public void IsValidTest()
{
bool result = false;
Sequoiadb sdb2 = new Sequoiadb(config.conf.Coord.Address);
System.Console.WriteLine(config.conf.Coord.Address.ToString());
sdb2.Connect("", "");
Assert.IsNotNull(sdb2.Connection);
// check before disconnect
result = sdb2.IsValid();
Assert.IsTrue(result);
// check after disconnect
sdb2.Disconnect();
result = sdb2.IsValid();
Assert.IsFalse(result);
/*
// check after shutdown database manually
sdb2 = new Sequoiadb(config.conf.Coord.Address);
sdb2.Connect("", "");
result = true;
result = sdb2.IsValid();
Assert.IsFalse(result);
*/
}