TestDataCollectionIterator.php

<?php

declare (strict_types=1);

/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Event\TestData;

use function count;
use Iterator;

/**
 * @template-implements Iterator<int, TestData>
 *
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
 */
final class TestDataCollectionIterator implements Iterator {
    
    /**
     * @psalm-var list<TestData>
     */
    private readonly array $data;
    private int $position = 0;
    public function __construct(TestDataCollection $data) {
        $this->data = $data->asArray();
    }
    public function rewind() : void {
        $this->position = 0;
    }
    public function valid() : bool {
        return $this->position < count($this->data);
    }
    public function key() : int {
        return $this->position;
    }
    public function current() : TestData {
        return $this->data[$this->position];
    }
    public function next() : void {
        $this->position++;
    }

}