diff options
Diffstat (limited to 'csharp/src/ProtocolBuffers.Test/WireFormatTest.cs')
| -rw-r--r-- | csharp/src/ProtocolBuffers.Test/WireFormatTest.cs | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers.Test/WireFormatTest.cs b/csharp/src/ProtocolBuffers.Test/WireFormatTest.cs new file mode 100644 index 00000000..0c9b8c27 --- /dev/null +++ b/csharp/src/ProtocolBuffers.Test/WireFormatTest.cs @@ -0,0 +1,311 @@ +#region Copyright notice and license
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/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.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// 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.
+
+#endregion
+
+using System.IO;
+using System.Reflection;
+using Google.ProtocolBuffers.Descriptors;
+using Google.ProtocolBuffers.TestProtos;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers
+{
+ public class WireFormatTest
+ {
+ /// <summary>
+ /// Keeps the attributes on FieldType and the switch statement in WireFormat in sync.
+ /// </summary>
+ [Test]
+ public void FieldTypeToWireTypeMapping()
+ {
+ foreach (FieldInfo field in typeof(FieldType).GetFields(BindingFlags.Static | BindingFlags.Public))
+ {
+ FieldType fieldType = (FieldType) field.GetValue(null);
+ FieldMappingAttribute mapping =
+ (FieldMappingAttribute) field.GetCustomAttributes(typeof(FieldMappingAttribute), false)[0];
+ Assert.AreEqual(mapping.WireType, WireFormat.GetWireType(fieldType));
+ }
+ }
+
+ [Test]
+ public void Serialization()
+ {
+ TestAllTypes message = TestUtil.GetAllSet();
+
+ ByteString rawBytes = message.ToByteString();
+ Assert.AreEqual(rawBytes.Length, message.SerializedSize);
+
+ TestAllTypes message2 = TestAllTypes.ParseFrom(rawBytes);
+
+ TestUtil.AssertAllFieldsSet(message2);
+ }
+
+ [Test]
+ public void SerializationPacked()
+ {
+ TestPackedTypes message = TestUtil.GetPackedSet();
+ ByteString rawBytes = message.ToByteString();
+ Assert.AreEqual(rawBytes.Length, message.SerializedSize);
+ TestPackedTypes message2 = TestPackedTypes.ParseFrom(rawBytes);
+ TestUtil.AssertPackedFieldsSet(message2);
+ }
+
+ [Test]
+ public void SerializeExtensions()
+ {
+ // TestAllTypes and TestAllExtensions should have compatible wire formats,
+ // so if we serialize a TestAllExtensions then parse it as TestAllTypes
+ // it should work.
+ TestAllExtensions message = TestUtil.GetAllExtensionsSet();
+ ByteString rawBytes = message.ToByteString();
+ Assert.AreEqual(rawBytes.Length, message.SerializedSize);
+
+ TestAllTypes message2 = TestAllTypes.ParseFrom(rawBytes);
+
+ TestUtil.AssertAllFieldsSet(message2);
+ }
+
+ [Test]
+ public void SerializePackedExtensions()
+ {
+ // TestPackedTypes and TestPackedExtensions should have compatible wire
+ // formats; check that they serialize to the same string.
+ TestPackedExtensions message = TestUtil.GetPackedExtensionsSet();
+ ByteString rawBytes = message.ToByteString();
+
+ TestPackedTypes message2 = TestUtil.GetPackedSet();
+ ByteString rawBytes2 = message2.ToByteString();
+
+ Assert.AreEqual(rawBytes, rawBytes2);
+ }
+
+ [Test]
+ public void SerializeDelimited()
+ {
+ MemoryStream stream = new MemoryStream();
+ TestUtil.GetAllSet().WriteDelimitedTo(stream);
+ stream.WriteByte(12);
+ TestUtil.GetPackedSet().WriteDelimitedTo(stream);
+ stream.WriteByte(34);
+
+ stream.Position = 0;
+
+ TestUtil.AssertAllFieldsSet(TestAllTypes.ParseDelimitedFrom(stream));
+ Assert.AreEqual(12, stream.ReadByte());
+ TestUtil.AssertPackedFieldsSet(TestPackedTypes.ParseDelimitedFrom(stream));
+ Assert.AreEqual(34, stream.ReadByte());
+ Assert.AreEqual(-1, stream.ReadByte());
+ }
+
+ [Test]
+ public void ParseExtensions()
+ {
+ // TestAllTypes and TestAllExtensions should have compatible wire formats,
+ // so if we serealize a TestAllTypes then parse it as TestAllExtensions
+ // it should work.
