1// Go support for Protocol Buffers - Google's data interchange format 2// 3// Copyright 2012 The Go Authors. All rights reserved. 4// https://github.com/golang/protobuf 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: 9// 10// * Redistributions of source code must retain the above copyright 11// notice, this list of conditions and the following disclaimer. 12// * Redistributions in binary form must reproduce the above 13// copyright notice, this list of conditions and the following disclaimer 14// in the documentation and/or other materials provided with the 15// distribution. 16// * Neither the name of Google Inc. nor the names of its 17// contributors may be used to endorse or promote products derived from 18// this software without specific prior written permission. 19// 20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32package proto_test 33 34import ( 35 "log" 36 "strings" 37 "testing" 38 39 . "github.com/golang/protobuf/proto" 40 proto3pb "github.com/golang/protobuf/proto/proto3_proto" 41 pb "github.com/golang/protobuf/proto/test_proto" 42) 43 44var messageWithExtension1 = &pb.MyMessage{Count: Int32(7)} 45 46// messageWithExtension2 is in equal_test.go. 47var messageWithExtension3 = &pb.MyMessage{Count: Int32(8)} 48 49func init() { 50 if err := SetExtension(messageWithExtension1, pb.E_Ext_More, &pb.Ext{Data: String("Abbott")}); err != nil { 51 log.Panicf("SetExtension: %v", err) 52 } 53 if err := SetExtension(messageWithExtension3, pb.E_Ext_More, &pb.Ext{Data: String("Costello")}); err != nil { 54 log.Panicf("SetExtension: %v", err) 55 } 56 57 // Force messageWithExtension3 to have the extension encoded. 58 Marshal(messageWithExtension3) 59 60} 61 62// non-pointer custom message 63type nonptrMessage struct{} 64 65func (m nonptrMessage) ProtoMessage() {} 66func (m nonptrMessage) Reset() {} 67func (m nonptrMessage) String() string { return "" } 68 69func (m nonptrMessage) Marshal() ([]byte, error) { 70 return []byte{42}, nil 71} 72 73// custom message embedding a proto.Message 74type messageWithEmbedding struct { 75 *pb.OtherMessage 76} 77 78func (m *messageWithEmbedding) ProtoMessage() {} 79func (m *messageWithEmbedding) Reset() {} 80func (m *messageWithEmbedding) String() string { return "" } 81 82func (m *messageWithEmbedding) Marshal() ([]byte, error) { 83 return []byte{42}, nil 84} 85 86var SizeTests = []struct { 87 desc string 88 pb Message 89}{ 90 {"empty", &pb.OtherMessage{}}, 91 // Basic types. 92 {"bool", &pb.Defaults{F_Bool: Bool(true)}}, 93 {"int32", &pb.Defaults{F_Int32: Int32(12)}}, 94 {"negative int32", &pb.Defaults{F_Int32: Int32(-1)}}, 95 {"small int64", &pb.Defaults{F_Int64: Int64(1)}}, 96 {"big int64", &pb.Defaults{F_Int64: Int64(1 << 20)}}, 97 {"negative int64", &pb.Defaults{F_Int64: Int64(-1)}}, 98 {"fixed32", &pb.Defaults{F_Fixed32: Uint32(71)}}, 99 {"fixed64", &pb.Defaults{F_Fixed64: Uint64(72)}}, 100 {"uint32", &pb.Defaults{F_Uint32: Uint32(123)}}, 101 {"uint64", &pb.Defaults{F_Uint64: Uint64(124)}}, 102 {"float", &pb.Defaults{F_Float: Float32(12.6)}}, 103 {"double", &pb.Defaults{F_Double: Float64(13.9)}}, 104 {"string", &pb.Defaults{F_String: String("niles")}}, 105 {"bytes", &pb.Defaults{F_Bytes: []byte("wowsa")}}, 106 {"bytes, empty", &pb.Defaults{F_Bytes: []byte{}}}, 107 {"sint32", &pb.Defaults{F_Sint32: Int32(65)}}, 108 {"sint64", &pb.Defaults{F_Sint64: Int64(67)}}, 109 {"enum", &pb.Defaults{F_Enum: pb.Defaults_BLUE.Enum()}}, 110 // Repeated. 111 {"empty repeated bool", &pb.MoreRepeated{Bools: []bool{}}}, 112 {"repeated bool", &pb.MoreRepeated{Bools: []bool{false, true, true, false}}}, 113 {"packed repeated bool", &pb.MoreRepeated{BoolsPacked: []bool{false, true, true, false, true, true, true}}}, 114 {"repeated int32", &pb.MoreRepeated{Ints: []int32{1, 12203, 1729, -1}}}, 115 {"repeated int32 packed", &pb.MoreRepeated{IntsPacked: []int32{1, 12203, 1729}}}, 116 {"repeated int64 packed", &pb.MoreRepeated{Int64SPacked: []int64{ 117 // Need enough large numbers to verify that the header is counting the number of bytes 118 // for the field, not the number of elements. 