public function testGetPosition()
{
$col = new Collection();
$this->assertEquals(0, $col->getPosition(), 'getPosition() returns 0 on an empty collection');
$data = array('bar1', 'bar2', 'bar3');
$col = new Collection($data);
$expectedPositions = array(0, 1, 2);
foreach ($col as $element) {
$this->assertEquals(array_shift($expectedPositions), $col->getPosition(), 'getPosition() returns the current position');
$this->assertEquals($element, $col->getCurrent(), 'getPosition() does not change the current position');
}
}
