Npgsql.Tests.CommandTests.CancelCrossCommand C# (CSharp) Method

        public void CancelCrossCommand()
        {
            using (var conn = OpenConnection())
            {
                using (var cmd1 = CreateSleepCommand(conn, 2))
                using (var cmd2 = new NpgsqlCommand("SELECT 1", conn))
                {
                    var cancelTask = Task.Factory.StartNew(() =>
                    {
                        Thread.Sleep(300);
                        cmd2.Cancel();
                    });
                    Assert.That(() => cmd1.ExecuteNonQuery(), Throws.Nothing);
                    cancelTask.Wait();
                }
            }
        }