dart-sdk/tests/language/deferred/load_constants_runtime_test.dart
Robert Nystrom fd3882091c Migrate language_2/deferred to NNBD.
Change-Id: I6c936a9ad34befccf1b6775d7c9bdc621995a96f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142280
Reviewed-by: Leaf Petersen <leafp@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
2020-04-03 20:04:47 +00:00

38 lines
1.1 KiB
Dart

// TODO(multitest): This was automatically migrated from a multitest and may
// contain strange or dead code.
// Copyright (c) 2015, 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 version of two-argument Ackermann-Peter function.
library deferred_load_constants;
import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
import "load_constants.dart" deferred as foo;
import "load_constants.dart";
main() {
asyncStart();
Expect.throws(() => foo.c);
Expect.throws(() => foo.C);
Expect.throws(() => foo.funtype);
Expect.throws(() => foo.toplevel);
foo.loadLibrary().whenComplete(() {
// Reading constant declarations through deferred prefix works.
Expect.identical(c, foo.c);
Expect.identical(C, foo.C);
Expect.identical(funtype, foo.funtype);
Expect.identical(toplevel, foo.toplevel);
Expect.identical(C.staticfun, foo.C.staticfun);
// Access through deferred prefix is not a constant expression.
asyncEnd();
});
}