| // 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 'package:flutter/foundation.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter/services.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../rendering/mock_canvas.dart'; |
| import '../widgets/semantics_tester.dart'; |
| |
| Widget buildSliverAppBarApp({ |
| bool floating = false, |
| bool pinned = false, |
| double? collapsedHeight, |
| double? expandedHeight, |
| bool snap = false, |
| double toolbarHeight = kToolbarHeight, |
| }) { |
| return Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: const MediaQueryData(), |
| child: Scaffold( |
| body: DefaultTabController( |
| length: 3, |
| child: CustomScrollView( |
| primary: true, |
| slivers: <Widget>[ |
| SliverAppBar( |
| title: const Text('AppBar Title'), |
| floating: floating, |
| pinned: pinned, |
| collapsedHeight: collapsedHeight, |
| expandedHeight: expandedHeight, |
| toolbarHeight: toolbarHeight, |
| snap: snap, |
| bottom: TabBar( |
| tabs: <String>['A','B','C'].map<Widget>((String t) => Tab(text: 'TAB $t')).toList(), |
| ), |
| ), |
| SliverToBoxAdapter( |
| child: Container( |
| height: 1200.0, |
| color: Colors.orange[400], |
| ), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| ScrollController primaryScrollController(WidgetTester tester) { |
| return PrimaryScrollController.of(tester.element(find.byType(CustomScrollView)))!; |
| } |
| |
| double appBarHeight(WidgetTester tester) => tester.getSize(find.byType(AppBar, skipOffstage: false)).height; |
| double appBarTop(WidgetTester tester) => tester.getTopLeft(find.byType(AppBar, skipOffstage: false)).dy; |
| double appBarBottom(WidgetTester tester) => tester.getBottomLeft(find.byType(AppBar, skipOffstage: false)).dy; |
| |
| double tabBarHeight(WidgetTester tester) => tester.getSize(find.byType(TabBar, skipOffstage: false)).height; |
| |
| void main() { |
| setUp(() { |
| debugResetSemanticsIdCounter(); |
| }); |
| |
| testWidgets('AppBar centers title on iOS', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(platform: TargetPlatform.android), |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('X'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder title = find.text('X'); |
| Offset center = tester.getCenter(title); |
| Size size = tester.getSize(title); |
| expect(center.dx, lessThan(400 - size.width / 2.0)); |
| |
| for (final TargetPlatform platform in <TargetPlatform>[TargetPlatform.iOS, TargetPlatform.macOS]) { |
| // Clear the widget tree to avoid animating between platforms. |
| await tester.pumpWidget(Container(key: UniqueKey())); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(platform: platform), |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('X'), |
| ), |
| ), |
| ), |
| ); |
| |
| center = tester.getCenter(title); |
| size = tester.getSize(title); |
| expect(center.dx, greaterThan(400 - size.width / 2.0), reason: 'on ${describeEnum(platform)}'); |
| expect(center.dx, lessThan(400 + size.width / 2.0), reason: 'on ${describeEnum(platform)}'); |
| |
| // One action is still centered. |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(platform: platform), |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('X'), |
| actions: const <Widget>[ |
| Icon(Icons.thumb_up), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| center = tester.getCenter(title); |
| size = tester.getSize(title); |
| expect(center.dx, greaterThan(400 - size.width / 2.0), reason: 'on ${describeEnum(platform)}'); |
| expect(center.dx, lessThan(400 + size.width / 2.0), reason: 'on ${describeEnum(platform)}'); |
| |
| // Two actions is left aligned again. |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(platform: platform), |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('X'), |
| actions: const <Widget>[ |
| Icon(Icons.thumb_up), |
| Icon(Icons.thumb_up), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| center = tester.getCenter(title); |
| size = tester.getSize(title); |
| expect(center.dx, lessThan(400 - size.width / 2.0), reason: 'on ${describeEnum(platform)}'); |
| } |
| }); |
| |
| testWidgets('AppBar centerTitle:true centers on Android', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(platform: TargetPlatform.android), |
