Npgsql.Tests.ConnectionTests.PoolByPassword C# (CSharp) Method

        public void PoolByPassword()
        {
            NpgsqlConnection goodConn = null;
            try
            {
                var csb = new NpgsqlConnectionStringBuilder(ConnectionString)
                {
                    ApplicationName = nameof(PoolByPassword)
                };
                using (goodConn = new NpgsqlConnection(csb))
                    goodConn.Open();
                csb.Password = "badpasswd";
                using (var conn = new NpgsqlConnection(csb))
                    Assert.That(conn.Open, Throws.Exception.TypeOf<PostgresException>());
            }
            finally
            {
                if (goodConn != null)
                    NpgsqlConnection.ClearPool(goodConn);
            }
        }