uint32)(nil), | 
|  | Field:         10012, | 
|  | Name:          "fizz.buzz.repeated_uint32", | 
|  | Tag:           "varint,10012,rep,name=repeated_uint32", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]float32)(nil), | 
|  | Field:         10013, | 
|  | Name:          "fizz.buzz.repeated_float", | 
|  | Tag:           "fixed32,10013,rep,name=repeated_float", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]string)(nil), | 
|  | Field:         10014, | 
|  | Name:          "fizz.buzz.repeated_string", | 
|  | Tag:           "bytes,10014,rep,name=repeated_string", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([][]byte)(nil), | 
|  | Field:         10015, | 
|  | Name:          "fizz.buzz.repeated_bytes", | 
|  | Tag:           "bytes,10015,rep,name=repeated_bytes", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]proto2_20180125.Message_ChildEnum)(nil), | 
|  | Field:         10016, | 
|  | Name:          "fizz.buzz.repeated_enum_v1", | 
|  | Tag:           "varint,10016,rep,name=repeated_enum_v1,enum=google.golang.org.proto2_20180125.Message_ChildEnum", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]*proto2_20180125.Message_ChildMessage)(nil), | 
|  | Field:         10017, | 
|  | Name:          "fizz.buzz.repeated_message_v1", | 
|  | Tag:           "bytes,10017,rep,name=repeated_message_v1", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]EnumProto2)(nil), | 
|  | Field:         10018, | 
|  | Name:          "fizz.buzz.repeated_enum_v2", | 
|  | Tag:           "varint,10018,rep,name=repeated_enum_v2,enum=EnumProto2", | 
|  | Filename:      "test.proto", | 
|  | }, { | 
|  | ExtendedType:  (*LegacyTestMessage)(nil), | 
|  | ExtensionType: ([]*EnumMessages)(nil), | 
|  | Field:         10019, | 
|  | Name:          "fizz.buzz.repeated_message_v2", | 
|  | Tag:           "bytes,10019,rep,name=repeated_message_v2", | 
|  | Filename:      "test.proto", | 
|  | }} | 
|  | ) | 
|  |  | 
|  | func TestLegacyExtensions(t *testing.T) { | 
|  | opts := cmp.Options{cmp.Comparer(func(x, y *proto2_20180125.Message_ChildMessage) bool { | 
|  | return x == y // pointer compare messages for object identity | 
|  | })} | 
|  |  | 
|  | m := pimpl.Export{}.MessageOf(new(LegacyTestMessage)) | 
|  |  | 
|  | // Check that getting the zero value returns the default value for scalars, | 
|  | // nil for singular messages, and an empty list for repeated fields. | 
|  | defaultValues := map[int]interface{}{ | 
|  | 0: bool(true), | 
|  | 1: int32(-12345), | 
|  | 2: uint32(3200), | 
|  | 3: float32(3.14159), | 
|  | 4: string("hello, \"world!\"\n"), | 
|  | 5: []byte("dead\xde\xad\xbe\xefbeef"), | 
|  | 6: proto2_20180125.Message_ALPHA, | 
|  | 7: nil, | 
|  | 8: EnumProto2(0xdead), | 
|  | 9: nil, | 
|  | } | 
|  | for i, xt := range extensionTypes { | 
|  | var got interface{} | 
|  | xd := xt.TypeDescriptor() | 
|  | if !(xd.IsList() || xd.IsMap() || xd.Message() != nil) { | 
|  | got = xt.InterfaceOf(m.Get(xd)) | 
|  | } | 
|  | want := defaultValues[i] | 
|  | if diff := cmp.Diff(want, got, opts); diff != "" { | 
|  | t.Errorf("Message.Get(%d) mismatch (-want +got):\n%v", xd.Number(), diff) | 
|  | } | 
|  | } | 
|  |  | 
|  | // All fields should be unpopulated. | 
|  | for _, xt := range extensionTypes { | 
