Fix prototype of the values returned by Promise.allSettled (#4758)

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

jerry-core/ecma/operations/ecma-promise-object.c

@@ -630,11 +630,13 @@ ecma_promise_all_or_all_settled_handler_cb (ecma_object_t *function_obj_p, /**<
 
     if (promise_type == ECMA_PROMISE_ALLSETTLED_RESOLVE)
     {
-      status_property_val =  LIT_MAGIC_STRING_FULFILLED;
+      status_property_val = LIT_MAGIC_STRING_FULFILLED;
       data_propery_name = LIT_MAGIC_STRING_VALUE;
     }
 
-    ecma_object_t *obj_p = ecma_create_object (NULL, 0, ECMA_OBJECT_TYPE_GENERAL);
+    ecma_object_t *obj_p = ecma_create_object (ecma_builtin_get (ECMA_BUILTIN_ID_OBJECT_PROTOTYPE),
+                                               0,
+                                               ECMA_OBJECT_TYPE_GENERAL);
     ecma_property_value_t *prop_value_p;
     prop_value_p = ecma_create_named_data_property (obj_p,
                                                     ecma_get_magic_string (LIT_MAGIC_STRING_STATUS),

tests/jerry/es.next/promise-all-settled.js

@@ -76,8 +76,26 @@ var rejects = Promise.allSettled(createIterable([
   new Promise((_, reject) => { reject("qux"); }),
 ]));
 
-fulfills.then(result => { assert (result + "" === "foo,bar"); });
+fulfills.then(result => {
-rejects.catch(result => { assert (result === "baz"); });
+  assert(Object.getPrototypeOf(result) === Array.prototype);
+  assert(result.length === 2)
+  assert(Object.getPrototypeOf(result[0]) === Object.prototype);
+  assert(result[0].status === "fulfilled");
+  assert(result[0].value === "foo");
+  assert(Object.getPrototypeOf(result[1]) === Object.prototype);
+  assert(result[1].status === "fulfilled");
+  assert(result[1].value === "bar");
+});
+rejects.then(result => {
+  assert(Object.getPrototypeOf(result) === Array.prototype);
+  assert(result.length === 2)
+  assert(Object.getPrototypeOf(result[0]) === Object.prototype);
+  assert(result[0].status === "rejected");
+  assert(result[0].reason === "baz");
+  assert(Object.getPrototypeOf(result[1]) === Object.prototype);
+  assert(result[1].status === "rejected");
+  assert(result[1].reason === "qux");
+});
 
 var closed = true;
 delete Promise.resolve;