dart-sdk/tests/language/null/to_string2_test.dart
Robert Nystrom 99564b09b4 Migrate language_2/null to NNBD.
Change-Id: I9336b7fa58c144c8b946e7aac3128a9d9925d7d4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149787
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
2020-06-05 18:59:56 +00:00

19 lines
507 B
Dart

// Copyright (c) 2012, 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 correct handling of NULL object in invocation and implicit closures.
import "package:expect/expect.dart";
class A {}
A? foo() => null;
main() {
A? nullObj = foo();
var x = nullObj.toString();
Expect.isTrue(x is String);
var y = nullObj.toString;
Expect.isNotNull(y);
}