Also check the inverse function in tests

Author: Lars Vierbergen

test.php

@@ -163,6 +163,7 @@ function testSatisfiedBy() {
 			foreach($satisfies as $version) {
 				$v=new version($version);
 				$this->assertTrue($e->satisfiedBy($v), '['.$range.' :: '.$version.'] %s');
+				$this->assertTrue($v->satisfies($e), '['.$range.' :: '.$version.'] %s');
 			}
 		}
 	}

version.php

@@ -195,7 +195,7 @@ function __construct($version) {
 		parent::__construct($version);
 	}
 	function satisfies(versionExpression $versions) {
-		return $versions->satisfiedBy($this->getString());
+		return $versions->satisfiedBy($this);
 	}
 }
 class versionException extends Exception {}