public function testContains()
{
$col = new PropelCollection();
$this->assertFalse($col->contains('foo_1'), 'contains() returns false on an empty collection');
$data = array('bar1', 'bar2', 'bar3');
$col = new PropelCollection($data);
$this->assertTrue($col->contains('bar1'), 'contains() returns true when the key exists');
$this->assertFalse($col->contains('bar4'), 'contains() returns false when the key does not exist');
}
