public static void ServerPInvokeChecks()
    {
        // calling every API related to server and client to detect any bad PInvokes
        using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
        {
            Task clientTask = StartClientAsync(PipeDirection.In, server.ClientSafePipeHandle);

            Console.WriteLine("server.CanRead = {0}", server.CanRead);
            Console.WriteLine("server.CanSeek = {0}", server.CanSeek);
            Console.WriteLine("server.CanTimeout = {0}", server.CanTimeout);
            Console.WriteLine("server.CanWrite = {0}", server.CanWrite);
            Console.WriteLine("server.GetClientHandleAsString() = {0}", server.GetClientHandleAsString());
            Console.WriteLine("server.IsAsync = {0}", server.IsAsync);
            Console.WriteLine("server.IsConnected = {0}", server.IsConnected);
            Console.WriteLine("server.OutBufferSize = {0}", server.OutBufferSize);
            Console.WriteLine("server.ReadMode = {0}", server.ReadMode);
            Console.WriteLine("server.SafePipeHandle = {0}", server.SafePipeHandle);
            Console.WriteLine("server.TransmissionMode = {0}", server.TransmissionMode);
            server.Write(new byte[] { 123 }, 0, 1);
            server.WriteAsync(new byte[] { 124 }, 0, 1).Wait();
            server.Flush();
            Console.WriteLine("Waiting for Pipe Drain.");
            server.WaitForPipeDrain();
            clientTask.Wait();
            server.DisposeLocalCopyOfClientHandle();
        }
        using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
        {
            Task clientTask = StartClientAsync(PipeDirection.Out, server.ClientSafePipeHandle);

            Console.WriteLine("server.InBufferSize = {0}", server.InBufferSize);
            byte[] readData = new byte[] { 0, 1 };
            server.Read(readData, 0, 1);
            server.ReadAsync(readData, 1, 1).Wait();
            Assert.Equal(123, readData[0]);
            Assert.Equal(124, readData[1]);
        }
    }
    public static void ServerPInvokeChecks()
    {
        // calling every API related to server and client to detect any bad PInvokes
        using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
        {
            Task clientTask = Task.Run(() => StartClient(PipeDirection.In, server.ClientSafePipeHandle));

            Assert.False(server.CanRead);
            Assert.False(server.CanSeek);
            Assert.False(server.CanTimeout);
            Assert.True(server.CanWrite);
            Assert.False(string.IsNullOrWhiteSpace(server.GetClientHandleAsString()));
            Assert.False(server.IsAsync);
            Assert.True(server.IsConnected);
            if (Interop.IsWindows)
            {
                Assert.Equal(0, server.OutBufferSize);
            }
            else
            {
                Assert.Throws<PlatformNotSupportedException>(() => server.OutBufferSize);
            }
            Assert.Equal(PipeTransmissionMode.Byte, server.ReadMode);
            Assert.NotNull(server.SafePipeHandle);
            Assert.Equal(PipeTransmissionMode.Byte, server.TransmissionMode);

            server.Write(new byte[] { 123 }, 0, 1);
            server.WriteAsync(new byte[] { 124 }, 0, 1).Wait();
            server.Flush();
            if (Interop.IsWindows)
            {
                server.WaitForPipeDrain();
            }
            else
            {
                Assert.Throws<PlatformNotSupportedException>(() => server.WaitForPipeDrain());
            }

            clientTask.Wait();
            server.DisposeLocalCopyOfClientHandle();
        }

        using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
        {
            Task clientTask = Task.Run(() => StartClient(PipeDirection.Out, server.ClientSafePipeHandle));

            if (Interop.IsWindows)
            {
                Assert.Equal(4096, server.InBufferSize);
            }
            else
            {
                Assert.Throws<PlatformNotSupportedException>(() => server.InBufferSize);
            }
            byte[] readData = new byte[] { 0, 1 };
            Assert.Equal(1, server.Read(readData, 0, 1));
            Assert.Equal(1, server.ReadAsync(readData, 1, 1).Result);
            Assert.Equal(123, readData[0]);
            Assert.Equal(124, readData[1]);

            clientTask.Wait();
        }
    }
        public static void ServerReadOnlyThrows()
        {
            using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
            {
                Assert.Throws<NotSupportedException>(() => server.Write(new byte[5], 0, 5));

                Assert.Throws<NotSupportedException>(() => server.WriteByte(123));

                Assert.Throws<NotSupportedException>(() => server.Flush());

                Assert.Throws<NotSupportedException>(() => server.OutBufferSize);

                Assert.Throws<NotSupportedException>(() => server.WaitForPipeDrain());

                Assert.ThrowsAsync<NotSupportedException>(() => server.WriteAsync(new byte[5], 0, 5));
            }
        }