csharp/src/ProtocolBuffers.Test/AbstractMessageTest.cs - platform/external/protobuf-javalite - Gitiles

 #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;
 using System.Collections.Generic;
 using System.IO;
 using Google.ProtocolBuffers.Descriptors;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Google.ProtocolBuffers.TestProtos;

 namespace Google.ProtocolBuffers
 {
     [TestClass]
     public class AbstractMessageTest
     {
         [TestMethod]
         public void Clear()
         {
             AbstractMessageWrapper message =
                 new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder(TestUtil.GetAllSet())).Clear().Build();
             TestUtil.AssertClear((TestAllTypes) message.WrappedMessage);
         }

         [TestMethod]
         public void Copy()
         {
             AbstractMessageWrapper message =
                 new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder()).MergeFrom(TestUtil.GetAllSet()).Build();
             TestUtil.AssertAllFieldsSet((TestAllTypes) message.WrappedMessage);
         }

         [TestMethod]
         public void CreateAndBuild()
         {
             TestAllTypes.CreateBuilder()
                 .Build();
         }

         [TestMethod]
         public void SerializedSize()
         {
             TestAllTypes message = TestUtil.GetAllSet();
             IMessage abstractMessage = new AbstractMessageWrapper(TestUtil.GetAllSet());

             Assert.AreEqual(message.SerializedSize, abstractMessage.SerializedSize);
         }

         [TestMethod]
         public void Serialization()
         {
             IMessage abstractMessage = new AbstractMessageWrapper(TestUtil.GetAllSet());
             TestUtil.AssertAllFieldsSet(TestAllTypes.ParseFrom(abstractMessage.ToByteString()));
             Assert.AreEqual(TestUtil.GetAllSet().ToByteString(), abstractMessage.ToByteString());
         }

         [TestMethod]
         public void Parsing()
         {
             IBuilder builder = new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder());
             AbstractMessageWrapper message =
                 (AbstractMessageWrapper) builder.WeakMergeFrom(TestUtil.GetAllSet().ToByteString()).WeakBuild();
             TestUtil.AssertAllFieldsSet((TestAllTypes) message.WrappedMessage);
         }

         [TestMethod]
         public void PackedSerialization()
         {
             IMessage abstractMessage = new AbstractMessageWrapper(TestUtil.GetPackedSet());
             TestUtil.AssertPackedFieldsSet(TestPackedTypes.ParseFrom(abstractMessage.ToByteString()));
             Assert.AreEqual(TestUtil.GetPackedSet().ToByteString(), abstractMessage.ToByteString());
         }

         [TestMethod]
         public void PackedParsing()
         {
             AbstractMessageWrapper.Builder builder = new AbstractMessageWrapper.Builder(TestPackedTypes.CreateBuilder());
             AbstractMessageWrapper message = builder.MergeFrom(TestUtil.GetPackedSet().ToByteString()).Build();
             TestUtil.AssertPackedFieldsSet((TestPackedTypes)message.WrappedMessage);
         }

         [TestMethod]
         public void UnpackedParsingOfPackedInput()
         {
             byte[] bytes = TestUtil.GetPackedSet().ToByteArray();
             TestUnpackedTypes message = TestUnpackedTypes.ParseFrom(bytes);
             TestUtil.AssertUnpackedFieldsSet(message);
         }

         [TestMethod]
         public void PackedParsingOfUnpackedInput()
         {
             byte[] bytes = TestUnpackedTypes.ParseFrom(TestUtil.GetPackedSet().ToByteArray()).ToByteArray();
             TestPackedTypes message = TestPackedTypes.ParseFrom(bytes);
             TestUtil.AssertPackedFieldsSet(message);
         }

         [TestMethod]
         public void UnpackedParsingOfPackedInputExtensions()
         {
             byte[] bytes = TestUtil.GetPackedSet().ToByteArray();
             ExtensionRegistry registry = ExtensionRegistry.CreateInstance();
             Unittest.RegisterAllExtensions(registry);
             UnittestImport.RegisterAllExtensions(registry);
             TestUnpackedExtensions message = TestUnpackedExtensions.ParseFrom(bytes, registry);
             TestUtil.AssertUnpackedExtensionsSet(message);
         }

