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1 #region Copyright notice and license
2 // Protocol Buffers - Google's data interchange format
3 // Copyright 2008 Google Inc.  All rights reserved.
4 // https://developers.google.com/protocol-buffers/
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 //     * 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.
19 //
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
24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #endregion
32 
33 using Google.Protobuf.Reflection;
34 using UnitTest.Issues.TestProtos;
35 using NUnit.Framework;
36 using System.IO;
37 using static UnitTest.Issues.TestProtos.OneofMerging.Types;
38 
39 namespace Google.Protobuf
40 {
41     /// <summary>
42     /// Tests for issues which aren't easily compartmentalized into other unit tests.
43     /// </summary>
44     public class IssuesTest
45     {
46         // Issue 45
47         [Test]
FieldCalledItem()48         public void FieldCalledItem()
49         {
50             ItemField message = new ItemField { Item = 3 };
51             FieldDescriptor field = ItemField.Descriptor.FindFieldByName("item");
52             Assert.NotNull(field);
53             Assert.AreEqual(3, (int)field.Accessor.GetValue(message));
54         }
55 
56         [Test]
ReservedNames()57         public void ReservedNames()
58         {
59             var message = new ReservedNames { Types_ = 10, Descriptor_ = 20 };
60             // Underscores aren't reflected in the JSON.
61             Assert.AreEqual("{ \"types\": 10, \"descriptor\": 20 }", message.ToString());
62         }
63 
64         [Test]
JsonNameParseTest()65         public void JsonNameParseTest()
66         {
67             var settings = new JsonParser.Settings(10, TypeRegistry.FromFiles(UnittestIssuesReflection.Descriptor));
68             var parser = new JsonParser(settings);
69 
70             // It is safe to use either original field name or explicitly specified json_name
71             Assert.AreEqual(new TestJsonName { Name = "test", Description = "test2", Guid = "test3" },
72                 parser.Parse<TestJsonName>("{ \"name\": \"test\", \"desc\": \"test2\", \"guid\": \"test3\" }"));
73         }
74 
75         [Test]
JsonNameFormatTest()76         public void JsonNameFormatTest()
77         {
78             var message = new TestJsonName { Name = "test", Description = "test2", Guid = "test3" };
79             Assert.AreEqual("{ \"name\": \"test\", \"desc\": \"test2\", \"exid\": \"test3\" }",
80                 JsonFormatter.Default.Format(message));
81         }
82 
83         [Test]
OneofMerging()84         public void OneofMerging()
85         {
86             var message1 = new OneofMerging { Nested = new Nested { X = 10 } };
87             var message2 = new OneofMerging { Nested = new Nested { Y = 20 } };
88             var expected = new OneofMerging { Nested = new Nested { X = 10, Y = 20 } };
89 
90             var merged = message1.Clone();
91             merged.MergeFrom(message2);
92             Assert.AreEqual(expected, merged);
93         }
94 
95         // Check that a tag immediately followed by end of limit can still be read.
96         [Test]
CodedInputStream_LimitReachedRightAfterTag()97         public void CodedInputStream_LimitReachedRightAfterTag()
98         {
99             MemoryStream ms = new MemoryStream();
100             var cos = new CodedOutputStream(ms);
101             cos.WriteTag(11, WireFormat.WireType.Varint);
102             Assert.AreEqual(1, cos.Position);
103             cos.WriteString("some extra padding");  // ensure is currentLimit distinct from the end of the buffer.
104             cos.Flush();
105 
106             var cis = new CodedInputStream(ms.ToArray());
107             cis.PushLimit(1);  // make sure we reach the limit right after reading the tag.
108 
109             // we still must read the tag correctly, even though the tag is at the very end of our limited input
110             // (which is a corner case and will most likely result in an error when trying to read value of the field
111             // decribed by this tag, but it would be a logical error not to read the tag that's actually present).
112             // See https://github.com/protocolbuffers/protobuf/pull/7289
113             cis.AssertNextTag(WireFormat.MakeTag(11, WireFormat.WireType.Varint));
114         }
115     }
116 }
117