Files
sdk/tests/language_2/issue10747_test.dart
T
Bob Nystrom 07b9df22ac Use the Expect.throws___() helper methods throughout tests.
No behavioral changes, just getting rid of a lot of redundant closures
and helper functions.

Change-Id: I55c52c2cc9e5505bb64203c31aad8d76847f8eeb
Reviewed-on: https://dart-review.googlesource.com/14320
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: William Hesse <whesse@google.com>
2017-10-17 23:37:15 +00:00

24 lines
640 B
Dart

// Copyright (c) 2013, 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.
import "package:expect/expect.dart";
class B<T> {}
class A<T> {
var field;
A(this.field);
asTypeVariable() => field as T;
asBOfT() => field as B<T>;
}
main() {
Expect.equals(42, new A<int>(42).asTypeVariable());
Expect.throwsCastError(() => new A<String>(42).asTypeVariable());
var b = new B<int>();
Expect.equals(b, new A<int>(b).asBOfT());
Expect.throwsCastError(() => new A<String>(b).asBOfT());
}