Check if it is object in Promise.prototype.then

Fix issue #1881 JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
2017-06-06 20:47:01 +08:00
parent d56713b9af
commit 940f1f89c9
2 changed files with 20 additions and 0 deletions
@@ -743,6 +743,11 @@ ecma_promise_then (ecma_value_t promise, /**< the promise which call 'then' */
                   ecma_value_t on_fulfilled, /**< on_fulfilled function */
                   ecma_value_t on_rejected) /**< on_rejected function */
 {
+  if (!ecma_is_value_object (promise))
+  {
+    return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not an object."));
+  }
+
  ecma_object_t *obj = ecma_get_object_from_value (promise);

  if (!ecma_is_promise (obj))