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using System;
using Google.ProtocolBuffers.TestProtos;
using NUnit.Framework;
namespace Google.ProtocolBuffers.Compatibility
{
/// <summary>
/// This abstract base implements several tests to ensure that well-known messages can be written
/// and read to/from various formats without losing data. Implementations override the two serialization
/// methods to provide the tests with the means to read and write for a given format.
/// </summary>
public abstract class CompatibilityTests
{
protected abstract object SerializeMessage<TMessage, TBuilder>(TMessage message)
where TMessage : IMessageLite<TMessage, TBuilder>
where TBuilder : IBuilderLite<TMessage, TBuilder>;
protected abstract TBuilder DeserializeMessage<TMessage, TBuilder>(object message, TBuilder builder, ExtensionRegistry registry)
where TMessage : IMessageLite<TMessage, TBuilder>
where TBuilder : IBuilderLite<TMessage, TBuilder>;
protected virtual void AssertOutputEquals(object lhs, object rhs)
{
Assert.AreEqual(lhs, rhs);
}
[Test]
public virtual void RoundTripWithEmptyChildMessageSize()
{
SizeMessage1 msg = SizeMessage1.CreateBuilder()
.SetField100(100)
.SetField15(SizeMessage1SubMessage.DefaultInstance)
.BuildPartial();
byte[] contents = msg.ToByteArray();
object content = SerializeMessage<SizeMessage1, SizeMessage1.Builder>(msg);
SizeMessage1 copy = DeserializeMessage<SizeMessage1, SizeMessage1.Builder>(content, SizeMessage1.CreateBuilder(), ExtensionRegistry.Empty).BuildPartial();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<SizeMessage1, SizeMessage1.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(contents), Convert.ToBase64String(copy.ToByteArray()));
}
[Test]
public virtual void RoundTripWithEmptyChildMessageSpeed()
{
SpeedMessage1 msg = SpeedMessage1.CreateBuilder()
.SetField100(100)
.SetField15(SpeedMessage1SubMessage.DefaultInstance)
.BuildPartial();
byte[] contents = msg.ToByteArray();
object content = SerializeMessage<SpeedMessage1, SpeedMessage1.Builder>(msg);
SpeedMessage1 copy = DeserializeMessage<SpeedMessage1, SpeedMessage1.Builder>(content, SpeedMessage1.CreateBuilder(), ExtensionRegistry.Empty).BuildPartial();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<SpeedMessage1, SpeedMessage1.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(contents), Convert.ToBase64String(copy.ToByteArray()));
}
[Test]
public virtual void RoundTripMessage1OptimizeSize()
{
SizeMessage1 msg = SizeMessage1.CreateBuilder().MergeFrom(TestResources.google_message1).Build();
object content = SerializeMessage<SizeMessage1, SizeMessage1.Builder>(msg);
SizeMessage1 copy = DeserializeMessage<SizeMessage1, SizeMessage1.Builder>(content, SizeMessage1.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<SizeMessage1, SizeMessage1.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(TestResources.google_message1), Convert.ToBase64String(copy.ToByteArray()));
}
[Test]
public virtual void RoundTripMessage2OptimizeSize()
{
SizeMessage2 msg = SizeMessage2.CreateBuilder().MergeFrom(TestResources.google_message2).Build();
object content = SerializeMessage<SizeMessage2, SizeMessage2.Builder>(msg);
SizeMessage2 copy = DeserializeMessage<SizeMessage2, SizeMessage2.Builder>(content, SizeMessage2.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<SizeMessage2, SizeMessage2.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(TestResources.google_message2), Convert.ToBase64String(copy.ToByteArray()));
}
[Test]
public virtual void RoundTripMessage1OptimizeSpeed()
{
SpeedMessage1 msg = SpeedMessage1.CreateBuilder().MergeFrom(TestResources.google_message1).Build();
object content = SerializeMessage<SpeedMessage1, SpeedMessage1.Builder>(msg);
SpeedMessage1 copy = DeserializeMessage<SpeedMessage1, SpeedMessage1.Builder>(content, SpeedMessage1.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<SpeedMessage1, SpeedMessage1.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(TestResources.google_message1), Convert.ToBase64String(copy.ToByteArray()));
}
[Test]
public virtual void RoundTripMessage2OptimizeSpeed()
{
SpeedMessage2 msg = SpeedMessage2.CreateBuilder().MergeFrom(TestResources.google_message2).Build();