+
+ TestAllTypes message = TestUtil.GetAllSet();
+ ByteString rawBytes = message.ToByteString();
+
+ ExtensionRegistry registry = ExtensionRegistry.CreateInstance();
+ TestUtil.RegisterAllExtensions(registry);
+ registry = registry.AsReadOnly();
+
+ TestAllExtensions message2 = TestAllExtensions.ParseFrom(rawBytes, registry);
+
+ TestUtil.AssertAllExtensionsSet(message2);
+ }
+
+ [Test]
+ public void ParsePackedExtensions()
+ {
+ // Ensure that packed extensions can be properly parsed.
+ TestPackedExtensions message = TestUtil.GetPackedExtensionsSet();
+ ByteString rawBytes = message.ToByteString();
+
+ ExtensionRegistry registry = TestUtil.CreateExtensionRegistry();
+
+ TestPackedExtensions message2 = TestPackedExtensions.ParseFrom(rawBytes, registry);
+ TestUtil.AssertPackedExtensionsSet(message2);
+ }
+
+ [Test]
+ public void ExtensionsSerializedSize()
+ {
+ Assert.AreEqual(TestUtil.GetAllSet().SerializedSize, TestUtil.GetAllExtensionsSet().SerializedSize);
+ }
+
+ private static void AssertFieldsInOrder(ByteString data)
+ {
+ CodedInputStream input = data.CreateCodedInput();
+ uint previousTag = 0;
+
+ uint tag;
+ string name;
+ while (input.ReadTag(out tag, out name))
+ {
+ Assert.IsTrue(tag > previousTag);
+ previousTag = tag;
+ input.SkipField();
+ }
+ }
+
+ [Test]
+ public void InterleavedFieldsAndExtensions()
+ {
+ // Tests that fields are written in order even when extension ranges
+ // are interleaved with field numbers.
+ ByteString data =
+ TestFieldOrderings.CreateBuilder()
+ .SetMyInt(1)
+ .SetMyString("foo")
+ .SetMyFloat(1.0F)
+ .SetExtension(Unittest.MyExtensionInt, 23)
+ .SetExtension(Unittest.MyExtensionString, "bar")
+ .Build().ToByteString();
+ AssertFieldsInOrder(data);
+
+ MessageDescriptor descriptor = TestFieldOrderings.Descriptor;
+ ByteString dynamic_data =
+ DynamicMessage.CreateBuilder(TestFieldOrderings.Descriptor)
+ .SetField(descriptor.FindDescriptor<FieldDescriptor>("my_int"), 1L)
+ .SetField(descriptor.FindDescriptor<FieldDescriptor>("my_string"), "foo")
+ .SetField(descriptor.FindDescriptor<FieldDescriptor>("my_float"), 1.0F)
+ .SetField(Unittest.MyExtensionInt.Descriptor, 23)
+ .SetField(Unittest.MyExtensionString.Descriptor, "bar")
+ .WeakBuild().ToByteString();
+ AssertFieldsInOrder(dynamic_data);
+ }
+
+ private const int UnknownTypeId = 1550055;
+ private static readonly int TypeId1 = TestMessageSetExtension1.Descriptor.Extensions[0].FieldNumber;
+ private static readonly int TypeId2 = TestMessageSetExtension2.Descriptor.Extensions[0].FieldNumber;
+
+ [Test]
+ public void SerializeMessageSet()
+ {
+ // Set up a TestMessageSet with two known messages and an unknown one.
