public function test_getElementsInPreOrder()
{
$form['a'] = $this->eArray('textfield', 'a', 'a', 1);
$form['fieldset'] = $this->eArray('fieldset', 'fs', 'fieldset');
$form['fieldset']['b'] = $this->eArray('textfield', 'b', 'b', 0, 'fs');
$form['fieldset']['c'] = array('#markup' => 'Not a form_builder element');
$form_obj = new FormBuilderFormBase('webform', 'test', NULL, array(), $form);
$expected = array('fs', 'b', 'a');
$this->assertEqual($expected, array_keys($form_obj->getElementsInPreOrder()));
}
