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

        public void ManyOpenClose()
        {
            // The connector's _sentRfqPrependedMessages is a byte, too many open/closes made it overflow
            for (var i = 0; i < 255; i++)
            {
                using (var conn = new NpgsqlConnection(ConnectionString))
                {
                    conn.Open();
                }
            }
            using (var conn = new NpgsqlConnection(ConnectionString))
            {
                conn.Open();
            }
            using (var conn = new NpgsqlConnection(ConnectionString))
            {
                conn.Open();
                Assert.That(conn.ExecuteScalar("SELECT 1"), Is.EqualTo(1));
            }
        }