diff --git a/core/modules/simpletest/tests/form.test b/core/modules/simpletest/tests/form.test
index cd61d93..eb77d6b 100644
--- a/core/modules/simpletest/tests/form.test
+++ b/core/modules/simpletest/tests/form.test
@@ -1631,3 +1631,41 @@ class FormCheckboxTestCase extends DrupalWebTestCase {
     }
   }
 }
+
+/**
+ * Tests url element.
+ */
+class FormUrlTestCase extends DrupalWebTestCase {
+  protected $profile = 'testing';
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Form API url',
+      'description' => 'Tests the form API url element.',
+      'group' => 'Form API',
+    );
+  }
+
+  public function setUp() {
+    parent::setUp('form_test');
+  }
+
+  /**
+   * Tests that #type 'url' fields are properly validated and trimmed.
+   */
+  function testFormUrl() {
+    $edit = array();
+    $edit['url'] = 'http://';
+    $edit['url_required'] = ' ';
+    $this->drupalPost('form-test/url', $edit, 'Submit');
+    $this->assertRaw(t('The URL %url is not valid.', array('%url' => 'http://')));
+    $this->assertRaw(t('!name field is required.', array('!name' => 'Required URL')));
+
+    $edit = array();
+    $edit['url'] = "\n";
+    $edit['url_required'] = 'http://example.com/   ';
+    $values = drupal_json_decode($this->drupalPost('form-test/url', $edit, 'Submit'));
+    $this->assertIdentical($values['url'], '');
+    $this->assertEqual($values['url_required'], 'http://example.com/');
+  }
+}
diff --git a/core/modules/simpletest/tests/form_test.module b/core/modules/simpletest/tests/form_test.module
index dd243b4..1d89676 100644
--- a/core/modules/simpletest/tests/form_test.module
+++ b/core/modules/simpletest/tests/form_test.module
@@ -125,6 +125,12 @@ function form_test_menu() {
     'page arguments' => array('form_test_checkboxes_radios'),
     'access callback' => TRUE,
   );
+  $items['form-test/url'] = array(
+    'title' => t('URL'),
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('form_test_url'),
+    'access callback' => TRUE,
+  );
 
   $items['form-test/disabled-elements'] = array(
     'title' => t('Form test'),
@@ -1098,6 +1104,39 @@ function form_test_checkboxes_radios($form, &$form_state, $customize = FALSE) {
 }
 
 /**
+ * Form consructor for testing #type 'url' elements.
+ *
+ * @see form_test_url_submit()
+ * @ingroup forms
+ */
+function form_test_url($form, &$form_state) {
+  $form['url'] = array(
+    '#type' => 'url',
+    '#title' => 'Optional URL',
+    '#description' => 'An optional URL field.',
+  );
+  $form['url_required'] = array(
+    '#type' => 'url',
+    '#title' => 'Required URL',
+    '#description' => 'A required URL field.',
+    '#required' => TRUE,
+  );
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => 'Submit',
+  );
+  return $form;
+}
+
+/**
+ * Form submission handler for form_test_url().
+ */
+function form_test_url_submit($form, &$form_state) {
+  drupal_json_output($form_state['values']);
+  exit();
+}
+
+/**
  * Build a form to test disabled elements.
  */
 function _form_test_disabled_elements($form, &$form_state) {