public function test_offset()
{
$arc = new ArrayCollection(array('aap', 'aap', 'noot', 'mies'));
$this->assertTrue($arc->offsetExists(0));
$this->assertTrue($arc->offsetExists(1));
$this->assertFalse($arc->offsetExists(4));
$this->assertEquals($arc->offsetGet(0), 'aap');
$this->assertEquals($arc->offsetGet(2), 'noot');
$arc->offsetSet(2, 'zus');
$this->assertEquals($arc->offsetGet(2), 'zus');
$arc->offsetUnset(0);
$this->assertFalse($arc->offsetExists(0));
$this->assertTrue($arc->offsetExists(1));
}
/** {@inheritDoc} */
public function offsetExists($offset)
{
$this->initialize();
return $this->collection->offsetExists($offset);
}