phpstream\tests\unit\operations\DistinctOperationTest::testDistinct PHP Method

    public function testDistinct()
    {
        $data = [1, 4, 2, 3, '1', 3];
        $instance = new DistinctOperation($data, false);
        $result = iterator_to_array($instance);
        $this->assertEquals([0 => 1, 1 => 4, 2 => 2, 3 => 3], $result);
    }