6336e8e2d3
+ add checks for agnostic subtyping differences Closes #41657 Change-Id: I1e6b558edbfcb1ca282e0e4c788c6a7a7db6bfd3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148126 Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>
22 lines
862 B
Dart
22 lines
862 B
Dart
// Copyright (c) 2020, 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.
|
|
|
|
final isLegacySubtyping1a = <Null>[] is List<int>;
|
|
const isLegacySubtyping1b = <Null>[] is List<int>;
|
|
final isLegacySubtyping2a = <int?>[] is List<int>;
|
|
const isLegacySubtyping2b = <int?>[] is List<int>;
|
|
//final assertLegacySubtyping2 = <Null>[] as List<int>;
|
|
const assertLegacySubtyping1 = <Null>[] as List<int>;
|
|
//final assertLegacySubtyping2 = <int?>[] as List<int>;
|
|
const assertLegacySubtyping2 = <int?>[] as List<int>;
|
|
|
|
void main() {
|
|
expect(isLegacySubtyping1a, isLegacySubtyping1b);
|
|
expect(isLegacySubtyping2a, isLegacySubtyping2b);
|
|
}
|
|
|
|
expect(expected, actual) {
|
|
if (expected != actual) throw "Expected $expected, actual $actual";
|
|
}
|