Files
sdk/tests/lib/async/future_regression_48493_test.dart
Lasse R.H. Nielsen f8086c81ae Collect all test-related files in package:expect.
Collects files from `package:async_helper` and `tests/language`
that are generally useful, so that all test-related helpers are
in `package:expect`.

Moves the two libraries from `package:async_helper` into `package:expect`,
and the `tests/language/static_type_helper.dart` file too.

Deprecates `async_minitest.dart`, to follow `minitest.dart`,
expecting the Flutter use of it to have been fixed to not break
on deprecation (I believe Flutter no longer breaks builds on deprecations at all).

Patch 1 is the actual change.
Patch 2+4+8 is changing all existing references to the files.
Patch 6 ignores deprecation in files still using `async_minitest.dart`.

3+5+7+9 are updating this text to make the numbers match.
Then it's just test-expectations and small tweaks from there.

Change-Id: I1b665135b5fef9b9a0c3b340ffe9daf874d0174c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/373120
Reviewed-by: Nate Bosch <nbosch@google.com>
Reviewed-by: Devon Carew <devoncarew@google.com>
Commit-Queue: Lasse Nielsen <lrn@google.com>
2024-10-11 16:53:52 +00:00

33 lines
1.0 KiB
Dart

// Copyright (c) 2022, 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.
// Regression test for http://dartbug.com/48493
//
// The `Completer.complete` method, given an already completed `_Future`
// with a value result, will complete the `Completer.future` synchronously.
import 'dart:async';
import 'package:expect/async_helper.dart';
import 'package:expect/expect.dart';
void main() async {
asyncStart();
var completer = Completer<int>(); // Not synchronous.
var future = Future<int>.value(4);
await future; // Ensure future completed.
bool thenRun = false;
completer.future.then((_) {
thenRun = true;
});
Expect.isFalse(thenRun, "Sanity check");
completer.complete(future);
Expect.isFalse(thenRun, "Ran early"); // Bug would cause this to fail.
await Future(() {}); // Await timer, all microtasks completed.
Expect.isTrue(thenRun, "Did not run as microtask");
asyncEnd();
}