public function testReverse()
{
$c = new Collection('int', [1, 2, 3]);
$r = $c->reverse();
$this->assertEquals([3, 2, 1], $r->toArray());
$this->assertEquals([1, 2, 3], $c->toArray());
}
public function testToArray()
{
$items = array();
$items[] = new TestClassA(1);
$items[] = new TestClassA(2);
$items[] = new TestClassA(3);
$col = new Collection('TestClassA', $items);
$this->assertEquals($items, $col->toArray());
}
public function test_sorts_with_callback()
{
$col = new Collection('int', [3, 1, 4, 2]);
$comparator = function ($a, $b) {
if ($a == $b) {
return 0;
}
return $a < $b ? -1 : 1;
};
$sorted = $col->sort($comparator);
$this->assertEquals(1, $sorted->at(0));
$this->assertEquals(2, $sorted->at(1));
$this->assertEquals(3, $sorted->at(2));
$this->assertEquals(4, $sorted->at(3));
//collection is unchanged
$this->assertEquals([3, 1, 4, 2], $col->toArray());
}