#677766 by matason and atheneus: Fixed Account gets blocked when user edits their profile. (with tests)

modules/user/user.module

@@ -998,10 +998,10 @@ function user_account_form(&$form, &$form_state) {
   }
 
   if ($admin) {
-    $status = (isset($account->status) ? $account->status : 1);
+    $status = isset($account->status) ? $account->status : 1;
   }
   else {
-    $status = (variable_get('user_register', 1) == 1);
+    $status = $register ? variable_get('user_register', 1) == 1 : $account->status;
   }
   $form['account']['status'] = array(
     '#type' => 'radios',

modules/user/user.test

@@ -1421,3 +1421,39 @@ class UserEditTestCase extends DrupalWebTestCase {
     $this->drupalLogout();
   }
 }
+
+/**
+ * Test that a user, having editing their own account, can still log in.
+ */
+class UserEditedOwnAccountTestCase extends DrupalWebTestCase {
+
+  public static function getInfo() {
+    return array(
+      'name' => 'User edited own account',
+      'description' => 'Test user edited own account can still log in.',
+      'group' => 'User',
+    );
+  }
+
+  function testUserEditedOwnAccount() {
+    // Change account setting 'Who can register accounts?' to Administrators
+    // only.
+    variable_set('user_register', 0);
+
+    // Create a new user account and log in.
+    $account = $this->drupalCreateUser(array('change own username'));
+    $this->drupalLogin($account);
+
+    // Change own username.
+    $edit = array();
+    $edit['name'] = $this->randomName();
+    $this->drupalPost('user/' . $account->uid . '/edit', $edit, t('Save'));
+
+    // Log out.
+    $this->drupalLogout();
+
+    // Set the new name on the user account and attempt to log back in.
+    $account->name = $edit['name'];
+    $this->drupalLogin($account);
+  }
+}