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 */
15
16let a = 4
17
18var f = () => {
19  eval("var a = 5")
20  assert(a === 5)
21}
22f()
23
24assert(a === 4)
25
26function g() {
27  eval("var b = 6")
28
29  assert(b === 6)
30
31  var h = () => delete b
32  h()
33
34  try {
35    b
36    assert(false)
37  } catch (e) {
38    assert(e instanceof ReferenceError)
39  }
40}
41g()
42