|  | xd := xt.TypeDescriptor() | 
|  | if m.Has(xd) { | 
|  | t.Errorf("Message.Has(%d) = true, want false", xd.Number()) | 
|  | } | 
|  | } | 
|  |  | 
|  | // Set some values and append to values to the lists. | 
|  | m1a := &proto2_20180125.Message_ChildMessage{F1: proto.String("m1a")} | 
|  | m1b := &proto2_20180125.Message_ChildMessage{F1: proto.String("m2b")} | 
|  | m2a := &EnumMessages{EnumP2: EnumProto2(0x1b).Enum()} | 
|  | m2b := &EnumMessages{EnumP2: EnumProto2(0x2b).Enum()} | 
|  | setValues := map[int]interface{}{ | 
|  | 0:  bool(false), | 
|  | 1:  int32(-54321), | 
|  | 2:  uint32(6400), | 
|  | 3:  float32(2.71828), | 
|  | 4:  string("goodbye, \"world!\"\n"), | 
|  | 5:  []byte("live\xde\xad\xbe\xefchicken"), | 
|  | 6:  proto2_20180125.Message_CHARLIE, | 
|  | 7:  m1a, | 
|  | 8:  EnumProto2(0xbeef), | 
|  | 9:  m2a, | 
|  | 10: []bool{true}, | 
|  | 11: []int32{-1000}, | 
|  | 12: []uint32{1280}, | 
|  | 13: []float32{1.6180}, | 
|  | 14: []string{"zero"}, | 
|  | 15: [][]byte{[]byte("zero")}, | 
|  | 16: []proto2_20180125.Message_ChildEnum{proto2_20180125.Message_BRAVO}, | 
|  | 17: []*proto2_20180125.Message_ChildMessage{m1b}, | 
|  | 18: []EnumProto2{0xdead}, | 
|  | 19: []*EnumMessages{m2b}, | 
|  | } | 
|  | for i, xt := range extensionTypes { | 
|  | m.Set(xt.TypeDescriptor(), xt.ValueOf(setValues[i])) | 
|  | } | 
|  | for i, xt := range extensionTypes[len(extensionTypes)/2:] { | 
|  | v := extensionTypes[i].ValueOf(setValues[i]) | 
|  | m.Get(xt.TypeDescriptor()).List().Append(v) | 
|  | } | 
|  |  | 
|  | // Get the values and check for equality. | 
|  | getValues := map[int]interface{}{ | 
|  | 0:  bool(false), | 
|  | 1:  int32(-54321), | 
|  | 2:  uint32(6400), | 
|  | 3:  float32(2.71828), | 
|  | 4:  string("goodbye, \"world!\"\n"), | 
|  | 5:  []byte("live\xde\xad\xbe\xefchicken"), | 
|  | 6:  proto2_20180125.Message_ChildEnum(proto2_20180125.Message_CHARLIE), | 
|  | 7:  m1a, | 
|  | 8:  EnumProto2(0xbeef), | 
|  | 9:  m2a, | 
|  | 10: []bool{true, false}, | 
|  | 11: []int32{-1000, -54321}, | 
|  | 12: []uint32{1280, 6400}, | 
|  | 13: []float32{1.6180, 2.71828}, | 
|  | 14: []string{"zero", "goodbye, \"world!\"\n"}, | 
|  | 15: [][]byte{[]byte("zero"), []byte("live\xde\xad\xbe\xefchicken")}, | 
|  | 16: []proto2_20180125.Message_ChildEnum{proto2_20180125.Message_BRAVO, proto2_20180125.Message_CHARLIE}, | 
|  | 17: []*proto2_20180125.Message_ChildMessage{m1b, m1a}, | 
|  | 18: []EnumProto2{0xdead, 0xbeef}, | 
|  | 19: []*EnumMessages{m2b, m2a}, | 
|  | } | 
|  | for i, xt := range extensionTypes { | 
|  | xd := xt.TypeDescriptor() | 
|  | got := xt.InterfaceOf(m.Get(xd)) | 
|  | want := getValues[i] | 
|  | if diff := cmp.Diff(want, got, opts); diff != "" { | 
|  | t.Errorf("Message.Get(%d) mismatch (-want +got):\n%v", xd.Number(), diff) | 
|  | } | 
|  | } | 
|  |  | 
|  | // Clear all singular fields and truncate all repeated fields. | 
|  | for _, xt := range extensionTypes[:len(extensionTypes)/2] { | 
|  | m.Clear(xt.TypeDescriptor()) | 
|  | } | 
|  | for _, xt := range extensionTypes[len(extensionTypes)/2:] { | 
|  | m.Get(xt.TypeDescriptor()).List().Truncate(0) | 
|  | } | 
|  |  | 
|  | // Clear all repeated fields. | 
|  | for _, xt := range extensionTypes[len(extensionTypes)/2:] { | 
