// 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 a;
var b;
var called = false;
Promise.race([a, b]);
Promise.race([b, a]);
Promise.race([, b, a]);
Promise.race().then(function() {}, function() {
    let str;
    function getStr() {
        return $ `$`
    }
    var $ = getStr()
}).catch(e => {
  called = true;
  assert (e instanceof TypeError);
})

function __checkAsync() {
  assert(called);
}