dart-sdk/tests/web_2/effectively_constant_instance_field_test.dart
Sigmund Cherem 912005267d [web] rename suite dart2js -> web.
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680
Commit-Queue: Sigmund Cherem <sigmund@google.com>
Reviewed-by: Joshua Litt <joshualitt@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Stephen Adams <sra@google.com>
2021-02-04 23:11:32 +00:00

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530 B
Dart

// Copyright (c) 2019, 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
// dart2jsOptions=--omit-implicit-checks
import 'package:expect/expect.dart';
class C {
const C();
}
class A {
var field = const C();
}
class B {
var field;
}
@pragma('dart2js:noInline')
test(o) => o.field;
main() {
Expect.isNotNull(test(new A()));
Expect.isNull(test(new B()));
}