function randomTest($N, $k)
{
$es = array();
$a = array();
for ($i = 0; $i < $k; $i++) {
$a[$i] = rand(0, $N);
}
$t1 = microtime(true);
$q = new QuickSort($a);
$q->sort();
return array('time' => microtime(true) - $t1, 'swaps' => $q->getSwaps(), 'compares' => $q->getCompares());
}
function reorder_data(&$array, $sort_type)
{
$sort_controller = new QuickSort(SortType::make_sort_type($sort_type));
$sort_controller->sort($array);
}
function testSortWhenManyRepeatedValuesInInput()
{
$sizes = array(30, 100, 300);
$distinctValues = 4;
foreach ($sizes as $size) {
$a = array();
$countOfInputArrayValues = array();
for ($i = 0; $i < $distinctValues; $i++) {
$countOfInputArrayValues[$i] = 0;
}
for ($i = 0; $i < $size; $i++) {
$a[$i] = $i % $distinctValues;
$countOfInputArrayValues[$i % $distinctValues] += 1;
}
$q = new QuickSort($a);
$sorted = $q->sort();
// Check ascending and count values
$countOfOutputArrayValues = array();
for ($i = 0; $i < $distinctValues; $i++) {
$countOfOutputArrayValues[$i] = 0;
}
for ($i = 0; $i < $size; $i++) {
if ($i > 0) {
$this->assertLessThanOrEqual($sorted[$i], $sorted[$i - 1], "Array is not descreasing");
}
$countOfOutputArrayValues[$sorted[$i]] += 1;
}
for ($i = 0; $i < $distinctValues; $i++) {
$this->assertEquals($countOfOutputArrayValues[$i], $countOfInputArrayValues[$i]);
}
}
}
<?php include dirname(__FILE__) . '/../src/autoload.php'; $a = array(20, 10, 50, 90, 30, 70, 60, 40, 80); print_r($a); $q = new QuickSort($a); $a = $q->sort(); print_r($a);