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[dart2js] Add failing tests for issue #45046.
Bug: https://github.com/dart-lang/sdk/issues/45046 Change-Id: I6b0010b78c1781c9c264b9a479dc2136ded3105c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/185495 Reviewed-by: Stephen Adams <sra@google.com>
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tests/web/45046_test.dart
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tests/web/45046_test.dart
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// Copyright (c) 2021, 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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import 'package:expect/expect.dart';
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class A {}
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class B extends A {}
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class Foo<T> {}
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T cast<T>(dynamic x) => x as T;
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void test(Foo<A> Function(dynamic) f) {
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var foo = Foo<B>();
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Expect.identical(foo, f(foo));
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}
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void main() {
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test(cast);
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}
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tests/web_2/45046_test.dart
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tests/web_2/45046_test.dart
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// Copyright (c) 2021, 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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// @dart = 2.7
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import 'package:expect/expect.dart';
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class A {}
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class B extends A {}
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class Foo<T> {}
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T cast<T>(dynamic x) => x as T;
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void test(Foo<A> Function(dynamic) f) {
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var foo = Foo<B>();
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Expect.identical(foo, f(foo));
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}
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void main() {
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test(cast);
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}
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