1 files changed, 71 insertions, 0 deletions
diff --git a/modules/simpletest/tests/form.test b/modules/simpletest/tests/form.test
index 3c447d14d..4683fb8d4 100644
--- a/modules/simpletest/tests/form.test
+++ b/modules/simpletest/tests/form.test
@@ -850,6 +850,77 @@ class FormsProgrammaticTestCase extends DrupalWebTestCase {
   }
 }
 
+/**
+ * Test that FAPI correctly determines $form_state['clicked_button'].
+ */
+class FormsClickedButtonTestCase extends DrupalWebTestCase {
+
+  function getInfo() {
+    return array(
+      'name' => 'Form clicked button determination',
+      'description' => 'Test the determination of $form_state[\'clicked_button\'].',
+      'group' => 'Form API',
+    );
+  }
+
+  function setUp() {
+    parent::setUp('form_test');
+  }
+
+  /**
+   * Test the determination of $form_state['clicked_button'] when no button
+   * information is included in the POST data, as is sometimes the case when
+   * the ENTER key is pressed in a textfield in Internet Explorer.
+   */
+  function testNoButtonInfoInPost() {
+    $path = 'form-test/clicked-button';
+    $edit = array();
+    $form_id = 'form-test-clicked-button';
+
+    // Ensure submitting a form with no buttons results in no
+    // $form_state['clicked_button'] and the form submit handler not running.
+    drupal_static_reset('drupal_html_id');
+    $this->drupalPost($path, $edit, NULL, array(), array(), $form_id);
+    $this->assertText('There is no clicked button.', t('$form_state[\'clicked_button\'] set to NULL.'));
+    $this->assertNoText('Submit handler for form_test_clicked_button executed.', t('Form submit handler did not execute.'));
+
+    // Ensure submitting a form with one or more submit buttons results in
+    // $form_state['clicked_button'] being set to the first one the user has
+    // access to. An argument with 'r' in it indicates a restricted
+    // (#access=FALSE) button.
+    drupal_static_reset('drupal_html_id');
+    $this->drupalPost($path . '/s', $edit, NULL, array(), array(), $form_id);
+    $this->assertText('The clicked button is button1.', t('$form_state[\'clicked_button\'] set to only button.'));
+    $this->assertText('Submit handler for form_test_clicked_button executed.', t('Form submit handler executed.'));
+    drupal_static_reset('drupal_html_id');
+    $this->drupalPost($path . '/s/s', $edit, NULL, array(), array(), $form_id);
+    $this->assertText('The clicked button is button1.', t('$form_state[\'clicked_button\'] set to first button.'));
+    $this->assertText('Submit handler for form_test_clicked_button executed.', t('Form submit handler executed.'));
+    drupal_static_reset('drupal_html_id');
+    $this->drupalPost($path . '/rs/s', $edit, NULL, array(), array(), $form_id);
+    $this->assertText('The clicked button is button2.', t('$form_state[\'clicked_button\'] set to first available button.'));
+    $this->assertText('Submit handler for form_test_clicked_button executed.', t('Form submit handler executed.'));
+
+    // Ensure submitting a form with buttons of different types results in
+    // $form_state['clicked_button'] being set to the first button, regardless
+    // of type. For the FAPI 'button' type, this should result in the submit
+    // handler not executing. The types are 's'(ubmit), 'b'(utton), and
+    // 'i'(mage_button).
+    drupal_static_reset('drupal_html_id');
+    $this->drupalPost($path . '/s/b/i', $edit, NULL, array(), array(), $form_id);
+    $this->assertText('The clicked button is button1.', t('$form_state[\'clicked_button\'] set to first button.'));
+    $this->assertText('Submit handler for form_test_clicked_button executed.', t('Form submit handler executed.'));
+    drupal_static_reset('drupal_html_id');
+    $this->drupalPost($path . '/b/s/i', $edit, NULL, array(), array(), $form_id);
+    $this->assertText('The clicked button is button1.', t('$form_state[\'clicked_button\'] set to first button.'));
+    $this->assertNoText('Submit handler for form_test_clicked_button executed.', t('Form submit handler did not execute.'));
+    drupal_static_reset('drupal_html_id');
+    $this->drupalPost($path . '/i/s/b', $edit, NULL, array(), array(), $form_id);
+    $this->assertText('The clicked button is button1.', t('$form_state[\'clicked_button\'] set to first button.'));
+    $this->assertText('Submit handler for form_test_clicked_button executed.', t('Form submit handler executed.'));
+  }
+}
+
 
 /**
  * Tests rebuilding of arbitrary forms by altering them.