dart-sdk/tests/language/null/null2_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

25 lines
755 B
Dart

// Copyright (c) 2014, 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.
// Second dart test program.
import "package:expect/expect.dart";
// Magic incantation to avoid the compiler recognizing the constant values
// at compile time. If the result is computed at compile time, the dynamic code
// will not be tested.
confuse(x) {
try {
if (new DateTime.now().millisecondsSinceEpoch == 42) x = 42;
throw [x];
} on dynamic catch (e) {
return e[0];
}
return 42;
}
main() {
Expect.equals("Null", null.runtimeType.toString());
Expect.equals("Null", confuse(null).runtimeType.toString());
}