mirror of
https://github.com/genuinetools/reg.git
synced 2024-08-21 22:30:22 -04:00
119 lines
4 KiB
Go
119 lines
4 KiB
Go
![]() |
// 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 compare
|
||
|
|
||
|
import (
|
||
|
"github.com/gogo/protobuf/gogoproto"
|
||
|
"github.com/gogo/protobuf/plugin/testgen"
|
||
|
"github.com/gogo/protobuf/protoc-gen-gogo/generator"
|
||
|
)
|
||
|
|
||
|
type test struct {
|
||
|
*generator.Generator
|
||
|
}
|
||
|
|
||
|
func NewTest(g *generator.Generator) testgen.TestPlugin {
|
||
|
return &test{g}
|
||
|
}
|
||
|
|
||
|
func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
|
||
|
used := false
|
||
|
randPkg := imports.NewImport("math/rand")
|
||
|
timePkg := imports.NewImport("time")
|
||
|
testingPkg := imports.NewImport("testing")
|
||
|
protoPkg := imports.NewImport("github.com/gogo/protobuf/proto")
|
||
|
unsafePkg := imports.NewImport("unsafe")
|
||
|
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
|
||
|
protoPkg = imports.NewImport("github.com/golang/protobuf/proto")
|
||
|
}
|
||
|
for _, message := range file.Messages() {
|
||
|
ccTypeName := generator.CamelCaseSlice(message.TypeName())
|
||
|
if !gogoproto.HasCompare(file.FileDescriptorProto, message.DescriptorProto) {
|
||
|
continue
|
||
|
}
|
||
|
if message.DescriptorProto.GetOptions().GetMapEntry() {
|
||
|
continue
|
||
|
}
|
||
|
|
||
|
if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
|
||
|
used = true
|
||
|
hasUnsafe := gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) ||
|
||
|
gogoproto.IsUnsafeUnmarshaler(file.FileDescriptorProto, message.DescriptorProto)
|
||
|
p.P(`func Test`, ccTypeName, `Compare(t *`, testingPkg.Use(), `.T) {`)
|
||
|
p.In()
|
||
|
if hasUnsafe {
|
||
|
p.P(`var bigendian uint32 = 0x01020304`)
|
||
|
p.P(`if *(*byte)(`, unsafePkg.Use(), `.Pointer(&bigendian)) == 1 {`)
|
||
|
p.In()
|
||
|
p.P(`t.Skip("unsafe does not work on big endian architectures")`)
|
||
|
p.Out()
|
||
|
p.P(`}`)
|
||
|
}
|
||
|
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`)
|
||
|
p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
|
||
|
p.P(`dAtA, err := `, protoPkg.Use(), `.Marshal(p)`)
|
||
|
p.P(`if err != nil {`)
|
||
|
p.In()
|
||
|
p.P(`panic(err)`)
|
||
|
p.Out()
|
||
|
p.P(`}`)
|
||
|
p.P(`msg := &`, ccTypeName, `{}`)
|
||
|
p.P(`if err := `, protoPkg.Use(), `.Unmarshal(dAtA, msg); err != nil {`)
|
||
|
p.In()
|
||
|
p.P(`panic(err)`)
|
||
|
p.Out()
|
||
|
p.P(`}`)
|
||
|
p.P(`if c := p.Compare(msg); c != 0 {`)
|
||
|
p.In()
|
||
|
p.P(`t.Fatalf("%#v !Compare %#v, since %d", msg, p, c)`)
|
||
|
p.Out()
|
||
|
p.P(`}`)
|
||
|
p.P(`p2 := NewPopulated`, ccTypeName, `(popr, false)`)
|
||
|
p.P(`c := p.Compare(p2)`)
|
||
|
p.P(`c2 := p2.Compare(p)`)
|
||
|
p.P(`if c != (-1 * c2) {`)
|
||
|
p.In()
|
||
|
p.P(`t.Errorf("p.Compare(p2) = %d", c)`)
|
||
|
p.P(`t.Errorf("p2.Compare(p) = %d", c2)`)
|
||
|
p.P(`t.Errorf("p = %#v", p)`)
|
||
|
p.P(`t.Errorf("p2 = %#v", p2)`)
|
||
|
p.Out()
|
||
|
p.P(`}`)
|
||
|
p.Out()
|
||
|
p.P(`}`)
|
||
|
}
|
||
|
|
||
|
}
|
||
|
return used
|
||
|
}
|
||
|
|
||
|
func init() {
|
||
|
testgen.RegisterTestPlugin(NewTest)
|
||
|
}
|