dart-sdk/tests/corelib_2/list_unmodifiable_cast_test.dart
Lasse R.H. Nielsen 0b91676362 Remove the retype method.
See #33075.

Bug: http://dartbug.com/33075
Change-Id: I1ee2f587afbc672dd08ac61ac003bbdc85bb95e2
Reviewed-on: https://dart-review.googlesource.com/59091
Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
2018-06-12 14:36:09 +00:00

42 lines
1.1 KiB
Dart

// 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>());
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]);
});
}