|  | m.Clear(xt.TypeDescriptor()) | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestLegacyExtensionConvert(t *testing.T) { | 
|  | for i := range extensionTypes { | 
|  | i := i | 
|  | t.Run("", func(t *testing.T) { | 
|  | t.Parallel() | 
|  |  | 
|  | wantType := extensionTypes[i] | 
|  | wantDesc := extensionDescs[i] | 
|  | gotType := (pref.ExtensionType)(wantDesc) | 
|  | gotDesc := wantType.(*pimpl.ExtensionInfo) | 
|  |  | 
|  | // Concurrently call accessors to trigger possible races. | 
|  | for _, xt := range []pref.ExtensionType{wantType, wantDesc} { | 
|  | xt := xt | 
|  | go func() { xt.New() }() | 
|  | go func() { xt.Zero() }() | 
|  | go func() { xt.TypeDescriptor() }() | 
|  | } | 
|  |  | 
|  | // TODO: We need a test package to compare descriptors. | 
|  | type list interface { | 
|  | Len() int | 
|  | pragma.DoNotImplement | 
|  | } | 
|  | opts := cmp.Options{ | 
|  | cmp.Comparer(func(x, y reflect.Type) bool { | 
|  | return x == y | 
|  | }), | 
|  | cmp.Transformer("", func(x list) []interface{} { | 
|  | out := make([]interface{}, x.Len()) | 
|  | v := reflect.ValueOf(x) | 
|  | for i := 0; i < x.Len(); i++ { | 
|  | m := v.MethodByName("Get") | 
|  | out[i] = m.Call([]reflect.Value{reflect.ValueOf(i)})[0].Interface() | 
|  | } | 
|  | return out | 
|  | }), | 
|  | cmp.Transformer("", func(x pref.Descriptor) map[string]interface{} { | 
|  | out := make(map[string]interface{}) | 
|  | v := reflect.ValueOf(x) | 
|  | for i := 0; i < v.NumMethod(); i++ { | 
|  | name := v.Type().Method(i).Name | 
|  | if m := v.Method(i); m.Type().NumIn() == 0 && m.Type().NumOut() == 1 { | 
|  | switch name { | 
|  | case "ParentFile", "Parent": | 
|  | // Ignore parents to avoid recursive cycle. | 
|  | case "Options": | 
|  | // Ignore descriptor options since protos are not cmperable. | 
|  | case "ContainingOneof", "ContainingMessage", "Enum", "Message": | 
|  | // Avoid descending into a dependency to avoid a cycle. | 
|  | // Just record the full name if available. | 
|  | // | 
|  | // TODO: Cycle support in cmp would be useful here. | 
|  | v := m.Call(nil)[0] | 
|  | if !v.IsNil() { | 
|  | out[name] = v.Interface().(pref.Descriptor).FullName() | 
|  | } | 
|  | case "Type": | 
|  | // Ignore ExtensionTypeDescriptor.Type method to avoid cycle. | 
|  | default: | 
|  | out[name] = m.Call(nil)[0].Interface() | 
|  | } | 
|  | } | 
|  | } | 
|  | return out | 
|  | }), | 
|  | cmp.Transformer("", func(xt pref.ExtensionType) map[string]interface{} { | 
|  | return map[string]interface{}{ | 
|  | "Descriptor": xt.TypeDescriptor(), | 
|  | } | 
|  | }), | 
|  | cmp.Transformer("", func(v pref.Value) interface{} { | 
|  | return v.Interface() | 
|  | }), | 
|  | } | 
|  | if diff := cmp.Diff(&wantType, &gotType, opts); diff != "" { | 
|  | t.Errorf("ExtensionType mismatch (-want, +got):\n%v", diff) | 
|  | } | 
|  |  | 
|  | opts = cmp.Options{ | 
|  | cmpopts.IgnoreFields(pimpl.ExtensionInfo{}, "ExtensionType"), | 
|  | cmpopts.IgnoreUnexported(pimpl.ExtensionInfo{}), | 
|  | } | 
|  | if diff := cmp.Diff(wantDesc, gotDesc, opts); diff != "" { | 
|  | t.Errorf("ExtensionDesc mismatch (-want, +got):\n%v", diff) | 
|  | } | 
|  | }) | 
|  | } | 
|  | } | 
|  |  | 
|  | type ( | 
