Add length check to ecma_builtin_array_prototype_object_slice (#3481)

Fixes #3479 JerryScript-DCO-1.0-Signed-off-by: Peter Marki marpeter@inf.u-szeged.hu
2020-01-10 12:16:53 +01:00
parent dc3de8d8ae
commit 08da8bc7aa
3 changed files with 105 additions and 8 deletions
@@ -0,0 +1,21 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+class MyObservedArray extends Array {
+    constructor() {
+        super('"use strict"; var x = "\\411";')
+    } [Symbol]() {}
+}
+
+new MyObservedArray().slice()