NativeExtensionTest.php

<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
class Twig_Tests_NativeExtensionTest extends PHPUnit_Framework_TestCase {
  public function testGetProperties() {
    $twig = new Twig_Environment(new Twig_Loader_String(), array(
      'debug' => true,
      'cache' => false,
      'autoescape' => false,
    ));
    $d1 = new DateTime();
    $d2 = new DateTime();
    $output = $twig
      ->render('{{ d1.date }}{{ d2.date }}', compact('d1', 'd2'));

    // If it fails, PHP will crash.
    $this
      ->assertEquals($output, $d1->date . $d2->date);
  }

}