dart-sdk/tests/lib_2/async/timer_isActive_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

47 lines
1.2 KiB
Dart

// Copyright (c) 2011, 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 'package:async_helper/async_minitest.dart';
main() {
test("timer isActive test", () {
Timer t;
t = new Timer(const Duration(seconds: 1),
expectAsync0(() => expect(t.isActive, equals(false))));
expect(t.isActive, equals(true));
});
test("periodic timer cancel test", () {
Timer t;
int i = 0;
void checkActive(Timer timer) {
expect(t.isActive, equals(true));
if (i == 2) {
t.cancel();
expect(t.isActive, equals(false));
}
i++;
}
t = new Timer.periodic(
new Duration(milliseconds: 1), expectAsync1(checkActive, count: 3));
expect(t.isActive, equals(true));
});
test("timer cancel test", () {
Timer timer = new Timer(
const Duration(seconds: 15), () => fail("Should not be reached."));
Timer.run(expectAsync0(() {
expect(timer.isActive, equals(true));
timer.cancel();
expect(timer.isActive, equals(false));
}));
});
}