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

        public void ChangeDatabaseConnectionNotOpen()
        {
            using (var conn = new NpgsqlConnection(ConnectionString))
                Assert.That(() => conn.ChangeDatabase("template1"), Throws.Exception
                    .TypeOf<InvalidOperationException>()
                    .With.Message.EqualTo("Connection is not open"));
        }