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+#region Copyright notice and license
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+// Protocol Buffers - Google's data interchange format
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+// Copyright 2015 Google Inc. All rights reserved.
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+// https://developers.google.com/protocol-buffers/
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+//
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+// Redistribution and use in source and binary forms, with or without
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+// modification, are permitted provided that the following conditions are
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+// met:
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+//
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+// * Redistributions of source code must retain the above copyright
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+// notice, this list of conditions and the following disclaimer.
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+// * Redistributions in binary form must reproduce the above
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+// copyright notice, this list of conditions and the following disclaimer
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+// in the documentation and/or other materials provided with the
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+// distribution.
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+// * Neither the name of Google Inc. nor the names of its
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+// contributors may be used to endorse or promote products derived from
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+// this software without specific prior written permission.
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+//
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+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+#endregion
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+
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+using Conformance;
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+using Google.Protobuf.Reflection;
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+using System;
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+using System.IO;
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+
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+namespace Google.Protobuf.Conformance
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+{
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+ /// <summary>
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+ /// Conformance tests. The test runner will provide JSON or proto data on stdin,
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+ /// and this program will produce its output on stdout.
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+ /// </summary>
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+ class Program
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+ {
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+ private static void Main(string[] args)
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+ {
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+ // This way we get the binary streams instead of readers/writers.
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+ var input = new BinaryReader(Console.OpenStandardInput());
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+ var output = new BinaryWriter(Console.OpenStandardOutput());
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+ var typeRegistry = TypeRegistry.FromMessages(ProtobufTestMessages.Proto3.TestAllTypesProto3.Descriptor);
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+
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+ int count = 0;
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+ while (RunTest(input, output, typeRegistry))
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+ {
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+ count++;
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+ }
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+ Console.Error.WriteLine("Received EOF after {0} tests", count);
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+ }
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+
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+ private static bool RunTest(BinaryReader input, BinaryWriter output, TypeRegistry typeRegistry)
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+ {
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+ int? size = ReadInt32(input);
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+ if (size == null)
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+ {
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+ return false;
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+ }
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+ byte[] inputData = input.ReadBytes(size.Value);
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+ if (inputData.Length != size.Value)
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+ {
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+ throw new EndOfStreamException("Read " + inputData.Length + " bytes of data when expecting " + size);
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+ }
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+ ConformanceRequest request = ConformanceRequest.Parser.ParseFrom(inputData);
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+ ConformanceResponse response = PerformRequest(request, typeRegistry);
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+ byte[] outputData = response.ToByteArray();
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+ output.Write(outputData.Length);
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+ output.Write(outputData);
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+ // Ready for another test...
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+ return true;
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+ }
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+
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+ private static ConformanceResponse PerformRequest(ConformanceRequest request, TypeRegistry typeRegistry)
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+ {
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+ ProtobufTestMessages.Proto3.TestAllTypesProto3 message;
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+ try
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+ {
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+ switch (request.PayloadCase)
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+ {
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+ case ConformanceRequest.PayloadOneofCase.JsonPayload:
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+ var parser = new JsonParser(new JsonParser.Settings(20, typeRegistry));
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+ message = parser.Parse<ProtobufTestMessages.Proto3.TestAllTypesProto3>(request.JsonPayload);
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+ break;
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+ case ConformanceRequest.PayloadOneofCase.ProtobufPayload:
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+ {
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+ if (request.MessageType.Equals("protobuf_test_messages.proto3.TestAllTypesProto3"))
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+ {
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+ message = ProtobufTestMessages.Proto3.TestAllTypesProto3.Parser.ParseFrom(request.ProtobufPayload);
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+ }
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+ else if (request.MessageType.Equals("protobuf_test_messages.proto2.TestAllTypesProto2"))
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+ {
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+ return new ConformanceResponse { Skipped = "CSharp doesn't support proto2" };
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+ }
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+ else
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+ {
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+ throw new Exception(" Protobuf request doesn't have specific payload type");
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+ }
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+ break;
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+ }
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+ default:
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+ throw new Exception("Unsupported request payload: " + request.PayloadCase);
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+ }
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+ }
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+ catch (InvalidProtocolBufferException e)
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+ {
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+ return new ConformanceResponse { ParseError = e.Message };
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+ }
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+ catch (InvalidJsonException e)
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+ {
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+ return new ConformanceResponse { ParseError = e.Message };
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+ }
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+ try
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+ {
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+ switch (request.RequestedOutputFormat)
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+ {
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+ case global::Conformance.WireFormat.Json:
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+ var formatter = new JsonFormatter(new JsonFormatter.Settings(false, typeRegistry));
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+ return new ConformanceResponse { JsonPayload = formatter.Format(message) };
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+ case global::Conformance.WireFormat.Protobuf:
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+ return new ConformanceResponse { ProtobufPayload = message.ToByteString() };
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+ default:
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+ throw new Exception("Unsupported request output format: " + request.PayloadCase);
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+ }
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+ }
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+ catch (InvalidOperationException e)
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+ {
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+ return new ConformanceResponse { SerializeError = e.Message };
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+ }
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+ }
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+
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+ private static int? ReadInt32(BinaryReader input)
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+ {
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+ byte[] bytes = input.ReadBytes(4);
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+ if (bytes.Length == 0)
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+ {
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+ // Cleanly reached the end of the stream
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+ return null;
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+ }
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+ if (bytes.Length != 4)
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+ {
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+ throw new EndOfStreamException("Read " + bytes.Length + " bytes of size when expecting 4");
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+ }
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+ return bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24);
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+ }
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+ }
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+}
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Yilun Chong