dart-sdk/tests/language/f_bounded_quantification3_test.dart
regis@google.com 158d90d50f Prevent expensive and unnecessary error formatting in the case a bound check is
postponed to run time (issue 9106).
Eliminate bound check at compile time in some cases.
Fix bound checking of mutually referencing bounds.
Added test.
Review URL: https://codereview.chromium.org//13653005

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20938 260f80e4-7a28-3924-810f-c04153c831b5
2013-04-04 20:24:49 +00:00

29 lines
703 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.
// Test for F-Bounded Quantification.
class FBound1<F1 extends FBound1<F1, F2>, F2 extends FBound2<F1, F2>> {
Test() {
new FBound1<F1, F2>();
new FBound2<F1, F2>();
}
}
class FBound2<F1 extends FBound1<F1, F2>, F2 extends FBound2<F1, F2>> {
Test() {
new FBound1<F1, F2>();
new FBound2<F1, F2>();
}
}
class Bar extends FBound1<Bar, Baz> {}
class Baz extends FBound2<Bar, Baz> {}
main() {
new FBound1<Bar, Baz>().Test();
new FBound2<Bar, Baz>().Test();
}