Files
sdk/tests/lib_2/async/future_microtask_test.dart
T
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

41 lines
868 B
Dart

// Copyright (c) 2013, 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 = 2.9
import "package:expect/expect.dart";
import 'dart:async';
import 'package:async_helper/async_helper.dart';
main() {
asyncStart();
dynamic x = 499;
scheduleMicrotask(() {
Expect.equals(499, x);
x = 42;
});
new Future.microtask(() {
Expect.equals(42, x);
x = null;
return 99;
}).then((val) {
Expect.isNull(x);
Expect.equals(99, val);
x = "foo";
});
scheduleMicrotask(() {
Expect.equals("foo", x);
x = "toto";
asyncEnd();
});
asyncStart();
new Future.microtask(() {
throw "foo";
}).catchError((e, stackTrace) {
Expect.equals("foo", e);
asyncEnd();
});
}