<?php namespace PharIo\Manifest; use DOMDocument; class ExtElementCollectionTest extends \PHPUnit\Framework\TestCase { public function testComponentElementCanBeRetrievedFromCollection() { $dom = new DOMDocument(); $dom->loadXML('<?xml version="1.0" ?><ext xmlns="https://phar.io/xml/manifest/1.0" />'); $collection = new ExtElementCollection($dom->childNodes); foreach($collection as $position => $extElement) { $this->assertInstanceOf(ExtElement::class, $extElement); $this->assertEquals(0, $position); } } }