1// Copyright 2014 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5import 'package:flutter/material.dart';
6import 'package:flutter_localizations/flutter_localizations.dart';
7import 'package:flutter_test/flutter_test.dart';
8
9void main() {
10 testWidgets('Material2 - Text baseline with CJK locale', (WidgetTester tester) async {
11 // This test in combination with 'Text baseline with EN locale' verify the baselines
12 // used to align text with ideographic baselines are reasonable. We are currently
13 // using the alphabetic baseline to lay out as the ideographic baseline is not yet
14 // properly implemented. When the ideographic baseline is better defined and implemented,
15 // the values of this test should change very slightly. See the issue this is based off
16 // of: https://github.com/flutter/flutter/issues/25782.
17 final Key targetKey = UniqueKey();
18 await tester.pumpWidget(
19 MaterialApp(
20 theme: ThemeData(useMaterial3: false),
21 routes: <String, WidgetBuilder>{
22 '/next': (BuildContext context) {
23 return const Text('Next');
24 },
25 },
26 localizationsDelegates: GlobalMaterialLocalizations.delegates,
27 supportedLocales: const <Locale>[
28 Locale('en', 'US'),
29 Locale('es', 'ES'),
30 Locale('zh', 'CN'),
31 ],
32 locale: const Locale('zh', 'CN'),
33 home: Material(
34 child: Center(
35 child: Builder(
36 key: targetKey,
37 builder: (BuildContext context) {
38 return PopupMenuButton<int>(
39 onSelected: (int value) {
40 Navigator.pushNamed(context, '/next');
41 },
42 itemBuilder: (BuildContext context) {
43 return <PopupMenuItem<int>>[
44 const PopupMenuItem<int>(
45 value: 1,
46 child: Text('hello, world', style: TextStyle(color: Colors.blue)),
47 ),
48 const PopupMenuItem<int>(
49 value: 2,
50 child: Text('你好，世界', style: TextStyle(color: Colors.blue)),
51 ),
52 ];
53 },
54 );
55 },
56 ),
57 ),
58 ),
59 ),
60 );
61
62 await tester.tap(find.byKey(targetKey));
63 await tester.pumpAndSettle();
64
65 expect(find.text('hello, world'), findsOneWidget);
66 expect(find.text('你好，世界'), findsOneWidget);
67
68 expect(tester.getTopLeft(find.text('hello, world')).dy, 299.5);
69 expect(tester.getBottomLeft(find.text('hello, world')).dy, 316.5);
70
71 expect(tester.getTopLeft(find.text('你好，世界')).dy, 347.5);
72 expect(tester.getBottomLeft(find.text('你好，世界')).dy, 364.5);
73 });
74
75 testWidgets('Material3 - Text baseline with CJK locale', (WidgetTester tester) async {
76 // This test in combination with 'Text baseline with EN locale' verify the baselines
77 // used to align text with ideographic baselines are reasonable. We are currently
78 // using the alphabetic baseline to lay out as the ideographic baseline is not yet
79 // properly implemented. When the ideographic baseline is better defined and implemented,
80 // the values of this test should change very slightly. See the issue this is based off
81 // of: https://github.com/flutter/flutter/issues/25782.
82 final Key targetKey = UniqueKey();
83 await tester.pumpWidget(
84 MaterialApp(
85 routes: <String, WidgetBuilder>{
86 '/next': (BuildContext context) {
87 return const Text('Next');
88 },
89 },
90 localizationsDelegates: GlobalMaterialLocalizations.delegates,
91 supportedLocales: const <Locale>[
92 Locale('en', 'US'),
93 Locale('es', 'ES'),
94 Locale('zh', 'CN'),
95 ],
96 locale: const Locale('zh', 'CN'),
97 home: Material(
98 child: Center(
99 child: Builder(
100 key: targetKey,
101 builder: (BuildContext context) {
102 return PopupMenuButton<int>(
103 onSelected: (int value) {
104 Navigator.pushNamed(context, '/next');
105 },
106 itemBuilder: (BuildContext context) {
107 return <PopupMenuItem<int>>[
108 const PopupMenuItem<int>(
109 value: 1,
110 child: Text('hello, world', style: TextStyle(color: Colors.blue)),
111 ),
112 const PopupMenuItem<int>(
113 value: 2,
114 child: Text('你好，世界', style: TextStyle(color: Colors.blue)),
115 ),
116 ];
117 },
118 );
119 },
120 ),
121 ),
122 ),
123 ),
124 );
125
126 await tester.tap(find.byKey(targetKey));
127 await tester.pumpAndSettle();
128
129 expect(find.text('hello, world'), findsOneWidget);
130 expect(find.text('你好，世界'), findsOneWidget);
131
132 expect(tester.getTopLeft(find.text('hello, world')).dy, 298.0);
133 expect(tester.getBottomLeft(find.text('hello, world')).dy, 318.0);
134
135 expect(tester.getTopLeft(find.text('你好，世界')).dy, 346.0);
136 expect(tester.getBottomLeft(find.text('你好，世界')).dy, 366.0);
137 });
138
139 testWidgets('Material2 - Text baseline with EN locale', (WidgetTester tester) async {
140 // This test in combination with 'Text baseline with CJK locale' verify the baselines
141 // used to align text with ideographic baselines are reasonable. We are currently
142 // using the alphabetic baseline to lay out as the ideographic baseline is not yet
143 // properly implemented. When the ideographic baseline is better defined and implemented,
144 // the values of this test should change very slightly. See the issue this is based off
145 // of: https://github.com/flutter/flutter/issues/25782.
