Issue #2453491 by olafkarsten, devpreview, mgifford, webflo: Account form username

core/modules/user/src/AccountForm.php

@@ -106,7 +106,7 @@ public function form(array $form, FormStateInterface $form_state) {
         'autocapitalize' => 'off',
         'spellcheck' => 'false',
       ),
-      '#default_value' => (!$register ? $account->getUsername() : ''),
+      '#default_value' => (!$register ? $account->getAccountName() : ''),
       '#access' => ($register || ($user->id() == $account->id() && $user->hasPermission('change own username')) || $admin),
     );
 

core/modules/user/src/Tests/UserEditTest.php

@@ -25,6 +25,13 @@ function testUserEdit() {
     $this->drupalPostForm("user/" . $user1->id() . "/edit", $edit, t('Save'));
     $this->assertRaw(t('The username %name is already taken.', array('%name' => $edit['name'])));
 
+    // Check that the default value in user name field
+    // is the raw value and not a formatted one.
+    \Drupal::state()->set('user_hooks_test_user_format_name_alter', TRUE);
+    \Drupal::service('module_installer')->install(['user_hooks_test']);
+    $this->drupalGet('user/' . $user1->id() . '/edit');
+    $this->assertFieldByName('name', $user1->getAccountName());
+
     // Check that filling out a single password field does not validate.
     $edit = array();
     $edit['pass[pass1]'] = '';