| home: Scaffold( |
| appBar: AppBar( |
| centerTitle: true, |
| title: const Text('X'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder title = find.text('X'); |
| final Offset center = tester.getCenter(title); |
| final Size size = tester.getSize(title); |
| expect(center.dx, greaterThan(400 - size.width / 2.0)); |
| expect(center.dx, lessThan(400 + size.width / 2.0)); |
| }); |
| |
| testWidgets('AppBar centerTitle:false title start edge is 16.0 (LTR)', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| centerTitle: false, |
| title: const Placeholder(key: Key('X')), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder titleWidget = find.byKey(const Key('X')); |
| expect(tester.getTopLeft(titleWidget).dx, 16.0); |
| expect(tester.getTopRight(titleWidget).dx, 800 - 16.0); |
| }); |
| |
| testWidgets('AppBar centerTitle:false title start edge is 16.0 (RTL)', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Scaffold( |
| appBar: AppBar( |
| centerTitle: false, |
| title: const Placeholder(key: Key('X')), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder titleWidget = find.byKey(const Key('X')); |
| expect(tester.getTopRight(titleWidget).dx, 800.0 - 16.0); |
| expect(tester.getTopLeft(titleWidget).dx, 16.0); |
| }); |
| |
| testWidgets('AppBar titleSpacing:32 title start edge is 32.0 (LTR)', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| centerTitle: false, |
| titleSpacing: 32.0, |
| title: const Placeholder(key: Key('X')), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder titleWidget = find.byKey(const Key('X')); |
| expect(tester.getTopLeft(titleWidget).dx, 32.0); |
| expect(tester.getTopRight(titleWidget).dx, 800 - 32.0); |
| }); |
| |
| testWidgets('AppBar titleSpacing:32 title start edge is 32.0 (RTL)', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Scaffold( |
| appBar: AppBar( |
| centerTitle: false, |
| titleSpacing: 32.0, |
| title: const Placeholder(key: Key('X')), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder titleWidget = find.byKey(const Key('X')); |
| expect(tester.getTopRight(titleWidget).dx, 800.0 - 32.0); |
| expect(tester.getTopLeft(titleWidget).dx, 32.0); |
| }); |
| |
| testWidgets( |
| 'AppBar centerTitle:false leading button title left edge is 72.0 (LTR)', |
| (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| centerTitle: false, |
| title: const Text('X'), |
| ), |
| // A drawer causes a leading hamburger. |
| drawer: const Drawer(), |
| ), |
| ), |
| ); |
| |
| expect(tester.getTopLeft(find.text('X')).dx, 72.0); |
| }); |
| |
| testWidgets( |
| 'AppBar centerTitle:false leading button title left edge is 72.0 (RTL)', |
| (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Scaffold( |
| appBar: AppBar( |
| centerTitle: false, |
| title: const Text('X'), |
| ), |
| // A drawer causes a leading hamburger. |
| drawer: const Drawer(), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getTopRight(find.text('X')).dx, 800.0 - 72.0); |
| }); |
| |
| testWidgets('AppBar centerTitle:false title overflow OK', (WidgetTester tester) async { |
| // The app bar's title should be constrained to fit within the available space |
| // between the leading and actions widgets. |
| |
| final Key titleKey = UniqueKey(); |
| Widget leading = Container(); |
| List<Widget> actions = <Widget>[]; |
| |
| Widget buildApp() { |
| return MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| leading: leading, |
| centerTitle: false, |
| title: Container( |
| key: titleKey, |
| constraints: BoxConstraints.loose(const Size(1000.0, 1000.0)), |
| ), |
| actions: actions, |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(buildApp()); |
| |
| final Finder title = find.byKey(titleKey); |
| expect(tester.getTopLeft(title).dx, 72.0); |
| expect(tester.getSize(title).width, equals( |
| 800.0 // Screen width. |
| - 56.0 // Leading button width. |
| - 16.0 // Leading button to title padding. |
| - 16.0)); // Title right side padding. |
| |
| actions = <Widget>[ |
| const SizedBox(width: 100.0), |
| const SizedBox(width: 100.0), |
| ]; |
| await tester.pumpWidget(buildApp()); |
| |
