/**
* Tests sorting a complex structure with a deep path
*
* @return void
*/
public function testSortComplexDeepPath()
{
$items = new ArrayObject([['foo' => ['bar' => 1], 'bar' => 'a'], ['foo' => ['bar' => 12], 'bar' => 'a'], ['foo' => ['bar' => 10], 'bar' => 'a'], ['foo' => ['bar' => 2], 'bar' => 'a']]);
$sorted = new SortIterator($items, 'foo.bar', SORT_ASC, SORT_NUMERIC);
$expected = [['foo' => ['bar' => 1], 'bar' => 'a'], ['foo' => ['bar' => 2], 'bar' => 'a'], ['foo' => ['bar' => 10], 'bar' => 'a'], ['foo' => ['bar' => 12], 'bar' => 'a']];
$this->assertEquals($expected, $sorted->toList());
}
/**
* {@inheritDoc}
*
*/
public function min($callback, $type = SORT_NUMERIC)
{
$sorted = new SortIterator($this, $callback, SORT_ASC, $type);
return $sorted->top();
}
/**
* Tests sorting datetime
*
* @return void
*/
public function testSortDateTime()
{
$items = new ArrayObject([new \DateTime('2014-07-21'), new \DateTime('2015-06-30'), new \DateTime('2013-08-12')]);
$a = new \DateTime();
$callback = function ($a) {
return $a->add(new \DateInterval('P1Y'));
};
$sorted = new SortIterator($items, $callback);
$expected = [new \DateTime('2016-06-30'), new \DateTime('2015-07-21'), new \DateTime('2014-08-12')];
$this->assertEquals($expected, $sorted->toList());
$items = new ArrayObject([new \DateTime('2014-07-21'), new \DateTime('2015-06-30'), new \DateTime('2013-08-12')]);
$sorted = new SortIterator($items, $callback, SORT_ASC);
$expected = [new \DateTime('2014-08-12'), new \DateTime('2015-07-21'), new \DateTime('2016-06-30')];
$this->assertEquals($expected, $sorted->toList());
}
/**
* Tests top
*
* @return void
*/
public function testTop()
{
$items = new ArrayObject([3, 5, 1, 2, 4]);
$identity = function ($a) {
return $a;
};
$sorted = new SortIterator($items, $identity);
$this->assertEquals(5, $sorted->top());
$sorted = new SortIterator([], $identity);
$this->assertNull($sorted->top());
}