public function testDropIndexByName()
{
// single column index
$table = new \Phinx\Db\Table('table1', array(), $this->adapter);
$table->addColumn('email', 'string')->addIndex('email', array('name' => 'myemailindex'))->save();
$this->assertTrue($table->hasIndex('email'));
$this->adapter->dropIndexByName($table->getName(), 'myemailindex');
$this->assertFalse($table->hasIndex('email'));
// multiple column index
$table2 = new \Phinx\Db\Table('table2', array(), $this->adapter);
$table2->addColumn('fname', 'string')->addColumn('lname', 'string')->addIndex(array('fname', 'lname'), array('name' => 'twocolumnuniqueindex', 'unique' => true))->save();
$this->assertTrue($table2->hasIndex(array('fname', 'lname')));
$this->adapter->dropIndexByName($table2->getName(), 'twocolumnuniqueindex');
$this->assertFalse($table2->hasIndex(array('fname', 'lname')));
}