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34 lines
1.0 KiB
34 lines
1.0 KiB
<?php
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/**
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* @license MIT
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* Copyright 2017 Dustin Wilson, J. King, et al.
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* See LICENSE and AUTHORS files for details
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*/
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declare(strict_types=1);
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namespace MensBeam\HTML\DOM\TestCase;
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use MensBeam\HTML\DOM\{
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Document,
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DOMException,
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Element,
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Node
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};
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/** @covers \MensBeam\HTML\DOM\NonDocumentTypeChildNode */
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class TestNonDocumentTypeChildNode extends \PHPUnit\Framework\TestCase {
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public function testProperty_nextElementSibling_previousElementSibling(): void {
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$d = new Document('<!DOCTYPE html><html><body></body></html>');
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$body = $d->body;
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$br = $body->appendChild($d->createElement('br'));
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$body->appendChild($d->createTextNode('eek'));
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$ook = $body->appendChild($d->createTextNode('ook'));
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$br2 = $body->appendChild($d->createElement('br'));
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$this->assertSame($br2, $br->nextElementSibling);
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$this->assertNull($br2->nextElementSibling);
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$this->assertSame($br, $ook->previousElementSibling);
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$this->assertNull($br->previousElementSibling);
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}
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}
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