1 // Go support for Protocol Buffers - Google's data interchange format
3 // Copyright 2011 The Go Authors. All rights reserved.
4 // https://github.com/golang/protobuf
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7 // modification, are permitted provided that the following conditions are
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
16 // * Neither the name of Google Inc. nor the names of its
17 // contributors may be used to endorse or promote products derived from
18 // this software without specific prior written permission.
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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37 . "github.com/golang/protobuf/proto"
38 proto3pb "github.com/golang/protobuf/proto/proto3_proto"
39 pb "github.com/golang/protobuf/proto/testdata"
42 // Four identical base messages.
43 // The init function adds extensions to some of them.
44 var messageWithoutExtension = &pb.MyMessage{Count: Int32(7)}
45 var messageWithExtension1a = &pb.MyMessage{Count: Int32(7)}
46 var messageWithExtension1b = &pb.MyMessage{Count: Int32(7)}
47 var messageWithExtension2 = &pb.MyMessage{Count: Int32(7)}
49 // Two messages with non-message extensions.
50 var messageWithInt32Extension1 = &pb.MyMessage{Count: Int32(8)}
51 var messageWithInt32Extension2 = &pb.MyMessage{Count: Int32(8)}
54 ext1 := &pb.Ext{Data: String("Kirk")}
55 ext2 := &pb.Ext{Data: String("Picard")}
57 // messageWithExtension1a has ext1, but never marshals it.
58 if err := SetExtension(messageWithExtension1a, pb.E_Ext_More, ext1); err != nil {
59 panic("SetExtension on 1a failed: " + err.Error())
62 // messageWithExtension1b is the unmarshaled form of messageWithExtension1a.
63 if err := SetExtension(messageWithExtension1b, pb.E_Ext_More, ext1); err != nil {
64 panic("SetExtension on 1b failed: " + err.Error())
66 buf, err := Marshal(messageWithExtension1b)
68 panic("Marshal of 1b failed: " + err.Error())
70 messageWithExtension1b.Reset()
71 if err := Unmarshal(buf, messageWithExtension1b); err != nil {
72 panic("Unmarshal of 1b failed: " + err.Error())
75 // messageWithExtension2 has ext2.
76 if err := SetExtension(messageWithExtension2, pb.E_Ext_More, ext2); err != nil {
77 panic("SetExtension on 2 failed: " + err.Error())
80 if err := SetExtension(messageWithInt32Extension1, pb.E_Ext_Number, Int32(23)); err != nil {
81 panic("SetExtension on Int32-1 failed: " + err.Error())
83 if err := SetExtension(messageWithInt32Extension1, pb.E_Ext_Number, Int32(24)); err != nil {
84 panic("SetExtension on Int32-2 failed: " + err.Error())
88 var EqualTests = []struct {
93 {"different types", &pb.GoEnum{}, &pb.GoTestField{}, false},
94 {"equal empty", &pb.GoEnum{}, &pb.GoEnum{}, true},
95 {"nil vs nil", nil, nil, true},
96 {"typed nil vs typed nil", (*pb.GoEnum)(nil), (*pb.GoEnum)(nil), true},
97 {"typed nil vs empty", (*pb.GoEnum)(nil), &pb.GoEnum{}, false},
98 {"different typed nil", (*pb.GoEnum)(nil), (*pb.GoTestField)(nil), false},
100 {"one set field, one unset field", &pb.GoTestField{Label: String("foo")}, &pb.GoTestField{}, false},
101 {"one set field zero, one unset field", &pb.GoTest{Param: Int32(0)}, &pb.GoTest{}, false},
102 {"different set fields", &pb.GoTestField{Label: String("foo")}, &pb.GoTestField{Label: String("bar")}, false},
103 {"equal set", &pb.GoTestField{Label: String("foo")}, &pb.GoTestField{Label: String("foo")}, true},
105 {"repeated, one set", &pb.GoTest{F_Int32Repeated: []int32{2, 3}}, &pb.GoTest{}, false},
106 {"repeated, different length", &pb.GoTest{F_Int32Repeated: []int32{2, 3}}, &pb.GoTest{F_Int32Repeated: []int32{2}}, false},