         [TestMethod]
         public void PackedParsingOfUnpackedInputExtensions()
         {
             byte[] bytes = TestUnpackedTypes.ParseFrom(TestUtil.GetPackedSet().ToByteArray()).ToByteArray();
             ExtensionRegistry registry = ExtensionRegistry.CreateInstance();
             Unittest.RegisterAllExtensions(registry);
             TestPackedExtensions message = TestPackedExtensions.ParseFrom(bytes, registry);
             TestUtil.AssertPackedExtensionsSet(message);
         }

         [TestMethod]
         public void OptimizedForSize()
         {
             // We're mostly only Checking that this class was compiled successfully.
             TestOptimizedForSize message = TestOptimizedForSize.CreateBuilder().SetI(1).Build();
             message = TestOptimizedForSize.ParseFrom(message.ToByteString());
             Assert.AreEqual(2, message.SerializedSize);
         }

         // -----------------------------------------------------------------
         // Tests for isInitialized().

         private static readonly TestRequired TestRequiredUninitialized = TestRequired.DefaultInstance;

         private static readonly TestRequired TestRequiredInitialized =
             TestRequired.CreateBuilder().SetA(1).SetB(2).SetC(3).Build();

         [TestMethod]
         public void IsInitialized()
         {
             TestRequired.Builder builder = TestRequired.CreateBuilder();
             AbstractMessageWrapper.Builder abstractBuilder = new AbstractMessageWrapper.Builder(builder);

             Assert.IsFalse(abstractBuilder.IsInitialized);
             builder.A = 1;
             Assert.IsFalse(abstractBuilder.IsInitialized);
             builder.B = 1;
             Assert.IsFalse(abstractBuilder.IsInitialized);
             builder.C = 1;
             Assert.IsTrue(abstractBuilder.IsInitialized);
         }

         [TestMethod]
         public void ForeignIsInitialized()
         {
             TestRequiredForeign.Builder builder = TestRequiredForeign.CreateBuilder();
             AbstractMessageWrapper.Builder abstractBuilder = new AbstractMessageWrapper.Builder(builder);

             Assert.IsTrue(abstractBuilder.IsInitialized);

             builder.SetOptionalMessage(TestRequiredUninitialized);
             Assert.IsFalse(abstractBuilder.IsInitialized);

             builder.SetOptionalMessage(TestRequiredInitialized);
             Assert.IsTrue(abstractBuilder.IsInitialized);

             builder.AddRepeatedMessage(TestRequiredUninitialized);
             Assert.IsFalse(abstractBuilder.IsInitialized);

             builder.SetRepeatedMessage(0, TestRequiredInitialized);
             Assert.IsTrue(abstractBuilder.IsInitialized);
         }

         // -----------------------------------------------------------------
         // Tests for mergeFrom

         private static readonly TestAllTypes MergeSource = TestAllTypes.CreateBuilder()
             .SetOptionalInt32(1)
             .SetOptionalString("foo")
             .SetOptionalForeignMessage(ForeignMessage.DefaultInstance)
             .AddRepeatedString("bar")
             .Build();

         private static readonly TestAllTypes MergeDest = TestAllTypes.CreateBuilder()
             .SetOptionalInt64(2)
             .SetOptionalString("baz")
             .SetOptionalForeignMessage(ForeignMessage.CreateBuilder().SetC(3).Build())
             .AddRepeatedString("qux")
             .Build();

         private const string MergeResultText = "optional_int32: 1\n" +
                                                "optional_int64: 2\n" +
                                                "optional_string: \"foo\"\n" +
                                                "optional_foreign_message {\n" +
                                                "  c: 3\n" +
                                                "}\n" +
                                                "repeated_string: \"qux\"\n" +
                                                "repeated_string: \"bar\"\n";

         [TestMethod]
         public void MergeFrom()
         {
             AbstractMessageWrapper result = (AbstractMessageWrapper)
                                             new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder(MergeDest))
                                                 .MergeFrom(MergeSource)
                                                 .Build();

             Assert.AreEqual(MergeResultText, result.ToString());
         }

         // -----------------------------------------------------------------
         // Tests for equals and hashCode

         [TestMethod]
         public void EqualsAndHashCode()
         {
             TestAllTypes a = TestUtil.GetAllSet();
             TestAllTypes b = TestAllTypes.CreateBuilder().Build();
             TestAllTypes c = TestAllTypes.CreateBuilder(b).AddRepeatedString("x").Build();
             TestAllTypes d = TestAllTypes.CreateBuilder(c).AddRepeatedString("y").Build();
             TestAllExtensions e = TestUtil.GetAllExtensionsSet();
             TestAllExtensions f = TestAllExtensions.CreateBuilder(e)
                 .AddExtension(Unittest.RepeatedInt32Extension, 999).Build();

