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#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2015 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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 Conformance;
using System;
using System.IO;
namespace Google.Protobuf.Conformance
{
/// <summary>
/// Conformance tests. The test runner will provide JSON or proto data on stdin,
/// and this program will produce its output on stdout.
/// </summary>
class Program
{
private static void Main(string[] args)
{
// This way we get the binary streams instead of readers/writers.
var input = new BinaryReader(Console.OpenStandardInput());
var output = new BinaryWriter(Console.OpenStandardOutput());
int count = 0;
while (RunTest(input, output))
{
count++;
}
Console.Error.WriteLine("Received EOF after {0} tests", count);
}
private static bool RunTest(BinaryReader input, BinaryWriter output)
{
int? size = ReadInt32(input);
if (size == null)
{
return false;
}
byte[] inputData = input.ReadBytes(size.Value);
if (inputData.Length != size.Value)
{
throw new EndOfStreamException("Read " + inputData.Length + " bytes of data when expecting " + size);
}
ConformanceRequest request = ConformanceRequest.Parser.ParseFrom(inputData);
ConformanceResponse response = PerformRequest(request);
byte[] outputData = response.ToByteArray();
output.Write(outputData.Length);
output.Write(outputData);
// Ready for another test...
return true;
}
private static ConformanceResponse PerformRequest(ConformanceRequest request)
{
TestAllTypes message;
switch (request.PayloadCase)
{
case ConformanceRequest.PayloadOneofCase.JsonPayload:
return new ConformanceResponse { Skipped = "JSON parsing not implemented in C# yet" };
case ConformanceRequest.PayloadOneofCase.ProtobufPayload:
try
{
message = TestAllTypes.Parser.ParseFrom(request.ProtobufPayload);
}
catch (InvalidProtocolBufferException e)
{
return new ConformanceResponse { ParseError = e.Message };
}
break;
default:
throw new Exception("Unsupported request payload: " + request.PayloadCase);
}
switch (request.RequestedOutputFormat)
{
case global::Conformance.WireFormat.JSON:
return new ConformanceResponse { JsonPayload = JsonFormatter.Default.Format(message) };
case global::Conformance.WireFormat.PROTOBUF:
return new ConformanceResponse { ProtobufPayload = message.ToByteString() };
default:
throw new Exception("Unsupported request output format: " + request.PayloadCase);
}
}
private static int? ReadInt32(BinaryReader input)
{
byte[] bytes = input.ReadBytes(4);
if (bytes.Length == 0)
{
// Cleanly reached the end of the stream
return null;
}
if (bytes.Length != 4)
{
throw new EndOfStreamException("Read " + bytes.Length + " bytes of size when expecting 4");
}
return bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24);
}
}
}
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