119 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 120 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 121 }}}, 122 {"repeated string", &pb.MoreRepeated{Strings: []string{"r", "ken", "gri"}}}, 123 {"repeated fixed", &pb.MoreRepeated{Fixeds: []uint32{1, 2, 3, 4}}}, 124 // Nested. 125 {"nested", &pb.OldMessage{Nested: &pb.OldMessage_Nested{Name: String("whatever")}}}, 126 {"group", &pb.GroupOld{G: &pb.GroupOld_G{X: Int32(12345)}}}, 127 // Other things. 128 {"unrecognized", &pb.MoreRepeated{XXX_unrecognized: []byte{13<<3 | 0, 4}}}, 129 {"extension (unencoded)", messageWithExtension1}, 130 {"extension (encoded)", messageWithExtension3}, 131 // proto3 message 132 {"proto3 empty", &proto3pb.Message{}}, 133 {"proto3 bool", &proto3pb.Message{TrueScotsman: true}}, 134 {"proto3 int64", &proto3pb.Message{ResultCount: 1}}, 135 {"proto3 uint32", &proto3pb.Message{HeightInCm: 123}}, 136 {"proto3 float", &proto3pb.Message{Score: 12.6}}, 137 {"proto3 string", &proto3pb.Message{Name: "Snezana"}}, 138 {"proto3 bytes", &proto3pb.Message{Data: []byte("wowsa")}}, 139 {"proto3 bytes, empty", &proto3pb.Message{Data: []byte{}}}, 140 {"proto3 enum", &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}}, 141 {"proto3 map field with empty bytes", &proto3pb.MessageWithMap{ByteMapping: map[bool][]byte{false: []byte{}}}}, 142 143 {"map field", &pb.MessageWithMap{NameMapping: map[int32]string{1: "Rob", 7: "Andrew"}}}, 144 {"map field with message", &pb.MessageWithMap{MsgMapping: map[int64]*pb.FloatingPoint{0x7001: &pb.FloatingPoint{F: Float64(2.0)}}}}, 145 {"map field with bytes", &pb.MessageWithMap{ByteMapping: map[bool][]byte{true: []byte("this time for sure")}}}, 146 {"map field with empty bytes", &pb.MessageWithMap{ByteMapping: map[bool][]byte{true: []byte{}}}}, 147 148 {"map field with big entry", &pb.MessageWithMap{NameMapping: map[int32]string{8: strings.Repeat("x", 125)}}}, 149 {"map field with big key and val", &pb.MessageWithMap{StrToStr: map[string]string{strings.Repeat("x", 70): strings.Repeat("y", 70)}}}, 150 {"map field with big numeric key", &pb.MessageWithMap{NameMapping: map[int32]string{0xf00d: "om nom nom"}}}, 151 152 {"oneof not set", &pb.Oneof{}}, 153 {"oneof bool", &pb.Oneof{Union: &pb.Oneof_F_Bool{true}}}, 154 {"oneof zero int32", &pb.Oneof{Union: &pb.Oneof_F_Int32{0}}}, 155 {"oneof big int32", &pb.Oneof{Union: &pb.Oneof_F_Int32{1 << 20}}}, 156 {"oneof int64", &pb.Oneof{Union: &pb.Oneof_F_Int64{42}}}, 157 {"oneof fixed32", &pb.Oneof{Union: &pb.Oneof_F_Fixed32{43}}}, 158 {"oneof fixed64", &pb.Oneof{Union: &pb.Oneof_F_Fixed64{44}}}, 159 {"oneof uint32", &pb.Oneof{Union: &pb.Oneof_F_Uint32{45}}}, 160 {"oneof uint64", &pb.Oneof{Union: &pb.Oneof_F_Uint64{46}}}, 161 {"oneof float", &pb.Oneof{Union: &pb.Oneof_F_Float{47.1}}}, 162 {"oneof double", &pb.Oneof{Union: &pb.Oneof_F_Double{48.9}}}, 163 {"oneof string", &pb.Oneof{Union: &pb.Oneof_F_String{"Rhythmic Fman"}}}, 164 {"oneof bytes", &pb.Oneof{Union: &pb.Oneof_F_Bytes{[]byte("let go")}}}, 165 {"oneof sint32", &pb.Oneof{Union: &pb.Oneof_F_Sint32{50}}}, 166 {"oneof sint64", &pb.Oneof{Union: &pb.Oneof_F_Sint64{51}}}, 167 {"oneof enum", &pb.Oneof{Union: &pb.Oneof_F_Enum{pb.MyMessage_BLUE}}}, 168 {"message for oneof", &pb.GoTestField{Label: String("k"), Type: String("v")}}, 169 {"oneof message", &pb.Oneof{Union: &pb.Oneof_F_Message{&pb.GoTestField{Label: String("k"), Type: String("v")}}}}, 170 {"oneof group", &pb.Oneof{Union: &pb.Oneof_FGroup{&pb.Oneof_F_Group{X: Int32(52)}}}}, 171 {"oneof largest tag", &pb.Oneof{Union: &pb.Oneof_F_Largest_Tag{1}}}, 172 {"multiple oneofs", &pb.Oneof{Union: &pb.Oneof_F_Int32{1}, Tormato: &pb.Oneof_Value{2}}}, 173 174 {"non-pointer message", nonptrMessage{}}, 175 {"custom message with embedding", &messageWithEmbedding{&pb.OtherMessage{}}}, 176} 177 178func TestSize(t *testing.T) { 179 for _, tc := range SizeTests { 180 size := Size(tc.pb) 181 b, err := Marshal(tc.pb) 182 if err != nil { 183 t.Errorf("%v: Marshal failed: %v", tc.desc, err) 184 continue 185 } 186 if size != len(b) { 187 t.Errorf("%v: Size(%v) = %d, want %d", tc.desc, tc.pb, size, len(b)) 188 t.Logf("%v: bytes: %#v", tc.desc, b) 189 } 190 } 191} 192