1 files changed, 83 insertions, 0 deletions
diff --git a/modules/simpletest/tests/form_test.module b/modules/simpletest/tests/form_test.module
index ffc777c42..efd26b773 100644
--- a/modules/simpletest/tests/form_test.module
+++ b/modules/simpletest/tests/form_test.module
@@ -70,6 +70,14 @@ function form_test_menu() {
     'type' => MENU_CALLBACK,
   );
 
+  $items['form-test/checkbox'] = array(
+    'title' => t('Form test'),
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('_form_test_checkbox'),
+    'access callback' => TRUE,
+    'type' => MENU_CALLBACK,
+  );
+
   return $items;
 }
 
@@ -393,3 +401,78 @@ function form_test_form_state_values_clean_form_submit($form, &$form_state) {
   drupal_json_output($form_state['values']);
   exit;
 }
+
+/**
+ * Build a form to test a checkbox.
+ */
+function _form_test_checkbox($form, &$form_state) {
+  // A required checkbox.
+  $form['required_checkbox'] = array(
+    '#type' => 'checkbox',
+    '#required' => TRUE,
+    '#title' => 'required_checkbox',
+  );
+
+  // A disabled checkbox should get its default value back.
+  $form['disabled_checkbox_on'] = array(
+    '#type' => 'checkbox',
+    '#disabled' => TRUE,
+    '#return_value' => 'disabled_checkbox_on',
+    '#default_value' => 'disabled_checkbox_on',
+    '#title' => 'disabled_checkbox_on',
+  );
+  $form['disabled_checkbox_off'] = array(
+    '#type' => 'checkbox',
+    '#disabled' => TRUE,
+    '#return_value' => 'disabled_checkbox_off',
+    '#default_value' => NULL,
+    '#title' => 'disabled_checkbox_off',
+  );
+
+  // A checkbox is active when #default_value == #return_value.
+  $form['checkbox_on'] = array(
+    '#type' => 'checkbox',
+    '#return_value' => 'checkbox_on',
+    '#default_value' => 'checkbox_on',
+    '#title' => 'checkbox_on',
+  );
+
+  // But inactive in any other case.
+  $form['checkbox_off'] = array(
+    '#type' => 'checkbox',
+    '#return_value' => 'checkbox_off',
+    '#default_value' => 'checkbox_on',
+    '#title' => 'checkbox_off',
+  );
+
+  // Checkboxes with a #return_value of '0' are supported.
+  $form['zero_checkbox_on'] = array(
+    '#type' => 'checkbox',
+    '#return_value' => '0',
+    '#default_value' => '0',
+    '#title' => 'zero_checkbox_on',
+  );
+
+  // In that case, passing a #default_value != '0' means that the checkbox is off.
+  $form['zero_checkbox_off'] = array(
+    '#type' => 'checkbox',
+    '#return_value' => '0',
+    '#default_value' => '1',
+    '#title' => 'zero_checkbox_off',
+  );
+
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Submit')
+  );
+
+  return $form;
+}
+
+/**
+ * Return the form values via JSON.
+ */
+function _form_test_checkbox_submit($form, &$form_state) {
+  drupal_json_output($form_state['values']);
+  exit();
+}