object content = SerializeMessage<SpeedMessage2, SpeedMessage2.Builder>(msg);
SpeedMessage2 copy = DeserializeMessage<SpeedMessage2, SpeedMessage2.Builder>(content, SpeedMessage2.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<SpeedMessage2, SpeedMessage2.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(TestResources.google_message2), Convert.ToBase64String(copy.ToByteArray()));
}
#region Test message builders
protected static TestAllTypes.Builder AddAllTypes(TestAllTypes.Builder builder)
{
return builder.SetOptionalInt32(1001)
.SetOptionalInt64(1001)
.SetOptionalUint32(1001)
.SetOptionalUint64(1001)
.SetOptionalSint32(-1001)
.SetOptionalSint64(-1001)
.SetOptionalFixed32(1001)
.SetOptionalFixed64(1001)
.SetOptionalSfixed32(-1001)
.SetOptionalSfixed64(-1001)
.SetOptionalFloat(1001.1001f)
.SetOptionalDouble(1001.1001)
.SetOptionalBool(true)
.SetOptionalString("this is a string value")
.SetOptionalBytes(ByteString.CopyFromUtf8("this is an array of bytes"))
.SetOptionalGroup(new TestAllTypes.Types.OptionalGroup.Builder().SetA(1001))
.SetOptionalNestedMessage(new TestAllTypes.Types.NestedMessage.Builder().SetBb(1001))
.SetOptionalNestedEnum(TestAllTypes.Types.NestedEnum.FOO)
;
}
protected static TestAllTypes.Builder AddRepeatedTypes(TestAllTypes.Builder builder, int size)
{
//repeated values
for (int i = 0; i < size; i++)
builder.AddRepeatedInt32(1001 + i)
.AddRepeatedInt64(1001)
.AddRepeatedUint32(1001)
.AddRepeatedUint64(1001)
.AddRepeatedSint32(-1001)
.AddRepeatedSint64(-1001)
.AddRepeatedFixed32(1001)
.AddRepeatedFixed64(1001)
.AddRepeatedSfixed32(-1001)
.AddRepeatedSfixed64(-1001)
.AddRepeatedFloat(1001.1001f)
.AddRepeatedDouble(1001.1001)
.AddRepeatedBool(true)
.AddRepeatedString("this is a string value")
.AddRepeatedBytes(ByteString.CopyFromUtf8("this is an array of bytes"))
.AddRepeatedGroup(new TestAllTypes.Types.RepeatedGroup.Builder().SetA(1001))
.AddRepeatedNestedMessage(new TestAllTypes.Types.NestedMessage.Builder().SetBb(1001))
.AddRepeatedNestedEnum(TestAllTypes.Types.NestedEnum.FOO)
;
return builder;
}
protected static TestPackedTypes.Builder AddPackedTypes(TestPackedTypes.Builder builder, int size)
{
for(int i=0; i < size; i++ )
builder.AddPackedInt32(1001)
.AddPackedInt64(1001)
.AddPackedUint32(1001)
.AddPackedUint64(1001)
.AddPackedSint32(-1001)
.AddPackedSint64(-1001)
.AddPackedFixed32(1001)
.AddPackedFixed64(1001)
.AddPackedSfixed32(-1001)
.AddPackedSfixed64(-1001)
.AddPackedFloat(1001.1001f)
.AddPackedDouble(1001.1001)
.AddPackedBool(true)
.AddPackedEnum(ForeignEnum.FOREIGN_FOO)
;
return builder;
}
#endregion
[Test]
public void TestRoundTripAllTypes()
{
TestAllTypes msg = AddAllTypes(new TestAllTypes.Builder()).Build();
object content = SerializeMessage<TestAllTypes, TestAllTypes.Builder>(msg);
TestAllTypes copy = DeserializeMessage<TestAllTypes, TestAllTypes.Builder>(content, TestAllTypes.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<TestAllTypes, TestAllTypes.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(msg.ToByteArray()), Convert.ToBase64String(copy.ToByteArray()));
}
[Test]
public void TestRoundTripRepeatedTypes()
{
TestAllTypes msg = AddRepeatedTypes(new TestAllTypes.Builder(), 5).Build();
object content = SerializeMessage<TestAllTypes, TestAllTypes.Builder>(msg);
TestAllTypes copy = DeserializeMessage<TestAllTypes, TestAllTypes.Builder>(content, TestAllTypes.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<TestAllTypes, TestAllTypes.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(msg.ToByteArray()), Convert.ToBase64String(copy.ToByteArray()));
}
[Test]
public void TestRoundTripPackedTypes()
{
TestPackedTypes msg = AddPackedTypes(new TestPackedTypes.Builder(), 5).Build();
object content = SerializeMessage<TestPackedTypes, TestPackedTypes.Builder>(msg);
TestPackedTypes copy = DeserializeMessage<TestPackedTypes, TestPackedTypes.Builder>(content, TestPackedTypes.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
AssertOutputEquals(content, SerializeMessage<TestPackedTypes, TestPackedTypes.Builder>(copy));
Assert.AreEqual(Convert.ToBase64String(msg.ToByteArray()), Convert.ToBase64String(copy.ToByteArray()));
}
}
}
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