| expect(tester.getTopLeft(title).dx, 72.0); |
| // The title shrinks by 200.0 to allow for the actions widgets. |
| expect(tester.getSize(title).width, equals( |
| 800.0 // Screen width. |
| - 56.0 // Leading button width. |
| - 16.0 // Leading button to title padding. |
| - 16.0 // Title to actions padding |
| - 200.0)); // Actions' width. |
| |
| leading = Container(); // AppBar will constrain the width to 24.0 |
| await tester.pumpWidget(buildApp()); |
| expect(tester.getTopLeft(title).dx, 72.0); |
| // Adding a leading widget shouldn't effect the title's size |
| expect(tester.getSize(title).width, equals(800.0 - 56.0 - 16.0 - 16.0 - 200.0)); |
| }); |
| |
| testWidgets('AppBar centerTitle:true title overflow OK (LTR)', (WidgetTester tester) async { |
| // The app bar's title should be constrained to fit within the available space |
| // between the leading and actions widgets. When it's also centered it may |
| // also be start or end justified if it doesn't fit in the overall center. |
| |
| final Key titleKey = UniqueKey(); |
| double titleWidth = 700.0; |
| Widget? leading = Container(); |
| List<Widget> actions = <Widget>[]; |
| |
| Widget buildApp() { |
| return MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| leading: leading, |
| centerTitle: true, |
| title: Container( |
| key: titleKey, |
| constraints: BoxConstraints.loose(Size(titleWidth, 1000.0)), |
| ), |
| actions: actions, |
| ), |
| ), |
| ); |
| } |
| |
| // Centering a title with width 700 within the 800 pixel wide test widget |
| // would mean that its start edge would have to be 50. The material spec says |
| // that the start edge of the title must be at least 72. |
| await tester.pumpWidget(buildApp()); |
| |
| final Finder title = find.byKey(titleKey); |
| expect(tester.getTopLeft(title).dx, 72.0); |
| expect(tester.getSize(title).width, equals(700.0)); |
| |
| // Centering a title with width 620 within the 800 pixel wide test widget |
| // would mean that its start edge would have to be 90. We reserve 72 |
| // on the start and the padded actions occupy 96 on the end. That |
| // leaves 632, so the title is end justified but its width isn't changed. |
| |
| await tester.pumpWidget(buildApp()); |
| leading = null; |
| titleWidth = 620.0; |
| actions = <Widget>[ |
| const SizedBox(width: 48.0), |
| const SizedBox(width: 48.0), |
| ]; |
| await tester.pumpWidget(buildApp()); |
| expect(tester.getTopLeft(title).dx, 800 - 620 - 48 - 48); |
| expect(tester.getSize(title).width, equals(620.0)); |
| }); |
| |
| testWidgets('AppBar centerTitle:true title overflow OK (RTL)', (WidgetTester tester) async { |
| // The app bar's title should be constrained to fit within the available space |
| // between the leading and actions widgets. When it's also centered it may |
| // also be start or end justified if it doesn't fit in the overall center. |
| |
| final Key titleKey = UniqueKey(); |
| double titleWidth = 700.0; |
| Widget? leading = Container(); |
| List<Widget> actions = <Widget>[]; |
| |
| Widget buildApp() { |
| return MaterialApp( |
| home: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Scaffold( |
| appBar: AppBar( |
| leading: leading, |
| centerTitle: true, |
| title: Container( |
| key: titleKey, |
| constraints: BoxConstraints.loose(Size(titleWidth, 1000.0)), |
| ), |
| actions: actions, |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| // Centering a title with width 700 within the 800 pixel wide test widget |
| // would mean that its start edge would have to be 50. The material spec says |
| // that the start edge of the title must be at least 72. |
| await tester.pumpWidget(buildApp()); |
| |
| final Finder title = find.byKey(titleKey); |
| expect(tester.getTopRight(title).dx, 800.0 - 72.0); |
| expect(tester.getSize(title).width, equals(700.0)); |
| |
| // Centering a title with width 620 within the 800 pixel wide test widget |
| // would mean that its start edge would have to be 90. We reserve 72 |
| // on the start and the padded actions occupy 96 on the end. That |
| // leaves 632, so the title is end justified but its width isn't changed. |
| |
| await tester.pumpWidget(buildApp()); |
