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