Index: modules/simpletest/tests/form.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/tests/form.test,v
retrieving revision 1.78
diff -u -p -r1.78 form.test
--- modules/simpletest/tests/form.test	21 Dec 2010 21:05:22 -0000	1.78
+++ modules/simpletest/tests/form.test	26 Dec 2010 15:07:07 -0000
@@ -123,6 +123,43 @@ class FormsTestCase extends DrupalWebTes
   }
 
   /**
+   * Tests #required checkboxes and radios.
+   *
+   * This is a functional test while testRequiredFields above attempts unit.
+   *
+   * @see form_test_validate_required_form()
+   */
+  function testRequiredCheckboxesRadio() {
+    $form = $form_state = array();
+    $form = form_test_validate_required_form($form, $form_state);
+
+    // Verify each error message shows when required value not selected.
+    $edit = array();
+    $this->drupalPost('form-test/validate-required', $edit, 'Submit');
+
+    foreach (array('textfield', 'checkboxes', 'select', 'radios') as $key) {
+      $this->assertText(t('!name field is required.', array('!name' => $form[$key]['#title'])));
+    }
+
+    // The unhelpful catch-all generic error should not appear.
+    $this->assertNoText(t('An illegal choice has been detected. Please contact the site administrator.'));
+
+    // Verify that no error appears with valid values.
+    $edit = array(
+      'textfield' => $this->randomString(),
+      'checkboxes[foo]' => TRUE,
+      'select' => 'foo',
+      'radios' => 'bar',
+    );
+    $this->drupalPost('form-test/validate-required', $edit, 'Submit');
+
+    foreach (array('textfield', 'checkboxes', 'select', 'radios') as $key) {
+      $this->assertNoText(t('!name field is required.', array('!name' => $form[$key]['#title'])));
+    }
+    $this->assertNoText(t('An illegal choice has been detected. Please contact the site administrator.'));
+  }
+
+  /**
    * Test default value handling for checkboxes.
    *
    * @see _form_test_checkbox()
Index: modules/simpletest/tests/form_test.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/tests/form_test.module,v
retrieving revision 1.58
diff -u -p -r1.58 form_test.module
--- modules/simpletest/tests/form_test.module	21 Dec 2010 21:05:22 -0000	1.58
+++ modules/simpletest/tests/form_test.module	26 Dec 2010 15:07:08 -0000
@@ -24,6 +24,12 @@ function form_test_menu() {
     'access arguments' => array('access content'),
     'type' => MENU_CALLBACK,
   );
+  $items['form-test/validate-required'] = array(
+    'title' => 'Form #required validation',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('form_test_validate_required_form'),
+    'access callback' => TRUE,
+  );
   $items['form-test/limit-validation-errors'] = array(
     'title' => 'Form validation with some error suppression',
     'page callback' => 'drupal_get_form',
@@ -333,6 +339,38 @@ function form_test_validate_form_validat
 }
 
 /**
+ * Form constructor for simple #required tests.
+ */
+function form_test_validate_required_form($form, &$form_state) {
+  $form['textfield'] = array(
+    '#type' => 'textfield',
+    '#title' => 'Name',
+    '#required' => TRUE,
+  );
+  $form['checkboxes'] = array(
+    '#type' => 'checkboxes',
+    '#title' => 'Checkboxes',
+    '#options' => drupal_map_assoc(array('foo', 'bar')),
+    '#required' => TRUE,
+  );
+  $form['select'] = array(
+    '#type' => 'select',
+    '#title' => 'Select',
+    '#options' => drupal_map_assoc(array('foo', 'bar')),
+    '#required' => TRUE,
+  );
+  $form['radios'] = array(
+    '#type' => 'radios',
+    '#title' => 'Radios',
+    '#options' => drupal_map_assoc(array('foo', 'bar')),
+    '#required' => TRUE,
+  );
+  $form['actions'] = array('#type' => 'actions');
+  $form['actions']['submit'] = array('#type' => 'submit', '#value' => 'Submit');
+  return $form;
+}
+
+/**
  * Builds a simple form with a button triggering partial validation.
  */
 function form_test_limit_validation_errors_form($form, &$form_state) {