|  | MessageA struct { | 
|  | A1 *MessageA `protobuf:"bytes,1,req,name=a1"` | 
|  | A2 *MessageB `protobuf:"bytes,2,req,name=a2"` | 
|  | A3 Enum      `protobuf:"varint,3,opt,name=a3,enum=legacy.Enum"` | 
|  | } | 
|  | MessageB struct { | 
|  | B1 *MessageA `protobuf:"bytes,1,req,name=b1"` | 
|  | B2 *MessageB `protobuf:"bytes,2,req,name=b2"` | 
|  | B3 Enum      `protobuf:"varint,3,opt,name=b3,enum=legacy.Enum"` | 
|  | } | 
|  | Enum int32 | 
|  | ) | 
|  |  | 
|  | func (*MessageA) Reset()                      { panic("not implemented") } | 
|  | func (*MessageA) String() string              { panic("not implemented") } | 
|  | func (*MessageA) ProtoMessage()               { panic("not implemented") } | 
|  | func (*MessageA) Descriptor() ([]byte, []int) { return concurrentFD, []int{0} } | 
|  |  | 
|  | func (*MessageB) Reset()                      { panic("not implemented") } | 
|  | func (*MessageB) String() string              { panic("not implemented") } | 
|  | func (*MessageB) ProtoMessage()               { panic("not implemented") } | 
|  | func (*MessageB) Descriptor() ([]byte, []int) { return concurrentFD, []int{1} } | 
|  |  | 
|  | func (Enum) EnumDescriptor() ([]byte, []int) { return concurrentFD, []int{0} } | 
|  |  | 
|  | var concurrentFD = func() []byte { | 
|  | b, _ := proto.Marshal(pdesc.ToFileDescriptorProto(mustMakeFileDesc(` | 
|  | name:    "concurrent.proto" | 
|  | syntax:  "proto2" | 
|  | package: "legacy" | 
|  | message_type: [{ | 
|  | name: "MessageA" | 
|  | field: [ | 
|  | {name:"a1" number:1 label:LABEL_REQUIRED type:TYPE_MESSAGE type_name:".legacy.MessageA"}, | 
|  | {name:"a2" number:2 label:LABEL_REQUIRED type:TYPE_MESSAGE type_name:".legacy.MessageB"}, | 
|  | {name:"a3" number:3 label:LABEL_OPTIONAL type:TYPE_ENUM    type_name:".legacy.Enum"} | 
|  | ] | 
|  | }, { | 
|  | name: "MessageB" | 
|  | field: [ | 
|  | {name:"a1" number:1 label:LABEL_REQUIRED type:TYPE_MESSAGE type_name:".legacy.MessageA"}, | 
|  | {name:"a2" number:2 label:LABEL_REQUIRED type:TYPE_MESSAGE type_name:".legacy.MessageB"}, | 
|  | {name:"a3" number:3 label:LABEL_OPTIONAL type:TYPE_ENUM    type_name:".legacy.Enum"} | 
|  | ] | 
|  | }] | 
|  | enum_type: [{ | 
|  | name:  "Enum" | 
|  | value: [{name:"FOO" number:500}] | 
|  | }] | 
|  | `, nil))) | 
|  | return pimpl.Export{}.CompressGZIP(b) | 
|  | }() | 
|  |  | 
|  | // TestLegacyConcurrentInit tests that concurrent wrapping of multiple legacy types | 
|  | // results in the exact same descriptor being created. | 
|  | func TestLegacyConcurrentInit(t *testing.T) { | 
|  | const numParallel = 5 | 
|  | var messageATypes [numParallel]pref.MessageType | 
|  | var messageBTypes [numParallel]pref.MessageType | 
|  | var enumDescs [numParallel]pref.EnumDescriptor | 
|  |  | 
|  | // Concurrently load message and enum types. | 
|  | var wg sync.WaitGroup | 
|  | for i := 0; i < numParallel; i++ { | 
|  | i := i | 
|  | wg.Add(3) | 
|  | go func() { | 
|  | defer wg.Done() | 
|  | messageATypes[i] = pimpl.Export{}.MessageTypeOf((*MessageA)(nil)) | 
|  | }() | 
|  | go func() { | 
|  | defer wg.Done() | 
|  | messageBTypes[i] = pimpl.Export{}.MessageTypeOf((*MessageB)(nil)) | 
|  | }() | 
|  | go func() { | 
|  | defer wg.Done() | 
|  | enumDescs[i] = pimpl.Export{}.EnumDescriptorOf(Enum(0)) | 
