public function testUseFkQueryTwiceTwoAliases()
{
$q = BookQuery::create()->useAuthorQuery('a')->filterByFirstName('Leo')->endUse()->useAuthorQuery('b')->filterByLastName('Tolstoi')->endUse();
$join1 = new ModelJoin();
$join1->setJoinType(Criteria::LEFT_JOIN);
$join1->setTableMap(AuthorPeer::getTableMap());
$join1->setRelationMap(BookPeer::getTableMap()->getRelation('Author'), null, 'a');
$join1->setRelationAlias('a');
$join2 = new ModelJoin();
$join2->setJoinType(Criteria::LEFT_JOIN);
$join2->setTableMap(AuthorPeer::getTableMap());
$join2->setRelationMap(BookPeer::getTableMap()->getRelation('Author'), null, 'b');
$join2->setRelationAlias('b');
$q1 = BookQuery::create()->addAlias('a', AuthorPeer::TABLE_NAME)->addJoinObject($join1, 'a')->add('a.FIRST_NAME', 'Leo', Criteria::EQUAL)->addAlias('b', AuthorPeer::TABLE_NAME)->addJoinObject($join2, 'b')->add('b.LAST_NAME', 'Tolstoi', Criteria::EQUAL);
$this->assertTrue($q->equals($q1), 'useFkQuery() called twice on the same relation with two aliases creates two joins');
}