dart-sdk/tests/dart2js_2/generic_method_dynamic_is_test.dart
Joshua Litt 05ca544f15 [dart2js] Move tests/compiler/dart2js_extra to tests/dart2js_2.
Change-Id: Iaa0ca2b4f2d1b15f79ddca37834d3ed2497bc068
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149242
Commit-Queue: Joshua Litt <joshualitt@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
2020-06-03 15:15:30 +00:00

35 lines
681 B
Dart

// Copyright (c) 2018, 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.
// @dart = 2.7
import 'package:expect/expect.dart';
class A {}
class B implements A {}
class C<T> {}
class D {}
class E {
@pragma('dart2js:noInline')
m<T>() => new C<T>();
}
class F {
@pragma('dart2js:noInline')
m<T>() => false;
}
@pragma('dart2js:noInline')
test(o) => o is C<A>;
main() {
dynamic o =
new DateTime.now().millisecondsSinceEpoch == 0 ? new F() : new E();
Expect.isTrue(test(o.m<B>()));
Expect.isFalse(test(o.m<D>()));
}