/*
 * 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 From the Unified collection Spec:
 * A spreadElement starting with [...] is a constant element if its expression
 * is constant and it evaluates to a constant List, Set or Map instance
 * originally created by a list, set or map literal. It is a potentially
 * constant element if the expression is a potentially constant expression.
 * @description: Checks that constant map spread element can be [List], [Set],
 * [int] or [null].
 * @author iarkh@unipro.ru
 */

main() {
  const Map res1 = const {...{1, 3}};
// [error line 18, column 0]
// [analyzer] unspecified
// [cfe] unspecified
  const Map res2 = const {...[]};
  //               ^^^^^^^^^^^^^
  // [analyzer] COMPILE_TIME_ERROR.INVALID_ASSIGNMENT
  // [cfe] Both Iterable and Map spread elements encountered in ambiguous literal.
  const Map res3 = const {...44};
// [error line 26, column 0]
// [analyzer] unspecified
// [cfe] unspecified
  const Map res4 = const {...<int>{}};
// [error line 30, column 0]
// [analyzer] unspecified
// [cfe] unspecified
  const Map res5 = const {...null};
// [error line 34, column 0]
// [analyzer] unspecified
// [cfe] unspecified
}