| leading = null; |
| titleWidth = 620.0; |
| actions = <Widget>[ |
| const SizedBox(width: 48.0), |
| const SizedBox(width: 48.0), |
| ]; |
| await tester.pumpWidget(buildApp()); |
| expect(tester.getTopRight(title).dx, 620 + 48 + 48); |
| expect(tester.getSize(title).width, equals(620.0)); |
| }); |
| |
| testWidgets('AppBar with no Scaffold', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: SizedBox( |
| height: kToolbarHeight, |
| child: AppBar( |
| leading: const Text('L'), |
| title: const Text('No Scaffold'), |
| actions: const <Widget>[Text('A1'), Text('A2')], |
| ), |
| ), |
| ), |
| ); |
| |
| expect(find.text('L'), findsOneWidget); |
| expect(find.text('No Scaffold'), findsOneWidget); |
| expect(find.text('A1'), findsOneWidget); |
| expect(find.text('A2'), findsOneWidget); |
| }); |
| |
| testWidgets('AppBar render at zero size', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: Container( |
| height: 0.0, |
| width: 0.0, |
| child: Scaffold( |
| appBar: AppBar( |
| title: const Text('X'), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder title = find.text('X'); |
| expect(tester.getSize(title).isEmpty, isTrue); |
| }); |
| |
| testWidgets('AppBar actions are vertically centered', (WidgetTester tester) async { |
| final UniqueKey appBarKey = UniqueKey(); |
| final UniqueKey leadingKey = UniqueKey(); |
| final UniqueKey titleKey = UniqueKey(); |
| final UniqueKey action0Key = UniqueKey(); |
| final UniqueKey action1Key = UniqueKey(); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| key: appBarKey, |
| leading: SizedBox(key: leadingKey, height: 50.0), |
| title: SizedBox(key: titleKey, height: 40.0), |
| actions: <Widget>[ |
| SizedBox(key: action0Key, height: 20.0), |
| SizedBox(key: action1Key, height: 30.0), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| // The vertical center of the widget with key, in global coordinates. |
| double yCenter(Key key) => tester.getCenter(find.byKey(key)).dy; |
| |
| expect(yCenter(appBarKey), equals(yCenter(leadingKey))); |
| expect(yCenter(appBarKey), equals(yCenter(titleKey))); |
| expect(yCenter(appBarKey), equals(yCenter(action0Key))); |
| expect(yCenter(appBarKey), equals(yCenter(action1Key))); |
| }); |
| |
| testWidgets('leading button extends to edge and is square', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(platform: TargetPlatform.android), |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('X'), |
| ), |
| drawer: Column(), // Doesn't really matter. Triggers a hamburger regardless. |
| ), |
| ), |
| ); |
| |
| final Finder hamburger = find.byTooltip('Open navigation menu'); |
| expect(tester.getTopLeft(hamburger), const Offset(0.0, 0.0)); |
| expect(tester.getSize(hamburger), const Size(56.0, 56.0)); |
| }); |
| |
| testWidgets('test action is 4dp from edge and 48dp min', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(platform: TargetPlatform.android), |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('X'), |
| actions: const <Widget> [ |
| IconButton( |
| icon: Icon(Icons.share), |
| onPressed: null, |
| tooltip: 'Share', |
| iconSize: 20.0, |
| ), |
| IconButton( |
| icon: Icon(Icons.add), |
| onPressed: null, |
| tooltip: 'Add', |
| iconSize: 60.0, |
| ), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder addButton = find.byTooltip('Add'); |
| expect(tester.getTopRight(addButton), const Offset(800.0, 0.0)); |
| // It's still the size it was plus the 2 * 8dp padding from IconButton. |
| expect(tester.getSize(addButton), const Size(60.0 + 2 * 8.0, 56.0)); |
| |
| final Finder shareButton = find.byTooltip('Share'); |
| // The 20dp icon is expanded to fill the IconButton's touch target to 48dp. |
| expect(tester.getSize(shareButton), const Size(48.0, 56.0)); |
| }); |
| |
| testWidgets('SliverAppBar default configuration', (WidgetTester tester) async { |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: false, |
| pinned: false, |
| expandedHeight: null, |
| )); |
| |
| final ScrollController controller = primaryScrollController(tester); |
| expect(controller.offset, 0.0); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| |
| final double initialAppBarHeight = appBarHeight(tester); |
