// 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/material.dart'; import 'package:flutter_localizations/flutter_localizations.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:intl/intl.dart'; void main() { group(GlobalMaterialLocalizations, () { test('uses exact locale when exists', () async { final GlobalMaterialLocalizations localizations = await GlobalMaterialLocalizations.delegate.load(const Locale('pt', 'PT')) as GlobalMaterialLocalizations; expect(localizations.formatDecimal(10000), '10\u00A0000'); }); test('falls back to language code when exact locale is missing', () async { final GlobalMaterialLocalizations localizations = await GlobalMaterialLocalizations.delegate.load(const Locale('pt', 'XX')) as GlobalMaterialLocalizations; expect(localizations.formatDecimal(10000), '10.000'); }); test('fails when neither language code nor exact locale are available', () async { await expectLater(() async { await GlobalMaterialLocalizations.delegate.load(const Locale('xx', 'XX')); }, throwsAssertionError); }); group('formatHour', () { Future<String> formatHour(WidgetTester tester, Locale locale, TimeOfDay timeOfDay) async { final Completer<String> completer = Completer<String>(); await tester.pumpWidget(MaterialApp( supportedLocales: <Locale>[locale], locale: locale, localizationsDelegates: GlobalMaterialLocalizations.delegates, home: Builder(builder: (BuildContext context) { completer.complete(MaterialLocalizations.of(context).formatHour(timeOfDay)); return Container(); }), )); return completer.future; } testWidgets('formats h', (WidgetTester tester) async { expect(await formatHour(tester, const Locale('en', 'US'), const TimeOfDay(hour: 10, minute: 0)), '10'); expect(await formatHour(tester, const Locale('en', 'US'), const TimeOfDay(hour: 20, minute: 0)), '8'); }); testWidgets('formats HH', (WidgetTester tester) async { expect(await formatHour(tester, const Locale('de'), const TimeOfDay(hour: 9, minute: 0)), '09'); expect(await formatHour(tester, const Locale('de'), const TimeOfDay(hour: 20, minute: 0)), '20'); expect(await formatHour(tester, const Locale('en', 'GB'), const TimeOfDay(hour: 9, minute: 0)), '09'); expect(await formatHour(tester, const Locale('en', 'GB'), const TimeOfDay(hour: 20, minute: 0)), '20'); }); testWidgets('formats H', (WidgetTester tester) async { expect(await formatHour(tester, const Locale('es'), const TimeOfDay(hour: 9, minute: 0)), '9'); expect(await formatHour(tester, const Locale('es'), const TimeOfDay(hour: 20, minute: 0)), '20'); expect(await formatHour(tester, const Locale('fa'), const TimeOfDay(hour: 9, minute: 0)), '۹'); expect(await formatHour(tester, const Locale('fa'), const TimeOfDay(hour: 20, minute: 0)), '۲۰'); }); }); group('formatMinute', () { test('formats English', () async { final GlobalMaterialLocalizations localizations = await GlobalMaterialLocalizations.delegate.load(const Locale('en', 'US')) as GlobalMaterialLocalizations; expect(localizations.formatMinute(const TimeOfDay(hour: 1, minute: 32)), '32'); }); }); group('formatTimeOfDay', () { Future<String> formatTimeOfDay(WidgetTester tester, Locale locale, TimeOfDay timeOfDay) async { final Completer<String> completer = Completer<String>(); await tester.pumpWidget(MaterialApp( supportedLocales: <Locale>[locale], locale: locale, localizationsDelegates: GlobalMaterialLocalizations.delegates, home: Builder(builder: (BuildContext context) { completer.complete(MaterialLocalizations.of(context).formatTimeOfDay(timeOfDay)); return Container(); }), )); return completer.future; } testWidgets('formats ${TimeOfDayFormat.h_colon_mm_space_a}', (WidgetTester tester) async { expect(await formatTimeOfDay(tester, const Locale('en'), const TimeOfDay(hour: 9, minute: 32)), '9:32 AM'); expect(await formatTimeOfDay(tester, const Locale('en'), const TimeOfDay(hour: 20, minute: 32)), '8:32 PM'); }); testWidgets('formats ${TimeOfDayFormat.HH_colon_mm}', (WidgetTester tester) async { expect(await formatTimeOfDay(tester, const Locale('de'), const TimeOfDay(hour: 9, minute: 32)), '09:32'); expect(await formatTimeOfDay(tester, const Locale('en', 'ZA'), const TimeOfDay(hour: 9, minute: 32)), '09:32'); }); testWidgets('formats ${TimeOfDayFormat.H_colon_mm}', (WidgetTester tester) async { expect(await formatTimeOfDay(tester, const Locale('es'), const TimeOfDay(hour: 9, minute: 32)), '9:32'); expect(await formatTimeOfDay(tester, const Locale('es'), const TimeOfDay(hour: 20, minute: 32)), '20:32'); expect(await formatTimeOfDay(tester, const Locale('ja'), const TimeOfDay(hour: 9, minute: 