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>
48 lines
1.4 KiB
Dart
48 lines
1.4 KiB
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 generic methods can be specialized after being torn off, and that
|
|
// their specialized versions are correctly constructed.
|
|
|
|
library generic_methods_tearoff_specialization_test;
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
class A {
|
|
T fun<T>(T t) => t;
|
|
}
|
|
|
|
typedef Int2Int = int Function(int);
|
|
typedef String2String = String Function(String);
|
|
typedef Object2Object = Object Function(Object);
|
|
typedef GenericMethod = T Function<T>(T);
|
|
|
|
main() {
|
|
A a = new A();
|
|
Int2Int f = a.fun;
|
|
String2String g = a.fun;
|
|
Object2Object h = a.fun;
|
|
var generic = a.fun;
|
|
|
|
Expect.isTrue(f is Int2Int);
|
|
Expect.isTrue(f is! String2String);
|
|
Expect.isTrue(f is! Object2Object);
|
|
Expect.isTrue(f is! GenericMethod);
|
|
|
|
Expect.isTrue(g is! Int2Int);
|
|
Expect.isTrue(g is String2String);
|
|
Expect.isTrue(g is! Object2Object);
|
|
Expect.isTrue(g is! GenericMethod);
|
|
|
|
Expect.isTrue(h is! Int2Int);
|
|
Expect.isTrue(h is! String2String);
|
|
Expect.isTrue(h is Object2Object);
|
|
Expect.isTrue(g is! GenericMethod);
|
|
|
|
Expect.isTrue(generic is! Int2Int);
|
|
Expect.isTrue(generic is! String2String);
|
|
Expect.isTrue(generic is! Object2Object);
|
|
Expect.isTrue(generic is GenericMethod);
|
|
}
|