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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Tests\Unit\Node;
use League\CommonMark\Extension\CommonMark\Node\Inline\Emphasis;
use League\CommonMark\Node\Block\Document;
use League\CommonMark\Node\Block\Paragraph;
use League\CommonMark\Node\Inline\Text;
use PHPUnit\Framework\TestCase;
final class NodeIteratorTest extends TestCase
{
public function testIterator(): void
{
$document = new Document();
$document->appendChild($paragraph1 = new Paragraph());
$paragraph1->appendChild($text1 = new Text());
$paragraph1->appendChild($emphasis = new Emphasis('*'));
$emphasis->appendChild($text2 = new Text());
$document->appendChild($paragraph2 = new Paragraph());
$paragraph2->appendChild($text3 = new Text());
$iterator = $document->iterator();
$expected = [
0 => $document,
1 => $paragraph1,
2 => $text1,
3 => $emphasis,
4 => $text2,
5 => $paragraph2,
6 => $text3,
];
$this->assertSame($expected, \iterator_to_array($iterator));
}
public function testSiblingChangesWhileIterating(): void
{
$document = new Document();
$document->appendChild($paragraph1 = new Paragraph());
$paragraph1->appendChild($text1 = new Text());
$paragraph1->appendChild($emphasis = new Emphasis('*'));
$emphasis->appendChild($text2 = new Text());
$paragraph1->appendChild($text3 = new Text());
$this->assertCount(6, \iterator_to_array($document->iterator()));
$nodes = [];
foreach ($document->iterator() as $node) {
$nodes[] = $node;
// While iterating, removing the next() sibling node
if ($node === $text1) {
$emphasis->detach();
}
}
$this->assertCount(6, $nodes); // All of the nodes were visited, including the detached sibling...
$this->assertCount(4, \iterator_to_array($document->iterator())); // Even though that emphasis and its child were actually removed
}
}
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