             CheckEqualsIsConsistent(a);
             CheckEqualsIsConsistent(b);
             CheckEqualsIsConsistent(c);
             CheckEqualsIsConsistent(d);
             CheckEqualsIsConsistent(e);
             CheckEqualsIsConsistent(f);

             CheckNotEqual(a, b);
             CheckNotEqual(a, c);
             CheckNotEqual(a, d);
             CheckNotEqual(a, e);
             CheckNotEqual(a, f);

             CheckNotEqual(b, c);
             CheckNotEqual(b, d);
             CheckNotEqual(b, e);
             CheckNotEqual(b, f);

             CheckNotEqual(c, d);
             CheckNotEqual(c, e);
             CheckNotEqual(c, f);

             CheckNotEqual(d, e);
             CheckNotEqual(d, f);

             CheckNotEqual(e, f);

             // Deserializing into the TestEmptyMessage such that every field is an UnknownFieldSet.Field
             TestEmptyMessage eUnknownFields = TestEmptyMessage.ParseFrom(e.ToByteArray());
             TestEmptyMessage fUnknownFields = TestEmptyMessage.ParseFrom(f.ToByteArray());
             CheckNotEqual(eUnknownFields, fUnknownFields);
             CheckEqualsIsConsistent(eUnknownFields);
             CheckEqualsIsConsistent(fUnknownFields);

             // Subseqent reconstitutions should be identical
             TestEmptyMessage eUnknownFields2 = TestEmptyMessage.ParseFrom(e.ToByteArray());
             CheckEqualsIsConsistent(eUnknownFields, eUnknownFields2);
         }

         /// <summary>
         /// Asserts that the given protos are equal and have the same hash code.
         /// </summary>
         private static void CheckEqualsIsConsistent(IMessage message)
         {
             // Object should be equal to itself.
             Assert.AreEqual(message, message);

             // Object should be equal to a dynamic copy of itself.
             DynamicMessage dynamic = DynamicMessage.CreateBuilder(message).Build();
             CheckEqualsIsConsistent(message, dynamic);
         }

         /// <summary>
         /// Asserts that the given protos are equal and have the same hash code.
         /// </summary>
         private static void CheckEqualsIsConsistent(IMessage message1, IMessage message2)
         {
             Assert.AreEqual(message1, message2);
             Assert.AreEqual(message2, message1);
             Assert.AreEqual(message2.GetHashCode(), message1.GetHashCode());
         }

         /// <summary>
         /// Asserts that the given protos are not equal and have different hash codes.
         /// </summary>
         /// <remarks>
         /// It's valid for non-equal objects to have the same hash code, so
         /// this test is stricter than it needs to be. However, this should happen
         /// relatively rarely. (If this test fails, it's probably still due to a bug.)
         /// </remarks>
         private static void CheckNotEqual(IMessage m1, IMessage m2)
         {
             String equalsError = string.Format("{0} should not be equal to {1}", m1, m2);
             Assert.IsFalse(m1.Equals(m2), equalsError);
             Assert.IsFalse(m2.Equals(m1), equalsError);

             Assert.IsFalse(m1.GetHashCode() == m2.GetHashCode(),
                            string.Format("{0} should have a different hash code from {1}", m1, m2));
         }

         /// <summary>
         /// Extends AbstractMessage and wraps some other message object.  The methods
         /// of the Message interface which aren't explicitly implemented by
         /// AbstractMessage are forwarded to the wrapped object.  This allows us to
         /// test that AbstractMessage's implementations work even if the wrapped
         /// object does not use them.
         /// </summary>
         private class AbstractMessageWrapper : AbstractMessage<AbstractMessageWrapper, AbstractMessageWrapper.Builder>
         {
             private readonly IMessage wrappedMessage;

             public IMessage WrappedMessage
             {
                 get { return wrappedMessage; }
             }

             public AbstractMessageWrapper(IMessage wrappedMessage)
             {
                 this.wrappedMessage = wrappedMessage;
             }