| final double initialTabBarHeight = tabBarHeight(tester); |
| |
| // Scroll the not-pinned appbar partially out of view |
| controller.jumpTo(50.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), initialAppBarHeight); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| |
| // Scroll the not-pinned appbar out of view |
| controller.jumpTo(600.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsNothing); |
| expect(appBarHeight(tester), initialAppBarHeight); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| |
| // Scroll the not-pinned appbar back into view |
| controller.jumpTo(0.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), initialAppBarHeight); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| }); |
| |
| testWidgets('SliverAppBar expandedHeight, pinned', (WidgetTester tester) async { |
| |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: false, |
| pinned: true, |
| expandedHeight: 128.0, |
| )); |
| |
| final ScrollController controller = primaryScrollController(tester); |
| expect(controller.offset, 0.0); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), 128.0); |
| |
| const double initialAppBarHeight = 128.0; |
| final double initialTabBarHeight = tabBarHeight(tester); |
| |
| // Scroll the not-pinned appbar, collapsing the expanded height. At this |
| // point both the toolbar and the tabbar are visible. |
| controller.jumpTo(600.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| expect(appBarHeight(tester), lessThan(initialAppBarHeight)); |
| expect(appBarHeight(tester), greaterThan(initialTabBarHeight)); |
| |
| // Scroll the not-pinned appbar back into view |
| controller.jumpTo(0.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), initialAppBarHeight); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| }); |
| |
| testWidgets('SliverAppBar expandedHeight, pinned and floating', (WidgetTester tester) async { |
| |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: true, |
| pinned: true, |
| expandedHeight: 128.0, |
| )); |
| |
| final ScrollController controller = primaryScrollController(tester); |
| expect(controller.offset, 0.0); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), 128.0); |
| |
| const double initialAppBarHeight = 128.0; |
| final double initialTabBarHeight = tabBarHeight(tester); |
| |
| // Scroll the floating-pinned appbar, collapsing the expanded height. At this |
| // point only the tabBar is visible. |
| controller.jumpTo(600.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| expect(appBarHeight(tester), lessThan(initialAppBarHeight)); |
| expect(appBarHeight(tester), initialTabBarHeight); |
| |
| // Scroll the floating-pinned appbar back into view |
| controller.jumpTo(0.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), initialAppBarHeight); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| }); |
| |
| testWidgets('SliverAppBar expandedHeight, floating with snap:true', (WidgetTester tester) async { |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: true, |
| pinned: false, |
| snap: true, |
| expandedHeight: 128.0, |
| )); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), 128.0); |
| expect(appBarBottom(tester), 128.0); |
| |
| // Scroll to the middle of the list. The (floating) appbar is no longer visible. |
| final ScrollPosition position = tester.state<ScrollableState>(find.byType(Scrollable)).position; |
| position.jumpTo(256.00); |
| await tester.pumpAndSettle(); |
| expect(find.byType(SliverAppBar), findsNothing); |
| expect(appBarTop(tester), lessThanOrEqualTo(-128.0)); |
| |
| // Drag the scrollable up and down. The app bar should not snap open, its |
| // height should just track the drag offset. |
| TestGesture gesture = await tester.startGesture(const Offset(50.0, 256.0)); |
| await gesture.moveBy(const Offset(0.0, 128.0)); // drag the appbar all the way open |
| await tester.pump(); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), 128.0); |
| |
| await gesture.moveBy(const Offset(0.0, -50.0)); |
| await tester.pump(); |
| expect(appBarBottom(tester), 78.0); // 78 == 128 - 50 |
| |
| // Trigger the snap open animation: drag down and release |
