1// Copyright JS Foundation and other contributors, http://js.foundation
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15var hasProp = $ => { }
16Object.preventExtensions(hasProp);
17assert (Object.isSealed(hasProp) === false);
18
19var keys = Object.getOwnPropertyNames(hasProp);
20assert (keys.length === 1);
21assert (keys[0] === "length");
22
23