public function testFactoryUpperCaseKeyOk()
 {
     $factory = new PlatformFactory();
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\DB2Platform', $factory->create('DB2'));
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\MySqlPlatform', $factory->create('MYSQL'));
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\OraclePlatform', $factory->create('ORACLE'));
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\PostgreSqlPlatform', $factory->create('POSTGRESQL'));
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\SqlitePlatform', $factory->create('SQLITE'));
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\SQLServer2005Platform', $factory->create('SQLSERVER2005'));
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\SQLServer2008Platform', $factory->create('SQLSERVER2008'));
     $this->assertInstanceOf('Doctrine\\DBAL\\Platforms\\SQLServerPlatform', $factory->create('SQLSERVER'));
 }