text_test.dart 7.05 KB
Newer Older
Ian Hickson's avatar
Ian Hickson committed
1
// Copyright 2014 The Flutter Authors. All rights reserved.
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('Text baseline with CJK locale', (WidgetTester tester) async {
    // This test in combination with 'Text baseline with EN locale' verify the baselines
    // used to align text with ideographic baselines are reasonable. We are currently
    // using the alphabetic baseline to lay out as the ideographic baseline is not yet
    // properly implemented. When the ideographic baseline is better defined and implemented,
    // the values of this test should change very slightly. See the issue this is based off
    // of: https://github.com/flutter/flutter/issues/25782.
    final Key targetKey = UniqueKey();
    await tester.pumpWidget(
      MaterialApp(
        routes: <String, WidgetBuilder>{
          '/next': (BuildContext context) {
            return const Text('Next');
          },
        },
        localizationsDelegates: const <LocalizationsDelegate<dynamic>>[
          GlobalMaterialLocalizations.delegate,
        ],
        supportedLocales: const <Locale>[
          Locale('en', 'US'),
          Locale('es', 'ES'),
          Locale('zh', 'CN'),
        ],
        locale: const Locale('zh', 'CN'),
        home: Material(
          child: Center(
            child: Builder(
              key: targetKey,
              builder: (BuildContext context) {
                return PopupMenuButton<int>(
                  onSelected: (int value) {
                    Navigator.pushNamed(context, '/next');
                  },
                  itemBuilder: (BuildContext context) {
                    return <PopupMenuItem<int>>[
46
                      const PopupMenuItem<int>(
47 48 49 50 51 52
                        value: 1,
                        child: Text(
                          'hello, world',
                          style: TextStyle(color: Colors.blue),
                        ),
                      ),
53
                      const PopupMenuItem<int>(
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
                        value: 2,
                        child: Text(
                          '你好,世界',
                          style: TextStyle(color: Colors.blue),
                        ),
                      ),
                    ];
                  },
                );
              },
            ),
          ),
        ),
      ),
    );

    await tester.tap(find.byKey(targetKey));
    await tester.pumpAndSettle();

    expect(find.text('hello, world'), findsOneWidget);
    expect(find.text('你好,世界'), findsOneWidget);

    Offset topLeft = tester.getTopLeft(find.text('hello, world'));
    Offset topRight = tester.getTopRight(find.text('hello, world'));
    Offset bottomLeft = tester.getBottomLeft(find.text('hello, world'));
    Offset bottomRight = tester.getBottomRight(find.text('hello, world'));

81 82 83 84
    expect(topLeft, const Offset(392.0, 299.5));
    expect(topRight, const Offset(596.0, 299.5));
    expect(bottomLeft, const Offset(392.0, 316.5));
    expect(bottomRight, const Offset(596.0, 316.5));
85 86 87 88 89 90

    topLeft = tester.getTopLeft(find.text('你好,世界'));
    topRight = tester.getTopRight(find.text('你好,世界'));
    bottomLeft = tester.getBottomLeft(find.text('你好,世界'));
    bottomRight = tester.getBottomRight(find.text('你好,世界'));

91 92 93 94
    expect(topLeft, const Offset(392.0, 347.5));
    expect(topRight, const Offset(477.0, 347.5));
    expect(bottomLeft, const Offset(392.0, 364.5));
    expect(bottomRight, const Offset(477.0, 364.5));
95
  });
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131

  testWidgets('Text baseline with EN locale', (WidgetTester tester) async {
    // This test in combination with 'Text baseline with CJK locale' verify the baselines
    // used to align text with ideographic baselines are reasonable. We are currently
    // using the alphabetic baseline to lay out as the ideographic baseline is not yet
    // properly implemented. When the ideographic baseline is better defined and implemented,
    // the values of this test should change very slightly. See the issue this is based off
    // of: https://github.com/flutter/flutter/issues/25782.
    final Key targetKey = UniqueKey();
    await tester.pumpWidget(
      MaterialApp(
        routes: <String, WidgetBuilder>{
          '/next': (BuildContext context) {
            return const Text('Next');
          },
        },
        localizationsDelegates: const <LocalizationsDelegate<dynamic>>[
          GlobalMaterialLocalizations.delegate,
        ],
        supportedLocales: const <Locale>[
          Locale('en', 'US'),
          Locale('es', 'ES'),
          Locale('zh', 'CN'),
        ],
        locale: const Locale('en', 'US'),
        home: Material(
          child: Center(
            child: Builder(
              key: targetKey,
              builder: (BuildContext context) {
                return PopupMenuButton<int>(
                  onSelected: (int value) {
                    Navigator.pushNamed(context, '/next');
                  },
                  itemBuilder: (BuildContext context) {
                    return <PopupMenuItem<int>>[
132
                      const PopupMenuItem<int>(
133 134 135 136 137 138
                        value: 1,
                        child: Text(
                          'hello, world',
                          style: TextStyle(color: Colors.blue),
                        ),
                      ),
139
                      const PopupMenuItem<int>(
140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166
                        value: 2,
                        child: Text(
                          '你好,世界',
                          style: TextStyle(color: Colors.blue),
                        ),
                      ),
                    ];
                  },
                );
              },
            ),
          ),
        ),
      ),
    );

    await tester.tap(find.byKey(targetKey));
    await tester.pumpAndSettle();

    expect(find.text('hello, world'), findsOneWidget);
    expect(find.text('你好,世界'), findsOneWidget);

    Offset topLeft = tester.getTopLeft(find.text('hello, world'));
    Offset topRight = tester.getTopRight(find.text('hello, world'));
    Offset bottomLeft = tester.getBottomLeft(find.text('hello, world'));
    Offset bottomRight = tester.getBottomRight(find.text('hello, world'));

167 168 169 170
    expect(topLeft, const Offset(392.0, 300.0));
    expect(topRight, const Offset(584.0, 300.0));
    expect(bottomLeft, const Offset(392.0, 316));
    expect(bottomRight, const Offset(584.0, 316));
171 172 173 174 175 176

    topLeft = tester.getTopLeft(find.text('你好,世界'));
    topRight = tester.getTopRight(find.text('你好,世界'));
    bottomLeft = tester.getBottomLeft(find.text('你好,世界'));
    bottomRight = tester.getBottomRight(find.text('你好,世界'));

177 178 179 180
    expect(topLeft, const Offset(392.0, 348.0));
    expect(topRight, const Offset(472.0, 348.0));
    expect(bottomLeft, const Offset(392.0, 364.0));
    expect(bottomRight, const Offset(472.0, 364.0));
181
  });
182
}