blob: 91b6b4c5c011ce1dbacc23d6ccb2f22c5ef00fdb [file] [log] [blame]
// 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 collections Specification:
/// If the literal is constant, canonicalize it and make the map immutable.
/// @description Checks that non-constant map is not cannonicalized and mutable.
/// @author
import "../../Utils/expect.dart";
const Map? map1 = {1: 1, 2: 2, 3: 3};
const Map? map2 = {};
main() {
Map res1 = {...?map1};
Expect.notEquals(map1, res1);
Map res2 = {...?map2};
Expect.notEquals(map2, res2);
res2.addAll({7: 19});
Map res3 = {...?null};
Expect.notEquals(map2, res3);
res3.addAll({7: 19});