function testIntegratedQueryUnique()
{
$numbers = new qinq\Collection([1, 1, 2, 2, 2, 4, 4, 4, 5, 5, 5]);
$matches = [1, 2, 4, 5];
foreach ($numbers->unique() as $number) {
$match = array_shift($matches);
$this->assertEquals($match, $number);
}
}