<?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');
  
      }
  
  }