Files
sdk/tests/language_2/generic_instanceof5_test.dart
T
Bob Nystrom 615be6451e Migrate block 114 (and some of 113).
generic_instanceof ... getter_closure_execution_order_test.

The main interesting one is generic_methods_type_expression_test. It
was testing old Dart 1.0-specific behavior and needed a lot of changes.

R=jmesserly@google.com

Review-Url: https://codereview.chromium.org/3001803002 .
2017-08-24 10:52:29 -07:00

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636 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 {}
class 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>()));
}