| await gesture.moveBy(const Offset(0.0, 10.0)); |
| await gesture.up(); |
| |
| // Now verify that the appbar is animating open |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| double bottom = appBarBottom(tester); |
| expect(bottom, greaterThan(88.0)); // 88 = 78 + 10 |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(appBarBottom(tester), greaterThan(bottom)); |
| |
| // The animation finishes when the appbar is full height. |
| await tester.pumpAndSettle(); |
| expect(appBarHeight(tester), 128.0); |
| |
| // Now that the app bar is open, perform the same drag scenario |
| // in reverse: drag the appbar up and down and then trigger the |
| // snap closed animation. |
| gesture = await tester.startGesture(const Offset(50.0, 256.0)); |
| await gesture.moveBy(const Offset(0.0, -128.0)); // drag the appbar closed |
| await tester.pump(); |
| expect(appBarBottom(tester), 0.0); |
| |
| await gesture.moveBy(const Offset(0.0, 100.0)); |
| await tester.pump(); |
| expect(appBarBottom(tester), 100.0); |
| |
| // Trigger the snap close animation: drag upwards and release |
| await gesture.moveBy(const Offset(0.0, -10.0)); |
| await gesture.up(); |
| |
| // Now verify that the appbar is animating closed |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| bottom = appBarBottom(tester); |
| expect(bottom, lessThan(90.0)); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(appBarBottom(tester), lessThan(bottom)); |
| |
| // The animation finishes when the appbar is off screen. |
| await tester.pumpAndSettle(); |
| expect(appBarTop(tester), lessThanOrEqualTo(0.0)); |
| expect(appBarBottom(tester), lessThanOrEqualTo(0.0)); |
| }); |
| |
| testWidgets('SliverAppBar expandedHeight, floating and pinned with snap:true', (WidgetTester tester) async { |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: true, |
| pinned: true, |
| snap: true, |
| expandedHeight: 128.0, |
| )); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), 128.0); |
| expect(appBarBottom(tester), 128.0); |
| |
| // Scroll to the middle of the list. The only the tab bar is visible |
| // because this is a pinned appbar. |
| final ScrollPosition position = tester.state<ScrollableState>(find.byType(Scrollable)).position; |
| position.jumpTo(256.0); |
| await tester.pumpAndSettle(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), kTextTabBarHeight); |
| |
| // Drag the scrollable up and down. The app bar should not snap open, the |
| // bottom of the appbar should just track the drag offset. |
| TestGesture gesture = await tester.startGesture(const Offset(50.0, 200.0)); |
| await gesture.moveBy(const Offset(0.0, 100.0)); |
| await tester.pump(); |
| expect(appBarHeight(tester), 100.0); |
| |
| await gesture.moveBy(const Offset(0.0, -25.0)); |
| await tester.pump(); |
| expect(appBarHeight(tester), 75.0); |
| |
| // Trigger the snap animation: drag down and release |
| await gesture.moveBy(const Offset(0.0, 10.0)); |
| await gesture.up(); |
| |
| // Now verify that the appbar is animating open |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| final double height = appBarHeight(tester); |
| expect(height, greaterThan(85.0)); |
| expect(height, lessThan(128.0)); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(appBarHeight(tester), greaterThan(height)); |
| expect(appBarHeight(tester), lessThan(128.0)); |
| |
| // The animation finishes when the appbar is fully expanded |
| await tester.pumpAndSettle(); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), 128.0); |
| expect(appBarBottom(tester), 128.0); |
| |
| // Now that the appbar is fully expanded, Perform the same drag |
| // scenario in reverse: drag the appbar up and down and then trigger |
| // the snap closed animation. |
| gesture = await tester.startGesture(const Offset(50.0, 256.0)); |
| await gesture.moveBy(const Offset(0.0, -128.0)); |
| await tester.pump(); |
| expect(appBarBottom(tester), kTextTabBarHeight); |
| |
| await gesture.moveBy(const Offset(0.0, 100.0)); |
| await tester.pump(); |
| expect(appBarBottom(tester), 100.0); |
| |
| // Trigger the snap close animation: drag upwards and release |
| await gesture.moveBy(const Offset(0.0, -10.0)); |
