blob: 875a632a1f4c70ccd45f2369913d3f64b72109a3 [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 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 constant map.
/// @author
import "../../Utils/expect.dart";
main() {
const Map res1 = const {...{1: 1, 2: 2}, 4: 3};
Expect.mapEquals({1:1, 2: 2, 4: 3}, res1);
const Map res2 = const {...<Object, Object>{}};
Expect.mapEquals(<Object, Object>{}, res2);
const Map res3 = const {...{}};
Expect.mapEquals({}, res3);