Johnni Winther
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>
24 lines
1.0 KiB
Dart
24 lines
1.0 KiB
Dart
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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final isLegacySubtyping1a = const <Null>[] is List<int>;
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const isLegacySubtyping1b = const <Null>[] is List<int>;
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final isLegacySubtyping2a = const <int?>[] is List<int>;
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const isLegacySubtyping2b = const <int?>[] is List<int>;
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final assertLegacySubtyping1a = const <Null>[] as List<int>;
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const assertLegacySubtyping1b = const <Null>[] as List<int>;
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final assertLegacySubtyping2a = const <int?>[] as List<int>;
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const assertLegacySubtyping2b = const <int?>[] as List<int>;
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void main() {
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expect(isLegacySubtyping1a, isLegacySubtyping1b);
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expect(isLegacySubtyping2a, isLegacySubtyping2b);
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expect(assertLegacySubtyping1a, assertLegacySubtyping1b);
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expect(assertLegacySubtyping2a, assertLegacySubtyping2b);
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}
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expect(expected, actual) {
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if (expected != actual) throw "Expected $expected, actual $actual";
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}
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