             public override MessageDescriptor DescriptorForType
             {
                 get { return wrappedMessage.DescriptorForType; }
             }

             public override AbstractMessageWrapper DefaultInstanceForType
             {
                 get { return new AbstractMessageWrapper(wrappedMessage.WeakDefaultInstanceForType); }
             }

             public override IDictionary<FieldDescriptor, object> AllFields
             {
                 get { return wrappedMessage.AllFields; }
             }

             public override bool HasField(FieldDescriptor field)
             {
                 return wrappedMessage.HasField(field);
             }

             public override object this[FieldDescriptor field]
             {
                 get { return wrappedMessage[field]; }
             }

             public override object this[FieldDescriptor field, int index]
             {
                 get { return wrappedMessage[field, index]; }
             }

             public override int GetRepeatedFieldCount(FieldDescriptor field)
             {
                 return wrappedMessage.GetRepeatedFieldCount(field);
             }

             public override UnknownFieldSet UnknownFields
             {
                 get { return wrappedMessage.UnknownFields; }
             }

             public override Builder CreateBuilderForType()
             {
                 return new Builder(wrappedMessage.WeakCreateBuilderForType());
             }

             public override Builder ToBuilder()
             {
                 return new Builder(wrappedMessage.WeakToBuilder());
             }

             internal class Builder : AbstractBuilder<AbstractMessageWrapper, Builder>
             {
                 private readonly IBuilder wrappedBuilder;

                 protected override Builder ThisBuilder
                 {
                     get { return this; }
                 }

                 internal Builder(IBuilder wrappedBuilder)
                 {
                     this.wrappedBuilder = wrappedBuilder;
                 }

                 public override Builder MergeFrom(AbstractMessageWrapper other)
                 {
                     wrappedBuilder.WeakMergeFrom(other.wrappedMessage);
                     return this;
                 }

                 public override bool IsInitialized
                 {
                     get { return wrappedBuilder.IsInitialized; }
                 }

                 public override IDictionary<FieldDescriptor, object> AllFields
                 {
                     get { return wrappedBuilder.AllFields; }
                 }

                 public override object this[FieldDescriptor field]
                 {
                     get { return wrappedBuilder[field]; }
                     set { wrappedBuilder[field] = value; }
                 }

                 public override MessageDescriptor DescriptorForType
                 {
                     get { return wrappedBuilder.DescriptorForType; }
                 }

                 public override int GetRepeatedFieldCount(FieldDescriptor field)
                 {
                     return wrappedBuilder.GetRepeatedFieldCount(field);
                 }

                 public override object this[FieldDescriptor field, int index]
                 {
                     get { return wrappedBuilder[field, index]; }
                     set { wrappedBuilder[field, index] = value; }
                 }

                 public override bool HasField(FieldDescriptor field)
                 {
                     return wrappedBuilder.HasField(field);
                 }

                 public override UnknownFieldSet UnknownFields
                 {
                     get { return wrappedBuilder.UnknownFields; }
                     set { wrappedBuilder.UnknownFields = value; }
                 }

                 public override AbstractMessageWrapper Build()
                 {
                     return new AbstractMessageWrapper(wrappedBuilder.WeakBuild());
                 }

                 public override AbstractMessageWrapper BuildPartial()
                 {
                     return new AbstractMessageWrapper(wrappedBuilder.WeakBuildPartial());
                 }

                 public override Builder Clone()
                 {
                     return new Builder(wrappedBuilder.WeakClone());
                 }

                 public override AbstractMessageWrapper DefaultInstanceForType
                 {
                     get { return new AbstractMessageWrapper(wrappedBuilder.WeakDefaultInstanceForType); }
                 }

                 public override Builder ClearField(FieldDescriptor field)
                 {
                     wrappedBuilder.WeakClearField(field);
                     return this;
                 }

                 public override Builder AddRepeatedField(FieldDescriptor field, object value)
                 {
                     wrappedBuilder.WeakAddRepeatedField(field, value);
                     return this;
                 }

                 public override IBuilder CreateBuilderForField(FieldDescriptor field)
                 {
                     wrappedBuilder.CreateBuilderForField(field);
                     return this;
                 }

                 public override Builder MergeFrom(IMessage other)
                 {
                     wrappedBuilder.WeakMergeFrom(other);
                     return this;
                 }