+ TestMessageSet messageSet =
+ TestMessageSet.CreateBuilder()
+ .SetExtension(
+ TestMessageSetExtension1.MessageSetExtension,
+ TestMessageSetExtension1.CreateBuilder().SetI(123).Build())
+ .SetExtension(
+ TestMessageSetExtension2.MessageSetExtension,
+ TestMessageSetExtension2.CreateBuilder().SetStr("foo").Build())
+ .SetUnknownFields(
+ UnknownFieldSet.CreateBuilder()
+ .AddField(UnknownTypeId,
+ UnknownField.CreateBuilder()
+ .AddLengthDelimited(ByteString.CopyFromUtf8("bar"))
+ .Build())
+ .Build())
+ .Build();
+
+ ByteString data = messageSet.ToByteString();
+
+ // Parse back using RawMessageSet and check the contents.
+ RawMessageSet raw = RawMessageSet.ParseFrom(data);
+
+ Assert.AreEqual(0, raw.UnknownFields.FieldDictionary.Count);
+
+ Assert.AreEqual(3, raw.ItemCount);
+ Assert.AreEqual(TypeId1, raw.ItemList[0].TypeId);
+ Assert.AreEqual(TypeId2, raw.ItemList[1].TypeId);
+ Assert.AreEqual(UnknownTypeId, raw.ItemList[2].TypeId);
+
+ TestMessageSetExtension1 message1 = TestMessageSetExtension1.ParseFrom(raw.GetItem(0).Message.ToByteArray());
+ Assert.AreEqual(123, message1.I);
+
+ TestMessageSetExtension2 message2 = TestMessageSetExtension2.ParseFrom(raw.GetItem(1).Message.ToByteArray());
+ Assert.AreEqual("foo", message2.Str);
+
+ Assert.AreEqual("bar", raw.GetItem(2).Message.ToStringUtf8());
+ }
+
+ [Test]
+ public void ParseMessageSet()
+ {
+ ExtensionRegistry extensionRegistry = ExtensionRegistry.CreateInstance();
+ extensionRegistry.Add(TestMessageSetExtension1.MessageSetExtension);
+ extensionRegistry.Add(TestMessageSetExtension2.MessageSetExtension);
+
+ // Set up a RawMessageSet with two known messages and an unknown one.
+ RawMessageSet raw =
+ RawMessageSet.CreateBuilder()
+ .AddItem(
+ RawMessageSet.Types.Item.CreateBuilder()
+ .SetTypeId(TypeId1)
+ .SetMessage(
+ TestMessageSetExtension1.CreateBuilder()
+ .SetI(123)
+ .Build().ToByteString())
+ .Build())
+ .AddItem(
+ RawMessageSet.Types.Item.CreateBuilder()
+ .SetTypeId(TypeId2)
+ .SetMessage(
+ TestMessageSetExtension2.CreateBuilder()
+ .SetStr("foo")
+ .Build().ToByteString())
+ .Build())
+ .AddItem(
+ RawMessageSet.Types.Item.CreateBuilder()
+ .SetTypeId(UnknownTypeId)
+ .SetMessage(ByteString.CopyFromUtf8("bar"))
+ .Build())
+ .Build();
+
+ ByteString data = raw.ToByteString();
+
+ // Parse as a TestMessageSet and check the contents.
+ TestMessageSet messageSet =
+ TestMessageSet.ParseFrom(data, extensionRegistry);
+
+ Assert.AreEqual(123, messageSet.GetExtension(TestMessageSetExtension1.MessageSetExtension).I);
+ Assert.AreEqual("foo", messageSet.GetExtension(TestMessageSetExtension2.MessageSetExtension).Str);
+
+ // Check for unknown field with type LENGTH_DELIMITED,
+ // number UNKNOWN_TYPE_ID, and contents "bar".
+ UnknownFieldSet unknownFields = messageSet.UnknownFields;
+ Assert.AreEqual(1, unknownFields.FieldDictionary.Count);
+ Assert.IsTrue(unknownFields.HasField(UnknownTypeId));
+
+ UnknownField field = unknownFields[UnknownTypeId];
+ Assert.AreEqual(1, field.LengthDelimitedList.Count);
+ Assert.AreEqual("bar", field.LengthDelimitedList[0].ToStringUtf8());
+ }
+ }
+}
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