// Copyright (c) 2020, 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 for the initializer expression of a late local
/// variable to use a prefix await expression that is not nested inside of
/// another function expression.
///
/// @description Check that it is not an error for the initializer expression of
/// a late local variable to use a prefix await expression if it is nested inside
/// of another function expression
/// @author sgrekhov@unipro.ru

// Requirements=nnbd-strong
import "dart:async";

class C {
  static void sTest() async {
    late Future<int> i = init();
  }

  void mTest() async {
    late Future<int> i = init();
  }
}

void test() async {
  late Future<int> i = init();
}

Future<int> init() async {
  return await 42;
}

main() async {
  late Future<int> i = init();
  test();
  C.sTest();
  C().mTest();
}