                 public override Builder MergeFrom(ICodedInputStream input, ExtensionRegistry extensionRegistry)
                 {
                     wrappedBuilder.WeakMergeFrom(input, extensionRegistry);
                     return this;
                 }
             }
         }
     }
 }
	#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;
	using System.Collections.Generic;
	using System.IO;
	using Google.ProtocolBuffers.Descriptors;
	using Microsoft.VisualStudio.TestTools.UnitTesting;
	using Google.ProtocolBuffers.TestProtos;

	namespace Google.ProtocolBuffers
	{
	[TestClass]
	public class AbstractMessageTest
	{
	[TestMethod]
	public void Clear()
	{
	AbstractMessageWrapper message =
	new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder(TestUtil.GetAllSet())).Clear().Build();
	TestUtil.AssertClear((TestAllTypes) message.WrappedMessage);
	}

	[TestMethod]
	public void Copy()
	{
	AbstractMessageWrapper message =
	new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder()).MergeFrom(TestUtil.GetAllSet()).Build();
	TestUtil.AssertAllFieldsSet((TestAllTypes) message.WrappedMessage);
	}

	[TestMethod]
	public void CreateAndBuild()
	{
	TestAllTypes.CreateBuilder()
	.Build();
	}

	[TestMethod]
	public void SerializedSize()
	{
	TestAllTypes message = TestUtil.GetAllSet();
	IMessage abstractMessage = new AbstractMessageWrapper(TestUtil.GetAllSet());

	Assert.AreEqual(message.SerializedSize, abstractMessage.SerializedSize);
	}

	[TestMethod]
	public void Serialization()
	{
	IMessage abstractMessage = new AbstractMessageWrapper(TestUtil.GetAllSet());
	TestUtil.AssertAllFieldsSet(TestAllTypes.ParseFrom(abstractMessage.ToByteString()));
	Assert.AreEqual(TestUtil.GetAllSet().ToByteString(), abstractMessage.ToByteString());
	}

	[TestMethod]
	public void Parsing()
	{
	IBuilder builder = new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder());
	AbstractMessageWrapper message =
	(AbstractMessageWrapper) builder.WeakMergeFrom(TestUtil.GetAllSet().ToByteString()).WeakBuild();
	TestUtil.AssertAllFieldsSet((TestAllTypes) message.WrappedMessage);
	}

	[TestMethod]
	public void PackedSerialization()
	{
	IMessage abstractMessage = new AbstractMessageWrapper(TestUtil.GetPackedSet());
	TestUtil.AssertPackedFieldsSet(TestPackedTypes.ParseFrom(abstractMessage.ToByteString()));
	Assert.AreEqual(TestUtil.GetPackedSet().ToByteString(), abstractMessage.ToByteString());
	}

	[TestMethod]
	public void PackedParsing()
	{
	AbstractMessageWrapper.Builder builder = new AbstractMessageWrapper.Builder(TestPackedTypes.CreateBuilder());
	AbstractMessageWrapper message = builder.MergeFrom(TestUtil.GetPackedSet().ToByteString()).Build();
	TestUtil.AssertPackedFieldsSet((TestPackedTypes)message.WrappedMessage);
	}

	[TestMethod]
	public void UnpackedParsingOfPackedInput()
	{
	byte[] bytes = TestUtil.GetPackedSet().ToByteArray();
	TestUnpackedTypes message = TestUnpackedTypes.ParseFrom(bytes);
	TestUtil.AssertUnpackedFieldsSet(message);
	}

	[TestMethod]
	public void PackedParsingOfUnpackedInput()
	{
	byte[] bytes = TestUnpackedTypes.ParseFrom(TestUtil.GetPackedSet().ToByteArray()).ToByteArray();
	TestPackedTypes message = TestPackedTypes.ParseFrom(bytes);
	TestUtil.AssertPackedFieldsSet(message);
	}

	[TestMethod]
	public void UnpackedParsingOfPackedInputExtensions()
	{
	byte[] bytes = TestUtil.GetPackedSet().ToByteArray();
	ExtensionRegistry registry = ExtensionRegistry.CreateInstance();
	Unittest.RegisterAllExtensions(registry);
	UnittestImport.RegisterAllExtensions(registry);
	TestUnpackedExtensions message = TestUnpackedExtensions.ParseFrom(bytes, registry);
	TestUtil.AssertUnpackedExtensionsSet(message);
	}

