text: // Go support for Protocol Buffers - Google's data interchange format
  //
  // Copyright 2012 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 (
  	"log"
  	"strings"
  	"testing"
  
  	. "github.com/gogo/protobuf/proto"
  	proto3pb "github.com/gogo/protobuf/proto/proto3_proto"
  	pb "github.com/gogo/protobuf/proto/testdata"
  )
  
  var messageWithExtension1 = &pb.MyMessage{Count: Int32(7)}
  
  // messageWithExtension2 is in equal_test.go.
  var messageWithExtension3 = &pb.MyMessage{Count: Int32(8)}
  
  func init() {
  	if err := SetExtension(messageWithExtension1, pb.E_Ext_More, &pb.Ext{Data: String("Abbott")}); err != nil {
  		log.Panicf("SetExtension: %v", err)
  	}
  	if err := SetExtension(messageWithExtension3, pb.E_Ext_More, &pb.Ext{Data: String("Costello")}); err != nil {
  		log.Panicf("SetExtension: %v", err)
  	}
  
  	// Force messageWithExtension3 to have the extension encoded.
  	Marshal(messageWithExtension3)
  
  }
  
  var SizeTests = []struct {
  	desc string
  	pb   Message
  }{
  	{"empty", &pb.OtherMessage{}},
  	// Basic types.
  	{"bool", &pb.Defaults{F_Bool: Bool(true)}},
  	{"int32", &pb.Defaults{F_Int32: Int32(12)}},
  	{"negative int32", &pb.Defaults{F_Int32: Int32(-1)}},
  	{"small int64", &pb.Defaults{F_Int64: Int64(1)}},
  	{"big int64", &pb.Defaults{F_Int64: Int64(1 << 20)}},
  	{"negative int64", &pb.Defaults{F_Int64: Int64(-1)}},
  	{"fixed32", &pb.Defaults{F_Fixed32: Uint32(71)}},
  	{"fixed64", &pb.Defaults{F_Fixed64: Uint64(72)}},
  	{"uint32", &pb.Defaults{F_Uint32: Uint32(123)}},
  	{"uint64", &pb.Defaults{F_Uint64: Uint64(124)}},
  	{"float", &pb.Defaults{F_Float: Float32(12.6)}},
  	{"double", &pb.Defaults{F_Double: Float64(13.9)}},
  	{"string", &pb.Defaults{F_String: String("niles")}},
  	{"bytes", &pb.Defaults{F_Bytes: []byte("wowsa")}},
  	{"bytes, empty", &pb.Defaults{F_Bytes: []byte{}}},
  	{"sint32", &pb.Defaults{F_Sint32: Int32(65)}},
  	{"sint64", &pb.Defaults{F_Sint64: Int64(67)}},
  	{"enum", &pb.Defaults{F_Enum: pb.Defaults_BLUE.Enum()}},
  	// Repeated.
  	{"empty repeated bool", &pb.MoreRepeated{Bools: []bool{}}},
  	{"repeated bool", &pb.MoreRepeated{Bools: []bool{false, true, true, false}}},
  	{"packed repeated bool", &pb.MoreRepeated{BoolsPacked: []bool{false, true, true, false, true, true, true}}},
  	{"repeated int32", &pb.MoreRepeated{Ints: []int32{1, 12203, 1729, -1}}},
  	{"repeated int32 packed", &pb.MoreRepeated{IntsPacked: []int32{1, 12203, 1729}}},
  	{"repeated int64 packed", &pb.MoreRepeated{Int64SPacked: []int64{
  		// Need enough large numbers to verify that the header is counting the number of bytes
  		// for the field, not the number of elements.
  		1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62,
  		1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62, 1 << 62,
  	}}},
  	{"repeated string", &pb.MoreRepeated{Strings: []string{"r", "ken", "gri"}}},
  	{"repeated fixed", &pb.MoreRepeated{Fixeds: []uint32{1, 2, 3, 4}}},
  	// Nested.
  	{"nested", &pb.OldMessage{Nested: &pb.OldMessage_Nested{Name: String("whatever")}}},
  	{"group", &pb.GroupOld{G: &pb.GroupOld_G{X: Int32(12345)}}},
  	// Other things.
  	{"unrecognized", &pb.MoreRepeated{XXX_unrecognized: []byte{13<<3 | 0, 4}}},
  	{"extension (unencoded)", messageWithExtension1},
  	{"extension (encoded)", messageWithExtension3},
  	// proto3 message
  	{"proto3 empty", &proto3pb.Message{}},
  	{"proto3 bool", &proto3pb.Message{TrueScotsman: true}},
  	{"proto3 int64", &proto3pb.Message{ResultCount: 1}},
  	{"proto3 uint32", &proto3pb.Message{HeightInCm: 123}},
  	{"proto3 float", &proto3pb.Message{Score: 12.6}},
  	{"proto3 string", &proto3pb.Message{Name: "Snezana"}},
  	{"proto3 bytes", &proto3pb.Message{Data: []byte("wowsa")}},
  	{"proto3 bytes, empty", &proto3pb.Message{Data: []byte{}}},
  	{"proto3 enum", &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
  	{"proto3 map field with empty bytes", &proto3pb.MessageWithMap{ByteMapping: map[bool][]byte{false: {}}}},
  
