public function testAddUsingAliasTrueAliasTwice()
{
$c1 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Book');
$c1->setModelAlias('b', true);
$c1->addUsingAlias(BookTableMap::COL_TITLE, 'foo');
$c1->addUsingAlias(BookTableMap::COL_TITLE, 'bar');
$c2 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Book');
$c2->setModelAlias('b', true);
$c2->add('b.title', 'foo');
$c2->addAnd('b.title', 'bar');
$this->assertEquals($c2, $c1, 'addUsingalias() translates to addAnd() when the table already has a condition on the column');
}