	[TestMethod]
	public void PackedParsingOfUnpackedInputExtensions()
	{
	byte[] bytes = TestUnpackedTypes.ParseFrom(TestUtil.GetPackedSet().ToByteArray()).ToByteArray();
	ExtensionRegistry registry = ExtensionRegistry.CreateInstance();
	Unittest.RegisterAllExtensions(registry);
	TestPackedExtensions message = TestPackedExtensions.ParseFrom(bytes, registry);
	TestUtil.AssertPackedExtensionsSet(message);
	}

	[TestMethod]
	public void OptimizedForSize()
	{
	// We're mostly only Checking that this class was compiled successfully.
	TestOptimizedForSize message = TestOptimizedForSize.CreateBuilder().SetI(1).Build();
	message = TestOptimizedForSize.ParseFrom(message.ToByteString());
	Assert.AreEqual(2, message.SerializedSize);
	}

	// -----------------------------------------------------------------
	// Tests for isInitialized().

	private static readonly TestRequired TestRequiredUninitialized = TestRequired.DefaultInstance;

	private static readonly TestRequired TestRequiredInitialized =
	TestRequired.CreateBuilder().SetA(1).SetB(2).SetC(3).Build();

	[TestMethod]
	public void IsInitialized()
	{
	TestRequired.Builder builder = TestRequired.CreateBuilder();
	AbstractMessageWrapper.Builder abstractBuilder = new AbstractMessageWrapper.Builder(builder);

	Assert.IsFalse(abstractBuilder.IsInitialized);
	builder.A = 1;
	Assert.IsFalse(abstractBuilder.IsInitialized);
	builder.B = 1;
	Assert.IsFalse(abstractBuilder.IsInitialized);
	builder.C = 1;
	Assert.IsTrue(abstractBuilder.IsInitialized);
	}

	[TestMethod]
	public void ForeignIsInitialized()
	{
	TestRequiredForeign.Builder builder = TestRequiredForeign.CreateBuilder();
	AbstractMessageWrapper.Builder abstractBuilder = new AbstractMessageWrapper.Builder(builder);

	Assert.IsTrue(abstractBuilder.IsInitialized);

	builder.SetOptionalMessage(TestRequiredUninitialized);
	Assert.IsFalse(abstractBuilder.IsInitialized);

	builder.SetOptionalMessage(TestRequiredInitialized);
	Assert.IsTrue(abstractBuilder.IsInitialized);

	builder.AddRepeatedMessage(TestRequiredUninitialized);
	Assert.IsFalse(abstractBuilder.IsInitialized);

	builder.SetRepeatedMessage(0, TestRequiredInitialized);
	Assert.IsTrue(abstractBuilder.IsInitialized);
	}

	// -----------------------------------------------------------------
	// Tests for mergeFrom

	private static readonly TestAllTypes MergeSource = TestAllTypes.CreateBuilder()
	.SetOptionalInt32(1)
	.SetOptionalString("foo")
	.SetOptionalForeignMessage(ForeignMessage.DefaultInstance)
	.AddRepeatedString("bar")
	.Build();

	private static readonly TestAllTypes MergeDest = TestAllTypes.CreateBuilder()
	.SetOptionalInt64(2)
	.SetOptionalString("baz")
	.SetOptionalForeignMessage(ForeignMessage.CreateBuilder().SetC(3).Build())
	.AddRepeatedString("qux")
	.Build();

	private const string MergeResultText = "optional_int32: 1\n" +
	"optional_int64: 2\n" +
	"optional_string: \"foo\"\n" +
	"optional_foreign_message {\n" +
	" c: 3\n" +
	"}\n" +
	"repeated_string: \"qux\"\n" +
	"repeated_string: \"bar\"\n";

	[TestMethod]
	public void MergeFrom()
	{
	AbstractMessageWrapper result = (AbstractMessageWrapper)
	new AbstractMessageWrapper.Builder(TestAllTypes.CreateBuilder(MergeDest))
	.MergeFrom(MergeSource)
	.Build();

	Assert.AreEqual(MergeResultText, result.ToString());
	}

	// -----------------------------------------------------------------
	// Tests for equals and hashCode

