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 obj = {
16  get source() {
17      return "Iam"
18  },
19  [Symbol.match]: true
20}
21
22var regexp = new RegExp(obj);
23assert(regexp.source === "Iam");
24
25Object.defineProperty(obj, 'flags', {'get' : function () {throw 42}});
26
27try {
28  new RegExp(obj);
29  assert(false);
30} catch (e) {
31  assert(e === 42);
32}
33