public function testGeneratesConstraintCreationSql()
{
$idx = new \Doctrine\DBAL\Schema\Index('constraint_name', array('test'), true, false);
$sql = $this->_platform->getCreateConstraintSQL($idx, 'test');
$this->assertEquals($this->getGenerateConstraintUniqueIndexSql(), $sql);
$pk = new \Doctrine\DBAL\Schema\Index('constraint_name', array('test'), true, true);
$sql = $this->_platform->getCreateConstraintSQL($pk, 'test');
$this->assertEquals($this->getGenerateConstraintPrimaryIndexSql(), $sql);
$fk = new \Doctrine\DBAL\Schema\ForeignKeyConstraint(array('fk_name'), 'foreign', array('id'), 'constraint_fk');
$sql = $this->_platform->getCreateConstraintSQL($fk, 'test');
$this->assertEquals($this->getGenerateConstraintForeignKeySql(), $sql);
}