	[TestMethod]
	public void EqualsAndHashCode()
	{
	TestAllTypes a = TestUtil.GetAllSet();
	TestAllTypes b = TestAllTypes.CreateBuilder().Build();
	TestAllTypes c = TestAllTypes.CreateBuilder(b).AddRepeatedString("x").Build();
	TestAllTypes d = TestAllTypes.CreateBuilder(c).AddRepeatedString("y").Build();
	TestAllExtensions e = TestUtil.GetAllExtensionsSet();
	TestAllExtensions f = TestAllExtensions.CreateBuilder(e)
	.AddExtension(Unittest.RepeatedInt32Extension, 999).Build();

	CheckEqualsIsConsistent(a);
	CheckEqualsIsConsistent(b);
	CheckEqualsIsConsistent(c);
	CheckEqualsIsConsistent(d);
	CheckEqualsIsConsistent(e);
	CheckEqualsIsConsistent(f);

	CheckNotEqual(a, b);
	CheckNotEqual(a, c);
	CheckNotEqual(a, d);
	CheckNotEqual(a, e);
	CheckNotEqual(a, f);

	CheckNotEqual(b, c);
	CheckNotEqual(b, d);
	CheckNotEqual(b, e);
	CheckNotEqual(b, f);

	CheckNotEqual(c, d);
	CheckNotEqual(c, e);
	CheckNotEqual(c, f);

	CheckNotEqual(d, e);
	CheckNotEqual(d, f);

	CheckNotEqual(e, f);

	// Deserializing into the TestEmptyMessage such that every field is an UnknownFieldSet.Field
	TestEmptyMessage eUnknownFields = TestEmptyMessage.ParseFrom(e.ToByteArray());
	TestEmptyMessage fUnknownFields = TestEmptyMessage.ParseFrom(f.ToByteArray());
	CheckNotEqual(eUnknownFields, fUnknownFields);
	CheckEqualsIsConsistent(eUnknownFields);
	CheckEqualsIsConsistent(fUnknownFields);

	// Subseqent reconstitutions should be identical
	TestEmptyMessage eUnknownFields2 = TestEmptyMessage.ParseFrom(e.ToByteArray());
	CheckEqualsIsConsistent(eUnknownFields, eUnknownFields2);
	}

	/// <summary>
	/// Asserts that the given protos are equal and have the same hash code.
	/// </summary>
	private static void CheckEqualsIsConsistent(IMessage message)
	{
	// Object should be equal to itself.
	Assert.AreEqual(message, message);

	// Object should be equal to a dynamic copy of itself.
	DynamicMessage dynamic = DynamicMessage.CreateBuilder(message).Build();
	CheckEqualsIsConsistent(message, dynamic);
	}

	/// <summary>
	/// Asserts that the given protos are equal and have the same hash code.
	/// </summary>
	private static void CheckEqualsIsConsistent(IMessage message1, IMessage message2)
	{
	Assert.AreEqual(message1, message2);
	Assert.AreEqual(message2, message1);
	Assert.AreEqual(message2.GetHashCode(), message1.GetHashCode());
	}

	/// <summary>
	/// Asserts that the given protos are not equal and have different hash codes.
	/// </summary>
	/// <remarks>
	/// It's valid for non-equal objects to have the same hash code, so
	/// this test is stricter than it needs to be. However, this should happen
	/// relatively rarely. (If this test fails, it's probably still due to a bug.)
	/// </remarks>
	private static void CheckNotEqual(IMessage m1, IMessage m2)
	{
	String equalsError = string.Format("{0} should not be equal to {1}", m1, m2);
	Assert.IsFalse(m1.Equals(m2), equalsError);
	Assert.IsFalse(m2.Equals(m1), equalsError);

	Assert.IsFalse(m1.GetHashCode() == m2.GetHashCode(),
	string.Format("{0} should have a different hash code from {1}", m1, m2));
	}

	/// <summary>
	/// Extends AbstractMessage and wraps some other message object. The methods
	/// of the Message interface which aren't explicitly implemented by
	/// AbstractMessage are forwarded to the wrapped object. This allows us to
	/// test that AbstractMessage's implementations work even if the wrapped
	/// object does not use them.
	/// </summary>
	private class AbstractMessageWrapper : AbstractMessage<AbstractMessageWrapper, AbstractMessageWrapper.Builder>
	{
	private readonly IMessage wrappedMessage;

	public IMessage WrappedMessage
	{
	get { return wrappedMessage; }
	}

	public AbstractMessageWrapper(IMessage wrappedMessage)
	{
	this.wrappedMessage = wrappedMessage;
	}

