/* 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.
 */

let a = 4

var f = () => {
  eval("var a = 5")
  assert(a === 5)
}
f()

assert(a === 4)

function g() {
  eval("var b = 6")

  assert(b === 6)

  var h = () => delete b
  h()

  try {
    b
    assert(false)
  } catch (e) {
    assert(e instanceof ReferenceError)
  }
}
g()