| // Protocol Buffers for Go with Gadgets |
| // |
| // Copyright (c) 2015, 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 issue34 |
| |
| import ( |
| "bytes" |
| "github.com/gogo/protobuf/proto" |
| "testing" |
| ) |
| |
| func TestZeroLengthOptionalBytes(t *testing.T) { |
| roundtrip := func(f *Foo) *Foo { |
| data, err := proto.Marshal(f) |
| if err != nil { |
| panic(err) |
| } |
| newF := &Foo{} |
| err = proto.Unmarshal(data, newF) |
| if err != nil { |
| panic(err) |
| } |
| return newF |
| } |
| |
| f := &Foo{} |
| roundtrippedF := roundtrip(f) |
| if roundtrippedF.Bar != nil { |
| t.Fatalf("should be nil") |
| } |
| |
| f.Bar = []byte{} |
| roundtrippedF = roundtrip(f) |
| if roundtrippedF.Bar == nil { |
| t.Fatalf("should not be nil") |
| } |
| if len(roundtrippedF.Bar) != 0 { |
| t.Fatalf("should be empty") |
| } |
| } |
| |
| func TestRepeatedOptional(t *testing.T) { |
| repeated := &FooWithRepeated{Bar: [][]byte{[]byte("a"), []byte("b")}} |
| data, err := proto.Marshal(repeated) |
| if err != nil { |
| panic(err) |
| } |
| optional := &Foo{} |
| err = proto.Unmarshal(data, optional) |
| if err != nil { |
| panic(err) |
| } |
| |
| if !bytes.Equal(optional.Bar, []byte("b")) { |
| t.Fatalf("should return the last entry") |
| } |
| } |