LanguageFeatures/Spread-collections/StaticSemantic_A11_t03.dart

// 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.

// @dart = 2.9

/// @assertion It is a compile-time error if:
/// A spread element in a map literal has a static type that is not [dynamic] and
/// not a subtype of [Map<Object, Object>].
/// @description Checks that compile error is thrown if null-aware spread element
/// in the map is not dynamic, is not assignable to [Map] and is not [null]
/// @author iarkh@unipro.ru


import "dart:async";

main() {
  Object x1;
  List x2;
  Set x3;
  int x4;
  Iterable x5;
  void x6;
  Future x7;
  FutureOr x8;

  Map m1 = {...?x1}; //# 01: compile-time error
  Map m2 = {...?x2}; //# 02: compile-time error
  Map m3 = {...?x3}; //# 03: compile-time error
  Map m4 = {...?x4}; //# 04: compile-time error
  Map m5 = {...?x5}; //# 05: compile-time error
  Map m6 = {...?x6}; //# 06: compile-time error
  Map m7 = {...?x7}; //# 07: compile-time error
  Map m8 = {...?x8}; //# 08: compile-time error
}