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100 lines
3.1 KiB
Dart
100 lines
3.1 KiB
Dart
// Copyright 2017 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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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/widgets.dart';
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void main() {
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testWidgets('DefaultTextStyle changes propagate to Text', (WidgetTester tester) async {
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const Text textWidget = Text('Hello', textDirection: TextDirection.ltr);
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const TextStyle s1 = TextStyle(
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fontSize: 10.0,
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fontWeight: FontWeight.w800,
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height: 123.0,
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);
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await tester.pumpWidget(const DefaultTextStyle(
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style: s1,
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child: textWidget,
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));
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RichText text = tester.firstWidget(find.byType(RichText));
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expect(text, isNotNull);
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expect(text.text.style, s1);
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await tester.pumpWidget(const DefaultTextStyle(
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style: s1,
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textAlign: TextAlign.justify,
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softWrap: false,
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overflow: TextOverflow.fade,
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maxLines: 3,
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child: textWidget,
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));
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text = tester.firstWidget(find.byType(RichText));
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expect(text, isNotNull);
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expect(text.text.style, s1);
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expect(text.textAlign, TextAlign.justify);
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expect(text.softWrap, false);
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expect(text.overflow, TextOverflow.fade);
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expect(text.maxLines, 3);
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});
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testWidgets('AnimatedDefaultTextStyle changes propagate to Text', (WidgetTester tester) async {
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const Text textWidget = Text('Hello', textDirection: TextDirection.ltr);
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const TextStyle s1 = TextStyle(
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fontSize: 10.0,
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fontWeight: FontWeight.w800,
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height: 123.0,
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);
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const TextStyle s2 = TextStyle(
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fontSize: 20.0,
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fontWeight: FontWeight.w200,
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height: 1.0,
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);
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await tester.pumpWidget(const AnimatedDefaultTextStyle(
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style: s1,
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child: textWidget,
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duration: Duration(milliseconds: 1000),
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));
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final RichText text1 = tester.firstWidget(find.byType(RichText));
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expect(text1, isNotNull);
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expect(text1.text.style, s1);
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expect(text1.textAlign, TextAlign.start);
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expect(text1.softWrap, isTrue);
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expect(text1.overflow, TextOverflow.clip);
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expect(text1.maxLines, isNull);
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await tester.pumpWidget(const AnimatedDefaultTextStyle(
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style: s2,
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textAlign: TextAlign.justify,
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softWrap: false,
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overflow: TextOverflow.fade,
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maxLines: 3,
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child: textWidget,
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duration: Duration(milliseconds: 1000),
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));
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final RichText text2 = tester.firstWidget(find.byType(RichText));
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expect(text2, isNotNull);
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expect(text2.text.style, s1); // animation hasn't started yet
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expect(text2.textAlign, TextAlign.justify);
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expect(text2.softWrap, false);
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expect(text2.overflow, TextOverflow.fade);
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expect(text2.maxLines, 3);
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await tester.pump(const Duration(milliseconds: 1000));
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final RichText text3 = tester.firstWidget(find.byType(RichText));
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expect(text3, isNotNull);
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expect(text3.text.style, s2); // animation has now finished
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expect(text3.textAlign, TextAlign.justify);
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expect(text3.softWrap, false);
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expect(text3.overflow, TextOverflow.fade);
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expect(text3.maxLines, 3);
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});
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}
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