|  | }() | 
|  | } | 
|  | wg.Wait() | 
|  |  | 
|  | var ( | 
|  | wantMTA = messageATypes[0] | 
|  | wantMDA = messageATypes[0].Descriptor().Fields().ByNumber(1).Message() | 
|  | wantMTB = messageBTypes[0] | 
|  | wantMDB = messageBTypes[0].Descriptor().Fields().ByNumber(2).Message() | 
|  | wantED  = messageATypes[0].Descriptor().Fields().ByNumber(3).Enum() | 
|  | ) | 
|  |  | 
|  | for _, gotMT := range messageATypes[1:] { | 
|  | if gotMT != wantMTA { | 
|  | t.Error("MessageType(MessageA) mismatch") | 
|  | } | 
|  | if gotMDA := gotMT.Descriptor().Fields().ByNumber(1).Message(); gotMDA != wantMDA { | 
|  | t.Error("MessageDescriptor(MessageA) mismatch") | 
|  | } | 
|  | if gotMDB := gotMT.Descriptor().Fields().ByNumber(2).Message(); gotMDB != wantMDB { | 
|  | t.Error("MessageDescriptor(MessageB) mismatch") | 
|  | } | 
|  | if gotED := gotMT.Descriptor().Fields().ByNumber(3).Enum(); gotED != wantED { | 
|  | t.Error("EnumDescriptor(Enum) mismatch") | 
|  | } | 
|  | } | 
|  | for _, gotMT := range messageBTypes[1:] { | 
|  | if gotMT != wantMTB { | 
|  | t.Error("MessageType(MessageB) mismatch") | 
|  | } | 
|  | if gotMDA := gotMT.Descriptor().Fields().ByNumber(1).Message(); gotMDA != wantMDA { | 
|  | t.Error("MessageDescriptor(MessageA) mismatch") | 
|  | } | 
|  | if gotMDB := gotMT.Descriptor().Fields().ByNumber(2).Message(); gotMDB != wantMDB { | 
|  | t.Error("MessageDescriptor(MessageB) mismatch") | 
|  | } | 
|  | if gotED := gotMT.Descriptor().Fields().ByNumber(3).Enum(); gotED != wantED { | 
|  | t.Error("EnumDescriptor(Enum) mismatch") | 
|  | } | 
|  | } | 
|  | for _, gotED := range enumDescs[1:] { | 
|  | if gotED != wantED { | 
|  | t.Error("EnumType(Enum) mismatch") | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | type LegacyTestMessageName1 struct{} | 
|  |  | 
|  | func (*LegacyTestMessageName1) Reset()         { panic("not implemented") } | 
|  | func (*LegacyTestMessageName1) String() string { panic("not implemented") } | 
|  | func (*LegacyTestMessageName1) ProtoMessage()  { panic("not implemented") } | 
|  |  | 
|  | type LegacyTestMessageName2 struct{} | 
|  |  | 
|  | func (*LegacyTestMessageName2) Reset()         { panic("not implemented") } | 
|  | func (*LegacyTestMessageName2) String() string { panic("not implemented") } | 
|  | func (*LegacyTestMessageName2) ProtoMessage()  { panic("not implemented") } | 
|  | func (*LegacyTestMessageName2) XXX_MessageName() string { | 
|  | return "google.golang.org.LegacyTestMessageName2" | 
|  | } | 
|  |  | 
|  | func TestLegacyMessageName(t *testing.T) { | 
|  | tests := []struct { | 
|  | in          piface.MessageV1 | 
|  | suggestName pref.FullName | 
|  | wantName    pref.FullName | 
|  | }{ | 
|  | {new(LegacyTestMessageName1), "google.golang.org.LegacyTestMessageName1", "google.golang.org.LegacyTestMessageName1"}, | 
|  | {new(LegacyTestMessageName2), "", "google.golang.org.LegacyTestMessageName2"}, | 
|  | } | 
|  |  | 
|  | for _, tt := range tests { | 
|  | mt := pimpl.Export{}.LegacyMessageTypeOf(tt.in, tt.suggestName) | 
|  | if got := mt.Descriptor().FullName(); got != tt.wantName { | 
|  | t.Errorf("type: %T, name mismatch: got %v, want %v", tt.in, got, tt.wantName) | 
|  | } | 
|  | } | 
|  | } |