blob: 97735d911355ae297ea98b6c4f902c2a718417d0 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.6
import 'dart:async';
import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
/// Verifies Dart semantics governed by flags set by Flutter tooling.
void main() {
group('Async', () {
String greeting = 'hello';
Future<void> changeGreeting() async {
greeting += ' 1';
await Future<void>.value(null);
greeting += ' 2';
}
test('execution of async method starts synchronously', () async {
expect(greeting, 'hello');
final Future<void> future = changeGreeting();
expect(greeting, 'hello 1');
await future;
expect(greeting, 'hello 1 2');
});
});
}