  	{"map field", &pb.MessageWithMap{NameMapping: map[int32]string{1: "Rob", 7: "Andrew"}}},
  	{"map field with message", &pb.MessageWithMap{MsgMapping: map[int64]*pb.FloatingPoint{0x7001: {F: Float64(2.0)}}}},
  	{"map field with bytes", &pb.MessageWithMap{ByteMapping: map[bool][]byte{true: []byte("this time for sure")}}},
  	{"map field with empty bytes", &pb.MessageWithMap{ByteMapping: map[bool][]byte{true: {}}}},
  
  	{"map field with big entry", &pb.MessageWithMap{NameMapping: map[int32]string{8: strings.Repeat("x", 125)}}},
  	{"map field with big key and val", &pb.MessageWithMap{StrToStr: map[string]string{strings.Repeat("x", 70): strings.Repeat("y", 70)}}},
  	{"map field with big numeric key", &pb.MessageWithMap{NameMapping: map[int32]string{0xf00d: "om nom nom"}}},
  
  	{"oneof not set", &pb.Oneof{}},
  	{"oneof bool", &pb.Oneof{Union: &pb.Oneof_F_Bool{F_Bool: true}}},
  	{"oneof zero int32", &pb.Oneof{Union: &pb.Oneof_F_Int32{F_Int32: 0}}},
  	{"oneof big int32", &pb.Oneof{Union: &pb.Oneof_F_Int32{F_Int32: 1 << 20}}},
  	{"oneof int64", &pb.Oneof{Union: &pb.Oneof_F_Int64{F_Int64: 42}}},
  	{"oneof fixed32", &pb.Oneof{Union: &pb.Oneof_F_Fixed32{F_Fixed32: 43}}},
  	{"oneof fixed64", &pb.Oneof{Union: &pb.Oneof_F_Fixed64{F_Fixed64: 44}}},
  	{"oneof uint32", &pb.Oneof{Union: &pb.Oneof_F_Uint32{F_Uint32: 45}}},
  	{"oneof uint64", &pb.Oneof{Union: &pb.Oneof_F_Uint64{F_Uint64: 46}}},
  	{"oneof float", &pb.Oneof{Union: &pb.Oneof_F_Float{F_Float: 47.1}}},
  	{"oneof double", &pb.Oneof{Union: &pb.Oneof_F_Double{F_Double: 48.9}}},
  	{"oneof string", &pb.Oneof{Union: &pb.Oneof_F_String{F_String: "Rhythmic Fman"}}},
  	{"oneof bytes", &pb.Oneof{Union: &pb.Oneof_F_Bytes{F_Bytes: []byte("let go")}}},
  	{"oneof sint32", &pb.Oneof{Union: &pb.Oneof_F_Sint32{F_Sint32: 50}}},
  	{"oneof sint64", &pb.Oneof{Union: &pb.Oneof_F_Sint64{F_Sint64: 51}}},
  	{"oneof enum", &pb.Oneof{Union: &pb.Oneof_F_Enum{F_Enum: pb.MyMessage_BLUE}}},
  	{"message for oneof", &pb.GoTestField{Label: String("k"), Type: String("v")}},
  	{"oneof message", &pb.Oneof{Union: &pb.Oneof_F_Message{F_Message: &pb.GoTestField{Label: String("k"), Type: String("v")}}}},
  	{"oneof group", &pb.Oneof{Union: &pb.Oneof_FGroup{FGroup: &pb.Oneof_F_Group{X: Int32(52)}}}},
  	{"oneof largest tag", &pb.Oneof{Union: &pb.Oneof_F_Largest_Tag{F_Largest_Tag: 1}}},
  	{"multiple oneofs", &pb.Oneof{Union: &pb.Oneof_F_Int32{F_Int32: 1}, Tormato: &pb.Oneof_Value{Value: 2}}},
  }
  
  func TestSize(t *testing.T) {
  	for _, tc := range SizeTests {
  		size := Size(tc.pb)
  		b, err := Marshal(tc.pb)
  		if err != nil {
  			t.Errorf("%v: Marshal failed: %v", tc.desc, err)
  			continue
  		}
  		if size != len(b) {
  			t.Errorf("%v: Size(%v) = %d, want %d", tc.desc, tc.pb, size, len(b))
  			t.Logf("%v: bytes: %#v", tc.desc, b)
  		}
  	}
  }
  