Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
42 lines
894 B
Dart
42 lines
894 B
Dart
// Copyright (c) 2017, 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 a generic closure is correctly constructed.
|
|
|
|
library generic_methods_closure_test;
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
class A {}
|
|
|
|
class I<T> {}
|
|
|
|
class B extends I<B> {}
|
|
|
|
void fun<T>(List<T> list) {
|
|
var helper1 = <S>(List<S> list) {
|
|
if (list.length > 0) {
|
|
Expect.isTrue(list[0] is S);
|
|
}
|
|
Expect.isTrue(list is List<S>);
|
|
Expect.isTrue(list is List<T>);
|
|
};
|
|
|
|
void helper2<S>(List<S> list) {
|
|
if (list.length > 0) {
|
|
Expect.isTrue(list[0] is S);
|
|
}
|
|
Expect.isTrue(list is List<S>);
|
|
Expect.isTrue(list is List<T>);
|
|
}
|
|
|
|
helper1<T>(list);
|
|
helper2<T>(list);
|
|
}
|
|
|
|
main() {
|
|
List<B> list = <B>[new B()];
|
|
fun<B>(list);
|
|
}
|