laravel5/vendor/phar-io/manifest/tests/xml/ExtensionElementTest.php

<?php

namespace PharIo\Manifest;

class ExtensionElementTest extends \PHPUnit\Framework\TestCase {
    /**
     * @var ExtensionElement
     */
    private $extension;

    protected function setUp() {
        $dom = new \DOMDocument();
        $dom->loadXML('<?xml version="1.0" ?><extension xmlns="https://phar.io/xml/manifest/1.0" for="phar-io/phive" compatible="~0.6" />');
        $this->extension = new ExtensionElement($dom->documentElement);
    }

    public function testNForCanBeRetrieved() {
        $this->assertEquals('phar-io/phive', $this->extension->getFor());
    }

    public function testCompatibleVersionConstraintCanBeRetrieved() {
        $this->assertEquals('~0.6', $this->extension->getCompatible());
    }

}