| await gesture.up(); |
| |
| // Now verify that the appbar is animating closed |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| final double bottom = appBarBottom(tester); |
| expect(bottom, lessThan(90.0)); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| expect(appBarBottom(tester), lessThan(bottom)); |
| |
| // The animation finishes when the appbar shrinks back to its pinned height |
| await tester.pumpAndSettle(); |
| expect(appBarTop(tester), lessThanOrEqualTo(0.0)); |
| expect(appBarBottom(tester), kTextTabBarHeight); |
| }); |
| |
| testWidgets('SliverAppBar expandedHeight, collapsedHeight', (WidgetTester tester) async { |
| const double expandedAppBarHeight = 400.0; |
| const double collapsedAppBarHeight = 200.0; |
| |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: false, |
| pinned: false, |
| collapsedHeight: collapsedAppBarHeight, |
| expandedHeight: expandedAppBarHeight, |
| )); |
| |
| final ScrollController controller = primaryScrollController(tester); |
| expect(controller.offset, 0.0); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), expandedAppBarHeight); |
| |
| final double initialTabBarHeight = tabBarHeight(tester); |
| |
| // Scroll the not-pinned appbar partially out of view. |
| controller.jumpTo(50.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), expandedAppBarHeight - 50.0); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| |
| // Scroll the not-pinned appbar out of view, to its collapsed height. |
| controller.jumpTo(600.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsNothing); |
| expect(appBarHeight(tester), collapsedAppBarHeight + initialTabBarHeight); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| |
| // Scroll the not-pinned appbar back into view. |
| controller.jumpTo(0.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsOneWidget); |
| expect(appBarHeight(tester), expandedAppBarHeight); |
| expect(tabBarHeight(tester), initialTabBarHeight); |
| }); |
| |
| testWidgets('SliverAppBar rebuilds when forceElevated changes', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/59158. |
| Widget buildSliverAppBar(bool forceElevated) { |
| return MaterialApp( |
| home: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| title: const Text('Title'), |
| forceElevated: forceElevated, |
| ), |
| ], |
| ), |
| ); |
| } |
| |
| final Finder appBarFinder = find.byType(AppBar); |
| AppBar getAppBarWidget(Finder finder) => tester.widget<AppBar>(finder); |
| |
| await tester.pumpWidget(buildSliverAppBar(false)); |
| expect(getAppBarWidget(appBarFinder).elevation, 0.0); |
| |
| await tester.pumpWidget(buildSliverAppBar(true)); |
| expect(getAppBarWidget(appBarFinder).elevation, 4.0); |
| }); |
| |
| testWidgets('AppBar dimensions, with and without bottom, primary', (WidgetTester tester) async { |
| const MediaQueryData topPadding100 = MediaQueryData(padding: EdgeInsets.only(top: 100.0)); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: topPadding100, |
| child: Scaffold( |
| primary: false, |
| appBar: AppBar(), |
| ), |
| ), |
| ), |
| )); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), kToolbarHeight); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: topPadding100, |
| child: Scaffold( |
| primary: true, |
| appBar: AppBar(title: const Text('title')), |
| ), |
| ), |
| ), |
| )); |
| expect(appBarTop(tester), 0.0); |
| expect(tester.getTopLeft(find.text('title')).dy, greaterThan(100.0)); |
| expect(appBarHeight(tester), kToolbarHeight + 100.0); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: topPadding100, |
| child: Scaffold( |
| primary: false, |
| appBar: AppBar( |
| bottom: PreferredSize( |
| preferredSize: const Size.fromHeight(200.0), |
| child: Container(), |
| ), |
| ), |
| ), |
| ), |
| ), |
| )); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), kToolbarHeight + 200.0); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: topPadding100, |
| child: Scaffold( |
| primary: true, |
| appBar: AppBar( |
| bottom: PreferredSize( |
| preferredSize: const Size.fromHeight(200.0), |
| child: Container(), |
| ), |
| ), |
| ), |
| ), |
| ), |
