public function testMergeWithJoins()
{
$c1 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Book', 'b');
$c1->leftJoin('b.Author a');
$c2 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Author');
$c1->mergeWith($c2);
$joins = $c1->getJoins();
$this->assertEquals(1, count($joins), 'mergeWith() does not remove an existing join');
$this->assertEquals('LEFT JOIN author a ON (book.author_id=a.id)', $joins['a']->toString(), 'mergeWith() does not remove an existing join');
$c1 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Book', 'b');
$c2 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Book', 'b');
$c2->leftJoin('b.Author a');
$c1->mergeWith($c2);
$joins = $c1->getJoins();
$this->assertEquals(1, count($joins), 'mergeWith() merge joins to an empty join');
$this->assertEquals('LEFT JOIN author a ON (book.author_id=a.id)', $joins['a']->toString(), 'mergeWith() merge joins to an empty join');
$c1 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Book', 'b');
$c1->leftJoin('b.Author a');
$c2 = new ModelCriteria('bookstore', 'Propel\\Tests\\Bookstore\\Book', 'b');
$c2->innerJoin('b.Publisher p');
$c1->mergeWith($c2);
$joins = $c1->getJoins();
$this->assertEquals(2, count($joins), 'mergeWith() merge joins to an existing join');
$this->assertEquals('LEFT JOIN author a ON (book.author_id=a.id)', $joins['a']->toString(), 'mergeWith() merge joins to an empty join');
$this->assertEquals('INNER JOIN publisher p ON (book.publisher_id=p.id)', $joins['p']->toString(), 'mergeWith() merge joins to an empty join');
}