146 final Key targetKey = UniqueKey();
147 await tester.pumpWidget(
148 MaterialApp(
149 theme: ThemeData(useMaterial3: false),
150 routes: <String, WidgetBuilder>{
151 '/next': (BuildContext context) {
152 return const Text('Next');
153 },
154 },
155 localizationsDelegates: GlobalMaterialLocalizations.delegates,
156 supportedLocales: const <Locale>[
157 Locale('en', 'US'),
158 Locale('es', 'ES'),
159 Locale('zh', 'CN'),
160 ],
161 locale: const Locale('en', 'US'),
162 home: Material(
163 child: Center(
164 child: Builder(
165 key: targetKey,
166 builder: (BuildContext context) {
167 return PopupMenuButton<int>(
168 onSelected: (int value) {
169 Navigator.pushNamed(context, '/next');
170 },
171 itemBuilder: (BuildContext context) {
172 return <PopupMenuItem<int>>[
173 const PopupMenuItem<int>(
174 value: 1,
175 child: Text('hello, world', style: TextStyle(color: Colors.blue)),
176 ),
177 const PopupMenuItem<int>(
178 value: 2,
179 child: Text('你好，世界', style: TextStyle(color: Colors.blue)),
180 ),
181 ];
182 },
183 );
184 },
185 ),
186 ),
187 ),
188 ),
189 );
190
191 await tester.tap(find.byKey(targetKey));
192 await tester.pumpAndSettle();
193
194 expect(find.text('hello, world'), findsOneWidget);
195 expect(find.text('你好，世界'), findsOneWidget);
196
197 expect(tester.getTopLeft(find.text('hello, world')).dy, 300.0);
198 expect(tester.getBottomLeft(find.text('hello, world')).dy, 316.0);
199
200 expect(tester.getTopLeft(find.text('你好，世界')).dy, 348.0);
201 expect(tester.getBottomLeft(find.text('你好，世界')).dy, 364.0);
202 });
203
204 testWidgets('Material3 - Text baseline with EN locale', (WidgetTester tester) async {
205 // This test in combination with 'Text baseline with CJK locale' verify the baselines
206 // used to align text with ideographic baselines are reasonable. We are currently
207 // using the alphabetic baseline to lay out as the ideographic baseline is not yet
208 // properly implemented. When the ideographic baseline is better defined and implemented,
209 // the values of this test should change very slightly. See the issue this is based off
210 // of: https://github.com/flutter/flutter/issues/25782.
211 final Key targetKey = UniqueKey();
212 await tester.pumpWidget(
213 MaterialApp(
214 routes: <String, WidgetBuilder>{
215 '/next': (BuildContext context) {
216 return const Text('Next');
217 },
218 },
219 localizationsDelegates: GlobalMaterialLocalizations.delegates,
220 supportedLocales: const <Locale>[
221 Locale('en', 'US'),
222 Locale('es', 'ES'),
223 Locale('zh', 'CN'),
224 ],
225 locale: const Locale('en', 'US'),
226 home: Material(
227 child: Center(
228 child: Builder(
229 key: targetKey,
230 builder: (BuildContext context) {
231 return PopupMenuButton<int>(
232 onSelected: (int value) {
233 Navigator.pushNamed(context, '/next');
234 },
235 itemBuilder: (BuildContext context) {
236 return <PopupMenuItem<int>>[
237 const PopupMenuItem<int>(
238 value: 1,
239 child: Text('hello, world', style: TextStyle(color: Colors.blue)),
240 ),
241 const PopupMenuItem<int>(
242 value: 2,
243 child: Text('你好，世界', style: TextStyle(color: Colors.blue)),
244 ),
245 ];
246 },
247 );
248 },
249 ),
250 ),
251 ),
252 ),
253 );
254
255 await tester.tap(find.byKey(targetKey));
256 await tester.pumpAndSettle();
257
258 expect(find.text('hello, world'), findsOneWidget);
259 expect(find.text('你好，世界'), findsOneWidget);
260
261 expect(tester.getTopLeft(find.text('hello, world')).dy, 298.0);
262 expect(tester.getBottomLeft(find.text('hello, world')).dy, 318.0);
263
264 expect(tester.getTopLeft(find.text('你好，世界')).dy, 346.0);
265 expect(tester.getBottomLeft(find.text('你好，世界')).dy, 366.0);
266 });
267}
268

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