Files
sdk/tests/language/generic/instanceof5_test.dart
T
Jake Macdonald 3b06df241f Clean up a number of 2.19 opt outs in language tests.
This is less than half of them, will send some other chunks later.

Bug:51557
Change-Id: I4e80812a689fde99e23c34b6405aaf57cd431ce8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/289261
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Jake Macdonald <jakemac@google.com>
2023-03-17 16:17:50 +00:00

27 lines
637 B
Dart

// Copyright (c) 2014, 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.
// Test that instanceof works correctly with type variables.
import "package:expect/expect.dart";
class A {}
mixin B<T, S> {}
class C<U, V> extends A with B<V, U> {}
class D<T> {
foo(x) {
// Avoid inlining.
if (new DateTime.now().millisecondsSinceEpoch == 42) foo(x);
return x is T;
return true; // Avoid inlining.
}
}
main() {
Expect.isTrue(new D<B<int, bool>>().foo(new C<bool, int>()));
}