friendica-addons/dav/sabre-vobject/tests/Sabre/VObject/VersionTest.php

<?php

namespace Sabre\VObject;

class VersionTest extends \PHPUnit_Framework_TestCase {

    function testString() {

        $v = Version::VERSION;
        $this->assertEquals(-1, version_compare('0.9.0',$v));

        $s = Version::STABILITY;
        $this->assertTrue($s == 'alpha' || $s == 'beta' || $s =='stable');

    }

}