1 // Protocol Buffers for Go with Gadgets 2 // 3 // Copyright (c) 2015, The GoGo Authors. All rights reserved. 4 // http://github.com/gogo/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 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 package issue42 30 31 import ( 32 "bytes" 33 "github.com/gogo/protobuf/proto" 34 math_rand "math/rand" 35 "testing" 36 time "time" 37 ) 38 39 func TestIssue42Order(t *testing.T) { 40 unordered := NewPopulatedUnorderedFields(math_rand.New(math_rand.NewSource(time.Now().UnixNano())), false) 41 udata, err := proto.Marshal(unordered) 42 if err != nil { 43 t.Fatal(err) 44 } 45 ordered := &OrderedFields{} 46 if err = proto.Unmarshal(udata, ordered); err != nil { 47 t.Fatal(err) 48 } 49 data, err := proto.Marshal(ordered) 50 if err != nil { 51 t.Fatal(err) 52 } 53 if !bytes.Equal(udata, data) { 54 t.Fatalf("expected data to be marshaled in the same order, please sort fields before marshaling") 55 } 56 } 57