Opis\Colibri\Test\CommonTest::testClosureUseSelfInArray PHP Method

    public function testClosureUseSelfInArray()
    {
        $a = array();
        $b = function () use(&$a) {
            return $a[0];
        };
        $a[] = $b;
        $u = $this->s($b);
        $this->assertEquals($u, $u());
    }