// 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.

var object = {};

Object.defineProperties(object, {
  a: {
    value: "foo",
    enumerable: false
  },
  b: {
    value: "bar",
    enumerable: true,
    writable: false
  }
});

var proxy = new Proxy(object, {
  getOwnPropertyDescriptor: function(o, v) {
    handlers.push("D");
    return Object.getOwnPropertyDescriptor(o, v);
  },
  get: function(o, v) {
    handlers.push("G");
    return o[v];
  }
});

var handlers = [];
var keys = Object.keys(proxy);

assert(keys.length === 1);
assert(keys[0] === "b");
assert(handlers.length === 2);
assert(handlers.toString() === "D,D");
