--- /dev/null
+<?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');
+
+ }
+
+}