public void Subscribe()
{
var client = new SymbolStatisticsWebSocketClient();
Assert.Empty(client.ObservedStreams);
Assert.Empty(client.Stream.ProvidedStreams);
client.Subscribe(Symbol.BTC_USDT);
Assert.True(client.ObservedStreams.Count() == 1);
Assert.True(client.Stream.ProvidedStreams.Count() == 1);
}
public void Throws()
{
var client = new SymbolStatisticsWebSocketClient();
Assert.Throws <ArgumentException>("symbols", () => client.Subscribe(null));
}