function testQuickFindRandom()
{
$trials = 100;
for ($i = 0; $i < $trials; $i++) {
$size = rand(1, 10);
$shuffled = QuickSort::shuffle(range(1, 10));
$x = rand(1, $size);
$q = new QuickSort($shuffled);
$y = $q->find($x);
$this->assertEquals($x, $y, "Quick find found incorrect value for {$x} th item in list");
}
}