	public override MessageDescriptor DescriptorForType
	{
	get { return wrappedMessage.DescriptorForType; }
	}

	public override AbstractMessageWrapper DefaultInstanceForType
	{
	get { return new AbstractMessageWrapper(wrappedMessage.WeakDefaultInstanceForType); }
	}

	public override IDictionary<FieldDescriptor, object> AllFields
	{
	get { return wrappedMessage.AllFields; }
	}

	public override bool HasField(FieldDescriptor field)
	{
	return wrappedMessage.HasField(field);
	}

	public override object this[FieldDescriptor field]
	{
	get { return wrappedMessage[field]; }
	}

	public override object this[FieldDescriptor field, int index]
	{
	get { return wrappedMessage[field, index]; }
	}

	public override int GetRepeatedFieldCount(FieldDescriptor field)
	{
	return wrappedMessage.GetRepeatedFieldCount(field);
	}

	public override UnknownFieldSet UnknownFields
	{
	get { return wrappedMessage.UnknownFields; }
	}

	public override Builder CreateBuilderForType()
	{
	return new Builder(wrappedMessage.WeakCreateBuilderForType());
	}

	public override Builder ToBuilder()
	{
	return new Builder(wrappedMessage.WeakToBuilder());
	}

	internal class Builder : AbstractBuilder<AbstractMessageWrapper, Builder>
	{
	private readonly IBuilder wrappedBuilder;

	protected override Builder ThisBuilder
	{
	get { return this; }
	}

	internal Builder(IBuilder wrappedBuilder)
	{
	this.wrappedBuilder = wrappedBuilder;
	}

	public override Builder MergeFrom(AbstractMessageWrapper other)
	{
	wrappedBuilder.WeakMergeFrom(other.wrappedMessage);
	return this;
	}

	public override bool IsInitialized
	{
	get { return wrappedBuilder.IsInitialized; }
	}

	public override IDictionary<FieldDescriptor, object> AllFields
	{
	get { return wrappedBuilder.AllFields; }
	}

	public override object this[FieldDescriptor field]
	{
	get { return wrappedBuilder[field]; }
	set { wrappedBuilder[field] = value; }
	}

	public override MessageDescriptor DescriptorForType
	{
	get { return wrappedBuilder.DescriptorForType; }
	}

	public override int GetRepeatedFieldCount(FieldDescriptor field)
	{
	return wrappedBuilder.GetRepeatedFieldCount(field);
	}

	public override object this[FieldDescriptor field, int index]
	{
	get { return wrappedBuilder[field, index]; }
	set { wrappedBuilder[field, index] = value; }
	}

	public override bool HasField(FieldDescriptor field)
	{
	return wrappedBuilder.HasField(field);
	}

	public override UnknownFieldSet UnknownFields
	{
	get { return wrappedBuilder.UnknownFields; }
	set { wrappedBuilder.UnknownFields = value; }
	}

	public override AbstractMessageWrapper Build()
	{
	return new AbstractMessageWrapper(wrappedBuilder.WeakBuild());
	}

	public override AbstractMessageWrapper BuildPartial()
	{
	return new AbstractMessageWrapper(wrappedBuilder.WeakBuildPartial());
	}

	public override Builder Clone()
	{
	return new Builder(wrappedBuilder.WeakClone());
	}

	public override AbstractMessageWrapper DefaultInstanceForType
	{
	get { return new AbstractMessageWrapper(wrappedBuilder.WeakDefaultInstanceForType); }
	}

	public override Builder ClearField(FieldDescriptor field)
	{
	wrappedBuilder.WeakClearField(field);
	return this;
	}

	public override Builder AddRepeatedField(FieldDescriptor field, object value)
	{
	wrappedBuilder.WeakAddRepeatedField(field, value);
	return this;
	}

	public override IBuilder CreateBuilderForField(FieldDescriptor field)
	{
	wrappedBuilder.CreateBuilderForField(field);
	return this;
	}

	public override Builder MergeFrom(IMessage other)
	{
	wrappedBuilder.WeakMergeFrom(other);
	return this;
	}

	public override Builder MergeFrom(ICodedInputStream input, ExtensionRegistry extensionRegistry)
	{
	wrappedBuilder.WeakMergeFrom(input, extensionRegistry);
	return this;
	}
	}
	}
	}
	}