public async Task FC01Test()
{
// Arrange
var endpoint = EndpointSource.GetNext();
using var server = new ModbusTcpServer();
server.Start(endpoint);
void AsyncWorkaround()
{
var buffer = server.GetCoilBuffer <byte>();
buffer[1] = 9;
buffer[2] = 0;
buffer[3] = 24;
}
lock (server.Lock)
{
AsyncWorkaround();
}
var client = new ModbusTcpClient();
client.Connect(endpoint);
// Act
var actual = await client.ReadCoilsAsync(0, 8, 25);
// Assert
var expected = new byte[] { 9, 0, 24, 0 };
Assert.True(expected.SequenceEqual(actual.ToArray()));
}