public function testLimit()
{
MockDatabasePost::find('all', array('limit' => 15));
$result = $this->_db->sql;
$expected = 'SELECT * FROM {mock_database_posts} AS {MockDatabasePost} LIMIT 15;';
$this->assertEqual($expected, $result);
MockDatabasePost::find('all', array('limit' => 10, 'page' => 3));
$result = $this->_db->sql;
$expected = 'SELECT * FROM {mock_database_posts} AS {MockDatabasePost} LIMIT 10 OFFSET 20;';
$this->assertEqual($expected, $result);
}