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using System;
using Google.ProtocolBuffers.TestProtos;
using NUnit.Framework;
namespace Google.ProtocolBuffers.CompatTests
{
public abstract class CompatibilityTests
{
protected abstract string TestName { get; }
protected abstract object SerializeMessage<TMessage, TBuilder>(TMessage message)
where TMessage : IMessageLite<TMessage, TBuilder>
where TBuilder : IBuilderLite<TMessage, TBuilder>;
protected abstract TBuilder DeerializeMessage<TMessage, TBuilder>(object message, TBuilder builder, ExtensionRegistry registry)
where TMessage : IMessageLite<TMessage, TBuilder>
where TBuilder : IBuilderLite<TMessage, TBuilder>;
#region RunBenchmark
protected void RunBenchmark<TMessage, TBuilder>(byte[] buffer, bool write)
where TMessage : IMessageLite<TMessage, TBuilder>
where TBuilder : IBuilderLite<TMessage, TBuilder>, new()
{
TBuilder builder = new TBuilder();
TMessage message = new TBuilder().MergeFrom(buffer).Build();
System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
//simple warm-up
object content = SerializeMessage<TMessage, TBuilder>(message);
Assert.AreEqual(message, DeerializeMessage<TMessage, TBuilder>(content, new TBuilder(), ExtensionRegistry.Empty).Build());
//timming
long time = 0, sample = 1;
while (time < 100)
{
sample *= 10;
watch.Reset();
watch.Start();
if (write)
{
for (int i = 0; i < sample; i++)
SerializeMessage<TMessage, TBuilder>(message);
}
else
{
for (int i = 0; i < sample; i++)
DeerializeMessage<TMessage, TBuilder>(content, builder, ExtensionRegistry.Empty);
}
watch.Stop();
time = watch.ElapsedMilliseconds;
}
ulong rounds = (ulong)((100.0 / watch.ElapsedMilliseconds) * sample);
//test
watch.Reset();
watch.Start();
if (write)
{
for (ulong i = 0; i < rounds; i++)
SerializeMessage<TMessage, TBuilder>(message);
}
else
{
for (ulong i = 0; i < rounds; i++)
DeerializeMessage<TMessage, TBuilder>(content, builder, ExtensionRegistry.Empty);
}
watch.Stop();
System.Diagnostics.Trace.TraceInformation(
"\r\n{0} {4} {5} {3:n0} rps ({1:n0} rounds in {2:n0} ms)", typeof(TMessage).Name, rounds,
watch.ElapsedMilliseconds, (1000.0 / watch.ElapsedMilliseconds) * (double)rounds, TestName, write ? " write" : " read");
GC.GetTotalMemory(true);
GC.WaitForPendingFinalizers();
}
[Test]
public virtual void Message1OptimizeSizeWriterPerf()
{
RunBenchmark<SizeMessage1, SizeMessage1.Builder>(TestResources.google_message1, true);
}
[Test]
public virtual void Message1OptimizeSpeedWriterPerf()
{
RunBenchmark<SpeedMessage1, SpeedMessage1.Builder>(TestResources.google_message1, true);
}
[Test]
public virtual void Message2OptimizeSizeWriterPerf()
{
RunBenchmark<SizeMessage2, SizeMessage2.Builder>(TestResources.google_message2, true);
}
[Test]
public virtual void Message2OptimizeSpeedWriterPerf()
{
RunBenchmark<SpeedMessage2, SpeedMessage2.Builder>(TestResources.google_message2, true);
}
[Test]
public virtual void Message1OptimizeSizeReadPerf()
{
RunBenchmark<SizeMessage1, SizeMessage1.Builder>(TestResources.google_message1, false);
}
[Test]
public virtual void Message1OptimizeSpeedReadPerf()
{
RunBenchmark<SpeedMessage1, SpeedMessage1.Builder>(TestResources.google_message1, false);
}
[Test]
public virtual void Message2OptimizeSizeReadPerf()
{
RunBenchmark<SizeMessage2, SizeMessage2.Builder>(TestResources.google_message2, false);
}
[Test]
public virtual void Message2OptimizeSpeedReadPerf()
{
RunBenchmark<SpeedMessage2, SpeedMessage2.Builder>(TestResources.google_message2, false);
}
#endregion
[Test]
public virtual void RoundTripMessage1OptimizeSize()
{
SizeMessage1 msg = SizeMessage1.CreateBuilder().MergeFrom(TestResources.google_message1).Build();
object content = SerializeMessage<SizeMessage1, SizeMessage1.Builder>(msg);
SizeMessage1 copy = DeerializeMessage<SizeMessage1, SizeMessage1.Builder>(content, SizeMessage1.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
Assert.AreEqual(content, SerializeMessage<SizeMessage1,SizeMessage1.Builder>(copy));
Assert.AreEqual(TestResources.google_message1, 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 = DeerializeMessage<SizeMessage2, SizeMessage2.Builder>(content, SizeMessage2.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
Assert.AreEqual(content, SerializeMessage<SizeMessage2, SizeMessage2.Builder>(copy));
Assert.AreEqual(TestResources.google_message2, 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 = DeerializeMessage<SpeedMessage1, SpeedMessage1.Builder>(content, SpeedMessage1.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
Assert.AreEqual(content, SerializeMessage<SpeedMessage1, SpeedMessage1.Builder>(copy));
Assert.AreEqual(TestResources.google_message1, 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 = DeerializeMessage<SpeedMessage2, SpeedMessage2.Builder>(content, SpeedMessage2.CreateBuilder(), ExtensionRegistry.Empty).Build();
Assert.AreEqual(msg, copy);
Assert.AreEqual(content, SerializeMessage<SpeedMessage2, SpeedMessage2.Builder>(copy));
Assert.AreEqual(TestResources.google_message2, copy.ToByteArray());
}
}
}
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