blob: 58815bb8257fbac3b144f16f89d5ae6a58e3be80 [file] [log] [blame]
// Copyright (c) 2018, 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.
library list_unmodifiable_cast_test;
import "package:expect/expect.dart";
import 'dart:collection';
void main() {
test(const [37]);
test(new UnmodifiableListView([37]));
test(new UnmodifiableListView<num>(<num>[37]));
test(new UnmodifiableListView<num>(<int>[37]));
test(new UnmodifiableListView<num>(<num>[37]).cast<int>());
test(new UnmodifiableListView<num>(<int>[37]).cast<int>());
test(new UnmodifiableListView<Object>(<num>[37]).cast<int>());
test(new UnmodifiableListView<Object>(<int>[37]).cast<num>());
test(new UnmodifiableListView<num>(<num>[37]).retype<int>());
test(new UnmodifiableListView<num>(<int>[37]).retype<int>());
test(new UnmodifiableListView<Object>(<num>[37]).retype<int>());
test(new UnmodifiableListView<Object>(<int>[37]).retype<num>());
var m2 = new List<num>.unmodifiable([37]);
test(m2);
test(m2.cast<int>());
}
void test(List list) {
Expect.equals(1, list.length);
Expect.equals(37, list.first);
Expect.throws(list.clear);
Expect.throws(() {
list.remove(37);
});
Expect.throws(() {
list[0] = 42;
});
Expect.throws(() {
list.addAll(<int>[42]);
});
}