syncthing/vendor/github.com/gogo/protobuf/test/extension_test.go

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// Protocol Buffers for Go with Gadgets
//
// Copyright (c) 2013, The GoGo Authors. All rights reserved.
// http://github.com/gogo/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.
//
// 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 test
import (
"github.com/gogo/protobuf/proto"
"math"
math_rand "math/rand"
"testing"
"time"
)
//func SetRawExtension(base extendableProto, id int32, b []byte) {
//func HasExtension(pb extendableProto, extension *ExtensionDesc) bool {
//func ClearExtension(pb extendableProto, extension *ExtensionDesc) {
//func GetExtension(pb extendableProto, extension *ExtensionDesc) (interface{}, error) {
//func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, err error) {
//func SetExtension(pb extendableProto, extension *ExtensionDesc, value interface{}) error {
type extendable interface {
proto.Message
ExtensionRangeArray() []proto.ExtensionRange
}
func check(t *testing.T, m extendable, fieldA float64, ext *proto.ExtensionDesc) {
if !proto.HasExtension(m, ext) {
t.Fatalf("expected extension to be set")
}
fieldA2Interface, err := proto.GetExtension(m, ext)
if err != nil {
panic(err)
}
fieldA2 := fieldA2Interface.(*float64)
if fieldA != *fieldA2 {
t.Fatalf("Expected %f got %f", fieldA, *fieldA2)
}
fieldA3Interface, err := proto.GetUnsafeExtension(m, ext.Field)
if err != nil {
panic(err)
}
fieldA3 := fieldA3Interface.(*float64)
if fieldA != *fieldA3 {
t.Fatalf("Expected %f got %f", fieldA, *fieldA3)
}
proto.ClearExtension(m, ext)
if proto.HasExtension(m, ext) {
t.Fatalf("expected extension to be cleared")
}
}
var fieldA float64
var fieldABytes []byte
var extr = math_rand.New(math_rand.NewSource(time.Now().UnixNano()))
func init() {
fieldA = float64(1.1)
fieldABits := math.Float64bits(fieldA)
x := uint64(uint32(100)<<3 | uint32(proto.WireFixed64))
fieldABytes = encodeVarintPopulateThetest(nil, x)
fieldABytes = append(fieldABytes, uint8(fieldABits))
fieldABytes = append(fieldABytes, uint8(fieldABits>>8))
fieldABytes = append(fieldABytes, uint8(fieldABits>>16))
fieldABytes = append(fieldABytes, uint8(fieldABits>>24))
fieldABytes = append(fieldABytes, uint8(fieldABits>>32))
fieldABytes = append(fieldABytes, uint8(fieldABits>>40))
fieldABytes = append(fieldABytes, uint8(fieldABits>>48))
fieldABytes = append(fieldABytes, uint8(fieldABits>>56))
}
func TestExtensionsMyExtendable(t *testing.T) {
m := NewPopulatedMyExtendable(extr, false)
err := proto.SetExtension(m, E_FieldA, &fieldA)
if err != nil {
panic(err)
}
check(t, m, fieldA, E_FieldA)
proto.SetRawExtension(m, 100, fieldABytes)
check(t, m, fieldA, E_FieldA)
}
func TestExtensionsNoExtensionsMapSetExtension(t *testing.T) {
m := NewPopulatedNoExtensionsMap(extr, false)
err := proto.SetExtension(m, E_FieldA1, &fieldA)
if err != nil {
panic(err)
}
check(t, m, fieldA, E_FieldA1)
}
func TestExtensionsNoExtensionsMapSetRawExtension(t *testing.T) {
m := NewPopulatedNoExtensionsMap(extr, false)
proto.SetRawExtension(m, 100, fieldABytes)
check(t, m, fieldA, E_FieldA1)
}
func TestUnsafeExtension(t *testing.T) {
m := NewPopulatedMyExtendable(extr, false)
err := proto.SetUnsafeExtension(m, E_FieldA.Field, &fieldA)
if err != nil {
panic(err)
}
check(t, m, fieldA, E_FieldA)
}
//See another version of this test in proto/extensions_test.go
func TestGetExtensionStability(t *testing.T) {
check := func(m *NoExtensionsMap) bool {
ext1, err := proto.GetExtension(m, E_FieldB1)
if err != nil {
t.Fatalf("GetExtension() failed: %s", err)
}
ext2, err := proto.GetExtension(m, E_FieldB1)
if err != nil {
t.Fatalf("GetExtension() failed: %s", err)
}
return ext1.(*NinOptNative).Equal(ext2)
}
msg := &NoExtensionsMap{Field1: proto.Int64(2)}
ext0 := &NinOptNative{Field1: proto.Float64(1)}
if err := proto.SetExtension(msg, E_FieldB1, 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 := &NoExtensionsMap{}
err = proto.Unmarshal(bb, msg1)
if err != nil {
t.Fatalf("Unmarshal() failed: %s", err)
}
if !check(msg1) {
t.Errorf("GetExtension() not stable after unmarshaling")
}
}