107 {"repeated, different value", &pb.GoTest{F_Int32Repeated: []int32{2}}, &pb.GoTest{F_Int32Repeated: []int32{3}}, false},
108 {"repeated, equal", &pb.GoTest{F_Int32Repeated: []int32{2, 4}}, &pb.GoTest{F_Int32Repeated: []int32{2, 4}}, true},
109 {"repeated, nil equal nil", &pb.GoTest{F_Int32Repeated: nil}, &pb.GoTest{F_Int32Repeated: nil}, true},
110 {"repeated, nil equal empty", &pb.GoTest{F_Int32Repeated: nil}, &pb.GoTest{F_Int32Repeated: []int32{}}, true},
111 {"repeated, empty equal nil", &pb.GoTest{F_Int32Repeated: []int32{}}, &pb.GoTest{F_Int32Repeated: nil}, true},
115 &pb.GoTest{RequiredField: &pb.GoTestField{Label: String("foo")}},
116 &pb.GoTest{RequiredField: &pb.GoTestField{Label: String("bar")}},
121 &pb.GoTest{RequiredField: &pb.GoTestField{Label: String("wow")}},
122 &pb.GoTest{RequiredField: &pb.GoTestField{Label: String("wow")}},
126 {"bytes", &pb.OtherMessage{Value: []byte("foo")}, &pb.OtherMessage{Value: []byte("foo")}, true},
127 {"bytes, empty", &pb.OtherMessage{Value: []byte{}}, &pb.OtherMessage{Value: []byte{}}, true},
128 {"bytes, empty vs nil", &pb.OtherMessage{Value: []byte{}}, &pb.OtherMessage{Value: nil}, false},
131 &pb.MyMessage{RepBytes: [][]byte{[]byte("sham"), []byte("wow")}},
132 &pb.MyMessage{RepBytes: [][]byte{[]byte("sham"), []byte("wow")}},
135 // In proto3, []byte{} and []byte(nil) are equal.
136 {"proto3 bytes, empty vs nil", &proto3pb.Message{Data: []byte{}}, &proto3pb.Message{Data: nil}, true},
138 {"extension vs. no extension", messageWithoutExtension, messageWithExtension1a, false},
139 {"extension vs. same extension", messageWithExtension1a, messageWithExtension1b, true},
140 {"extension vs. different extension", messageWithExtension1a, messageWithExtension2, false},
142 {"int32 extension vs. itself", messageWithInt32Extension1, messageWithInt32Extension1, true},
143 {"int32 extension vs. a different int32", messageWithInt32Extension1, messageWithInt32Extension2, false},
146 "message with group",
149 Somegroup: &pb.MyMessage_SomeGroup{
150 GroupField: Int32(5),
155 Somegroup: &pb.MyMessage_SomeGroup{
156 GroupField: Int32(5),
164 &pb.MessageWithMap{NameMapping: map[int32]string{1: "Ken"}},
165 &pb.MessageWithMap{NameMapping: map[int32]string{1: "Ken"}},
169 "map different entry",
170 &pb.MessageWithMap{NameMapping: map[int32]string{1: "Ken"}},
171 &pb.MessageWithMap{NameMapping: map[int32]string{2: "Rob"}},
175 "map different key only",
176 &pb.MessageWithMap{NameMapping: map[int32]string{1: "Ken"}},
177 &pb.MessageWithMap{NameMapping: map[int32]string{2: "Ken"}},
181 "map different value only",
182 &pb.MessageWithMap{NameMapping: map[int32]string{1: "Ken"}},
183 &pb.MessageWithMap{NameMapping: map[int32]string{1: "Rob"}},
187 "zero-length maps same",
188 &pb.MessageWithMap{NameMapping: map[int32]string{}},
189 &pb.MessageWithMap{NameMapping: nil},
193 "orders in map don't matter",
194 &pb.MessageWithMap{NameMapping: map[int32]string{1: "Ken", 2: "Rob"}},
195 &pb.MessageWithMap{NameMapping: map[int32]string{2: "Rob", 1: "Ken"}},
200 &pb.Communique{Union: &pb.Communique_Number{41}},
201 &pb.Communique{Union: &pb.Communique_Number{41}},
206 &pb.Communique{Union: &pb.Communique_Number{41}},
212 &pb.Communique{Union: &pb.Communique_Number{41}},
213 &pb.Communique{Union: &pb.Communique_Name{"Bobby Tables"}},
218 func TestEqual(t *testing.T) {
219 for _, tc := range EqualTests {
220 if res := Equal(tc.a, tc.b); res != tc.exp {
221 t.Errorf("%v: Equal(%v, %v) = %v, want %v", tc.desc, tc.a, tc.b, res, tc.exp)