32)), '9:32'); expect(await formatTimeOfDay(tester, const Locale('ja'), const TimeOfDay(hour: 20, minute: 32)), '20:32'); }); testWidgets('formats ${TimeOfDayFormat.HH_dot_mm}', (WidgetTester tester) async { expect(await formatTimeOfDay(tester, const Locale('fi'), const TimeOfDay(hour: 20, minute: 32)), '20.32'); expect(await formatTimeOfDay(tester, const Locale('fi'), const TimeOfDay(hour: 9, minute: 32)), '09.32'); expect(await formatTimeOfDay(tester, const Locale('da'), const TimeOfDay(hour: 9, minute: 32)), '09.32'); }); testWidgets('formats ${TimeOfDayFormat.frenchCanadian}', (WidgetTester tester) async { expect(await formatTimeOfDay(tester, const Locale('fr', 'CA'), const TimeOfDay(hour: 9, minute: 32)), '09 h 32'); }); testWidgets('formats ${TimeOfDayFormat.a_space_h_colon_mm}', (WidgetTester tester) async { expect(await formatTimeOfDay(tester, const Locale('zh'), const TimeOfDay(hour: 9, minute: 32)), '上午 9:32'); expect(await formatTimeOfDay(tester, const Locale('ta'), const TimeOfDay(hour: 9, minute: 32)), '9:32 AM'); }); }); group('date formatters', () { Future<Map<DateType, String>> formatDate(WidgetTester tester, Locale locale, DateTime dateTime) async { final Completer<Map<DateType, String>> completer = Completer<Map<DateType, String>>(); await tester.pumpWidget(MaterialApp( supportedLocales: <Locale>[locale], locale: locale, localizationsDelegates: GlobalMaterialLocalizations.delegates, home: Builder(builder: (BuildContext context) { final MaterialLocalizations localizations = MaterialLocalizations.of(context); completer.complete(<DateType, String>{ DateType.year: localizations.formatYear(dateTime), DateType.medium: localizations.formatMediumDate(dateTime), DateType.full: localizations.formatFullDate(dateTime), DateType.monthYear: localizations.formatMonthYear(dateTime), }); return Container(); }), )); return completer.future; } testWidgets('formats dates in English', (WidgetTester tester) async { final Map<DateType, String> formatted = await formatDate(tester, const Locale('en'), DateTime(2018, 8)); expect(formatted[DateType.year], '2018'); expect(formatted[DateType.medium], 'Wed, Aug 1'); expect(formatted[DateType.full], 'Wednesday, August 1, 2018'); expect(formatted[DateType.monthYear], 'August 2018'); }); testWidgets('formats dates in German', (WidgetTester tester) async { final Map<DateType, String> formatted = await formatDate(tester, const Locale('de'), DateTime(2018, 8)); expect(formatted[DateType.year], '2018'); expect(formatted[DateType.medium], 'Mi., 1. Aug.'); expect(formatted[DateType.full], 'Mittwoch, 1. August 2018'); expect(formatted[DateType.monthYear], 'August 2018'); }); testWidgets('formats dates in Serbian', (WidgetTester tester) async { final Map<DateType, String> formatted = await formatDate(tester, const Locale('sr'), DateTime(2018, 8)); expect(formatted[DateType.year], '2018.'); expect(formatted[DateType.medium], 'сре 1. авг'); expect(formatted[DateType.full], 'среда, 1. август 2018.'); expect(formatted[DateType.monthYear], 'август 2018.'); }); testWidgets('formats dates in Serbian (Latin)', (WidgetTester tester) async { final Map<DateType, String> formatted = await formatDate(tester, const Locale.fromSubtags(languageCode:'sr', scriptCode: 'Latn'), DateTime(2018, 8)); expect(formatted[DateType.year], '2018.'); expect(formatted[DateType.medium], 'sre 1. avg'); expect(formatted[DateType.full], 'sreda, 1. avgust 2018.'); expect(formatted[DateType.monthYear], 'avgust 2018.'); }); }); }); // Regression test for https://github.com/flutter/flutter/issues/67644. testWidgets('en_US is initialized correctly by Flutter when DateFormat is used', (WidgetTester tester) async { late DateFormat dateFormat; await tester.pumpWidget(MaterialApp( locale: const Locale('en', 'US'), localizationsDelegates: GlobalMaterialLocalizations.delegates, home: Builder(builder: (BuildContext context) { dateFormat = DateFormat('EEE, d MMM yyyy HH:mm:ss', 'en_US'); return Container(); }), )); expect(dateFormat.locale, 'en_US'); }); testWidgets('cy is initialized correctly by Flutter when DateFormat is used', (WidgetTester tester) async { late DateFormat dateFormat; await tester.pumpWidget(MaterialApp( locale: const Locale('cy'), localizationsDelegates: GlobalMaterialLocalizations.delegates, home: Builder(builder: (BuildContext context) { dateFormat = DateFormat.yMMMd('cy'); return Container(); }), )); expect(dateFormat.locale, 'cy'); expect(dateFormat.format(DateTime(2023, 4, 10, 2, 32)), equals('10 Ebr 2023')); }); } enum DateType { year, medium, full, monthYear }