dart-sdk/tests/standalone_2/regress_42092_test.dart
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

54 lines
1.3 KiB
Dart

// Copyright (c) 2020, 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 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:expect/expect.dart';
Process process;
bool lastKill = false;
Future<void> sigint(int iterations) async {
for (int i = 0; i < iterations; ++i) {
if (i + 1 == iterations) {
lastKill = true;
}
process.kill(ProcessSignal.sigint);
// Yield to the event loop to allow for the signal to be sent.
await Future.value(null);
}
}
Future<void> main() async {
process = await Process.start(
Platform.resolvedExecutable,
[
Platform.script.resolve('regress_42092_script.dart').toString(),
],
);
final startCompleter = Completer<void>();
StreamSubscription sub;
sub = process.stdout.transform(Utf8Decoder()).listen((event) {
if (event.contains('Waiting...')) {
startCompleter.complete();
sub.cancel();
}
});
// Wait for target script to setup its signal handling.
await startCompleter.future;
final exitCompleter = Completer<void>();
process.exitCode.then((code) {
Expect.isTrue(lastKill);
exitCompleter.complete();
});
await sigint(3);
await exitCompleter.future;
}