74 lines
2.1 KiB
Dart
74 lines
2.1 KiB
Dart
// Copyright 2014 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.
|
|
|
|
import 'dart:async';
|
|
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
import 'package:flutter/widgets.dart';
|
|
|
|
void main() {
|
|
final TestAutomatedTestWidgetsFlutterBinding binding = TestAutomatedTestWidgetsFlutterBinding();
|
|
|
|
testWidgets('Locale is available when Localizations widget stops defering frames', (WidgetTester tester) async {
|
|
final FakeLocalizationsDelegate delegate = FakeLocalizationsDelegate();
|
|
await tester.pumpWidget(Localizations(
|
|
locale: const Locale('fo'),
|
|
delegates: <LocalizationsDelegate<dynamic>>[
|
|
WidgetsLocalizationsDelegate(),
|
|
delegate,
|
|
],
|
|
child: const Text('loaded')
|
|
));
|
|
final dynamic state = tester.state(find.byType(Localizations));
|
|
expect(state.locale, isNull);
|
|
expect(find.text('loaded'), findsNothing);
|
|
|
|
Locale locale;
|
|
binding.onAllowFrame = () {
|
|
locale = state.locale as Locale;
|
|
};
|
|
delegate.completer.complete('foo');
|
|
await tester.idle();
|
|
expect(locale, const Locale('fo'));
|
|
await tester.pump();
|
|
expect(find.text('loaded'), findsOneWidget);
|
|
});
|
|
}
|
|
|
|
class FakeLocalizationsDelegate extends LocalizationsDelegate<String> {
|
|
final Completer<String> completer = Completer<String>();
|
|
|
|
@override
|
|
bool isSupported(Locale locale) => true;
|
|
|
|
@override
|
|
Future<String> load(Locale locale) => completer.future;
|
|
|
|
@override
|
|
bool shouldReload(LocalizationsDelegate<String> old) => false;
|
|
}
|
|
|
|
class TestAutomatedTestWidgetsFlutterBinding extends AutomatedTestWidgetsFlutterBinding {
|
|
|
|
VoidCallback onAllowFrame;
|
|
|
|
@override
|
|
void allowFirstFrame() {
|
|
if (onAllowFrame != null)
|
|
onAllowFrame();
|
|
super.allowFirstFrame();
|
|
}
|
|
}
|
|
|
|
class WidgetsLocalizationsDelegate extends LocalizationsDelegate<WidgetsLocalizations> {
|
|
@override
|
|
bool isSupported(Locale locale) => true;
|
|
|
|
@override
|
|
Future<WidgetsLocalizations> load(Locale locale) => DefaultWidgetsLocalizations.load(locale);
|
|
|
|
@override
|
|
bool shouldReload(WidgetsLocalizationsDelegate old) => false;
|
|
}
|