// 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 a compile-time error if:
/// A spread element in a list or set literal has a static type that is not
/// dynamic and not a subtype of Iterable<Object>.
/// @description Checks that it is a compile error if spread element in the
/// set is not dynamic and is not assignable to [Iterable]
/// @author iarkh@unipro.ru


import "dart:async";

main() {
  Object x1 = Object();
  Map x2 = {0: 0};
  int x3 = 1;
  Null x4 = null;
  void x5;
  Future x6;
  FutureOr x7 = 1;

  Set s1 = {...x1};
//             ^^
// [analyzer] unspecified
// [cfe] unspecified
  Set s2 = {...x2};
  //       ^^^^^^^
  // [analyzer] COMPILE_TIME_ERROR.INVALID_ASSIGNMENT
  // [cfe] Both Iterable and Map spread elements encountered in ambiguous literal.
  Set s3 = {...x3};
//             ^^
// [analyzer] unspecified
// [cfe] unspecified
  Set s4 = {...x4};
//             ^^
// [analyzer] unspecified
// [cfe] unspecified
  Set s5 = {...x5};
//             ^^
// [analyzer] unspecified
// [cfe] unspecified
  Set s6 = {...x6};
//             ^^
// [analyzer] unspecified
// [cfe] unspecified
  Set s7 = {...x7};
//             ^^
// [analyzer] unspecified
// [cfe] unspecified
}