function testIterateWithPaginationNonZeroOffset()
{
$data = array(array('x' => 'a'), array('x' => 'b'), array('x' => 'c'), array('x' => 'd'), array('x' => 'e'));
$iterator = new lmbCollection($data);
$iterator->paginate($offset = 2, $limit = 2);
$iterator->rewind();
$dataspace1 = $iterator->current();
$this->assertEqual($dataspace1->export(), array('x' => 'c'));
$iterator->next();
$dataspace2 = $iterator->current();
$this->assertEqual($dataspace2->export(), array('x' => 'd'));
}
function testSortByKeys()
{
$item1 = new lmbSet(array(1));
$item2 = new lmbSet(array(2));
$iterator = new lmbCollection();
$this->assertTrue($iterator->isEmpty());
$iterator->add($item1, 1);
$this->assertFalse($iterator->isEmpty());
$iterator->add($item2, 0);
$iterator->sortByKeys();
$iterator->rewind();
$this->assertTrue($iterator->valid());
$this->assertEqual($iterator->current(), $item2);
$iterator->next();
$this->assertEqual($iterator->current(), $item1);
}
