/*
 * Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion It is an error to apply an expression of type Never in the
 * function position of a function call.
 *
 * @description Check that it is an error to apply an expression of type Never
 * in the function position of a function call.
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable
class A {
}

void test(var x) {
  if (x is Never) {
    x();          //# 01: compile-time error
    x(1);         //# 02: compile-time error
    x("1");       //# 03: compile-time error
  }
}

main() {
  A? a = null;
  test(a);
}