Test functionality of the tableselect #js_select property.
function _form_test_tableselect_js_select_form($form, $form_state, $action) {
switch ($action) {
case 'multiple-true-default':
$options = array(
'#multiple' => TRUE,
);
break;
case 'multiple-false-default':
$options = array(
'#multiple' => FALSE,
);
break;
case 'multiple-true-no-advanced-select':
$options = array(
'#multiple' => TRUE,
'#js_select' => FALSE,
);
break;
case 'multiple-false-advanced-select':
$options = array(
'#multiple' => FALSE,
'#js_select' => TRUE,
);
break;
}
return _form_test_tableselect_form_builder($form, $form_state, $options);
}