public void TestSendNullTransactionThrowsException()
{
try
{
orderer = hfclient.NewOrderer(ORDERER_NAME, "grpc://localhost:5151");
}
catch (ArgumentException e)
{
Assert.Fail("Failed to create new orderer: " + e);
}
orderer.SendTransaction(null);
Assert.Fail("Transaction should not be null.");
}