blob: a5e9addeaf661170564f2b8badf2da1a7d72a427 [file] [log] [blame]
// Copyright (c) 2011, 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.
// Check that const objects (including literals) are immutable.
// @dart = 2.9
import "package:expect/expect.dart";
class A {
const A(this.x, this.y);
final num x, y;
}
main() {
dynamic list = const [1, 2];
Expect.throws(() => list[0] = 3);
Expect.equals(1, list[0]);
dynamic m = const {'foo': 499};
Expect.throws(() => m['foo'] = 42);
Expect.equals(499, m['foo']);
dynamic a1 = const A(1, 2);
Expect.throws(() => a1.x = 499);
Expect.equals(1, a1.x);
dynamic a2 = const A(1, 2);
Expect.throws(() => a2.x = 499);
Expect.equals(1, a2.x);
}