2 files changed, 129 insertions, 0 deletions

diff --git a/modules/simpletest/tests/form.test b/modules/simpletest/tests/form.test
index 4661ad25f..1f76318f5 100644
--- a/modules/simpletest/tests/form.test
+++ b/modules/simpletest/tests/form.test
@@ -1352,3 +1352,84 @@ class FormsFileInclusionTestCase extends DrupalWebTestCase {
     $this->assertText('Submit callback called.');
   }
 }
+
+/**
+ * Tests checkbox element.
+ */
+class FormCheckboxTestCase extends DrupalWebTestCase {
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Form API checkbox',
+      'description' => 'Tests form API checkbox handling of various combinations of #default_value and #return_value.',
+      'group' => 'Form API',
+    );
+  }
+
+  function setUp() {
+    parent::setUp('form_test');
+  }
+
+  function testFormCheckbox() {
+    // Ensure that the checked state is determined and rendered correctly for
+    // tricky combinations of default and return values.
+    foreach (array(FALSE, NULL, TRUE, 0, '0', '', 1, '1', 'foobar', '1foobar') as $default_value) {
+      // Only values that can be used for array indeces are supported for
+      // #return_value, with the exception of integer 0, which is not supported.
+      // @see form_process_checkbox().
+      foreach (array('0', '', 1, '1', 'foobar', '1foobar') as $return_value) {
+        $form_array = drupal_get_form('form_test_checkbox_type_juggling', $default_value, $return_value);
+        $form = drupal_render($form_array);
+        if ($default_value === TRUE) {
+          $checked = TRUE;
+        }
+        elseif ($return_value === '0') {
+          $checked = ($default_value === '0');
+        }
+        elseif ($return_value === '') {
+          $checked = ($default_value === '');
+        }
+        elseif ($return_value === 1 || $return_value === '1') {
+          $checked = ($default_value === 1 || $default_value === '1');
+        }
+        elseif ($return_value === 'foobar') {
+          $checked = ($default_value === 'foobar');
+        }
+        elseif ($return_value === '1foobar') {
+          $checked = ($default_value === '1foobar');
+        }
+        $checked_in_html = strpos($form, 'checked') !== FALSE;
+        $message = t('#default_value is %default_value #return_value is %return_value.', array('%default_value' => var_export($default_value, TRUE), '%return_value' => var_export($return_value, TRUE)));
+        $this->assertIdentical($checked, $checked_in_html, $message);
+      }
+    }
+
+    // Ensure that $form_state['values'] is populated correctly for a checkboxes
+    // group that includes a 0-indexed array of options.
+    $results = json_decode($this->drupalPost('form-test/checkboxes-zero', array(), 'Save'));
+    $this->assertIdentical($results->checkbox_off, array(0, 0, 0), t('All three in checkbox_off are zeroes: off.'));
+    $this->assertIdentical($results->checkbox_zero_default, array('0', 0, 0), t('The first choice is on in checkbox_zero_default'));
+    $this->assertIdentical($results->checkbox_string_zero_default, array('0', 0, 0), t('The first choice is on in checkbox_string_zero_default'));
+    $edit = array('checkbox_off[0]' => '0');
+    $results = json_decode($this->drupalPost('form-test/checkboxes-zero', $edit, 'Save'));
+    $this->assertIdentical($results->checkbox_off, array('0', 0, 0), t('The first choice is on in checkbox_off but the rest is not'));
+
+    // Ensure that each checkbox is rendered correctly for a checkboxes group
+    // that includes a 0-indexed array of options.
+    $this->drupalPost('form-test/checkboxes-zero/0', array(), 'Save');
+    $checkboxes = $this->xpath('//input[@type="checkbox"]');
+    foreach ($checkboxes as $checkbox) {
+      $checked = isset($checkbox['checked']);
+      $name = (string) $checkbox['name'];
+      $this->assertIdentical($checked, $name == 'checkbox_zero_default[0]' || $name == 'checkbox_string_zero_default[0]', t('Checkbox %name correctly checked', array('%name' => $name)));
+    }
+    $edit = array('checkbox_off[0]' => '0');
+    $this->drupalPost('form-test/checkboxes-zero/0', $edit, 'Save');
+    $checkboxes = $this->xpath('//input[@type="checkbox"]');
+    foreach ($checkboxes as $checkbox) {
+      $checked = isset($checkbox['checked']);
+      $name = (string) $checkbox['name'];
+      $this->assertIdentical($checked, $name == 'checkbox_off[0]' || $name == 'checkbox_zero_default[0]' || $name == 'checkbox_string_zero_default[0]', t('Checkbox %name correctly checked', array('%name' => $name)));
+    }
+  }
+}
diff --git a/modules/simpletest/tests/form_test.module b/modules/simpletest/tests/form_test.module
index fbeb6de45..4d717c04b 100644
--- a/modules/simpletest/tests/form_test.module
+++ b/modules/simpletest/tests/form_test.module
@@ -175,6 +175,13 @@ function form_test_menu() {
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
   );
+  $items['form-test/checkboxes-zero'] = array(
+    'title' => 'FAPI test involving checkboxes and zero',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('form_test_checkboxes_zero'),
+    'access callback' => TRUE,
+    'type' => MENU_CALLBACK,
+  );
 
   return $items;
 }
@@ -1395,3 +1402,44 @@ function form_test_load_include_custom($form, &$form_state) {
   $form_state['cache'] = TRUE;
   return $form;
 }
+
+function form_test_checkbox_type_juggling($form, $form_state, $default_value, $return_value) {
+  $form['checkbox'] = array(
+    '#type' => 'checkbox',
+    '#return_value' => $return_value,
+    '#default_value' => $default_value,
+  );
+  return $form;
+}
+
+function form_test_checkboxes_zero($form, &$form_state, $json = TRUE) {
+  $form['checkbox_off'] = array(
+    '#type' => 'checkboxes',
+    '#options' => array('foo', 'bar', 'baz'),
+  );
+  $form['checkbox_zero_default'] = array(
+    '#type' => 'checkboxes',
+    '#options' => array('foo', 'bar', 'baz'),
+    '#default_value' => array(0),
+  );
+  $form['checkbox_string_zero_default'] = array(
+    '#type' => 'checkboxes',
+    '#options' => array('foo', 'bar', 'baz'),
+    '#default_value' => array('0'),
+  );
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => 'Save',
+  );
+  if ($json) {
+    $form['#submit'][] = '_form_test_checkbox_submit';
+  }
+  else {
+    $form['#submit'][] = '_form_test_checkboxes_zero_no_redirect';
+  }
+  return $form;
+}
+
+function _form_test_checkboxes_zero_no_redirect($form, &$form_state) {
+  $form_state['redirect'] = FALSE;
+}