* Add comment of bugModel::getToAndCcList, and modify its unit test.

module/bug/model.php

@@ -1864,13 +1864,14 @@ class bugModel extends model
     }
 
     /**
+     * 获取指派用户和抄送给用户列表。
      * Get toList and ccList.
      *
-     * @param  object    $bug
+     * @param  object      $bug
      * @access public
-     * @return bool|array
+     * @return array|false
      */
-    public function getToAndCcList($bug)
+    public function getToAndCcList(object $bug): array|false
     {
         /* Set toList and ccList. */
         $toList = $bug->assignedTo ? $bug->assignedTo : '';

module/bug/test/bug.class.php

@@ -1166,13 +1166,14 @@ class bugTest
     }
 
     /**
+     * 测试 获取指派用户和抄送给用户列表。
      * Test get toList and ccList.
      *
      * @param  int    $bugID
      * @access public
-     * @return string
+     * @return string|string
      */
-    public function getToAndCcListTest($bugID)
+    public function getToAndCcListTest(int $bugID): array|string
     {
         $bug   = $this->objectModel->getByID($bugID);
         $array = $this->objectModel->getToAndCcList($bug);

module/bug/test/model/gettoandcclist.php

@@ -13,7 +13,7 @@ pid=1
 
 */
 
-$bugIDList = array('1', '2', '3', '51', '81');
+$bugIDList = array(1, 2, 3, 51, 81);
 
 $bug=new bugTest();
 r($bug->getToAndCcListTest($bugIDList[0])) && p() && e('admin,admin');       // 测试获取bug1的联系人