| )); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), kToolbarHeight + 100.0 + 200.0); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: topPadding100, |
| child: AppBar( |
| primary: false, |
| title: const Text('title'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| expect(appBarTop(tester), 0.0); |
| expect(tester.getTopLeft(find.text('title')).dy, lessThan(100.0)); |
| }); |
| |
| testWidgets('AppBar in body excludes bottom SafeArea padding', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/26163 |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: const MediaQueryData(padding: EdgeInsets.symmetric(vertical: 100.0)), |
| child: Scaffold( |
| primary: true, |
| body: Column( |
| children: <Widget>[ |
| AppBar( |
| title: const Text('title'), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ), |
| )); |
| expect(appBarTop(tester), 0.0); |
| expect(appBarHeight(tester), kToolbarHeight + 100.0); |
| }); |
| |
| testWidgets('AppBar updates when you add a drawer', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| appBar: AppBar(), |
| ), |
| ), |
| ); |
| expect(find.byIcon(Icons.menu), findsNothing); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| drawer: const Drawer(), |
| appBar: AppBar(), |
| ), |
| ), |
| ); |
| expect(find.byIcon(Icons.menu), findsOneWidget); |
| }); |
| |
| testWidgets('AppBar does not draw menu for drawer if automaticallyImplyLeading is false', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| drawer: const Drawer(), |
| appBar: AppBar(automaticallyImplyLeading: false), |
| ), |
| ), |
| ); |
| expect(find.byIcon(Icons.menu), findsNothing); |
| }); |
| |
| testWidgets('AppBar ink splash draw on the correct canvas', (WidgetTester tester) async { |
| // This is a regression test for https://github.com/flutter/flutter/issues/58665 |
| final Key key = UniqueKey(); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: AppBar( |
| title: const Text('Abc'), |
| actions: <Widget>[ |
| IconButton( |
| key: key, |
| icon: const Icon(Icons.add_circle), |
| tooltip: 'First button', |
| onPressed: () {}, |
| ), |
| ], |
| flexibleSpace: DecoratedBox( |
| decoration: BoxDecoration( |
| gradient: LinearGradient( |
| begin: const Alignment(0.0, -1.0), |
| end: const Alignment(-0.04, 1.0), |
| colors: <Color>[Colors.blue.shade500, Colors.blue.shade800], |
| ), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| final RenderObject painter = tester.renderObject( |
| find.descendant( |
| of: find.descendant( |
| of: find.byType(AppBar), |
| matching: find.byType(Stack), |
| ), |
| matching: find.byType(Material) |
| ) |
| ); |
| await tester.tap(find.byKey(key)); |
| expect(painter, paints..save()..translate()..save()..translate()..circle(x: 24.0, y: 28.0)); |
| }); |
| |
| testWidgets('AppBar handles loose children 0', (WidgetTester tester) async { |
| final GlobalKey key = GlobalKey(); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: AppBar( |
| leading: Placeholder(key: key), |
| title: const Text('Abc'), |
| actions: const <Widget>[ |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| ], |
| ), |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).localToGlobal(Offset.zero), const Offset(0.0, 0.0)); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).size, const Size(56.0, 56.0)); |
| }); |
| |
| testWidgets('AppBar handles loose children 1', (WidgetTester tester) async { |
| final GlobalKey key = GlobalKey(); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: AppBar( |
| leading: Placeholder(key: key), |
| title: const Text('Abc'), |
| actions: const <Widget>[ |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| ], |
| flexibleSpace: DecoratedBox( |
| decoration: BoxDecoration( |
| gradient: LinearGradient( |
| begin: const Alignment(0.0, -1.0), |
| end: const Alignment(-0.04, 1.0), |
| colors: <Color>[Colors.blue.shade500, Colors.blue.shade800], |
| ), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).localToGlobal(Offset.zero), const Offset(0.0, 0.0)); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).size, const Size(56.0, 56.0)); |
| }); |
| |
| testWidgets('AppBar handles loose children 2', (WidgetTester tester) async { |
| final GlobalKey key = GlobalKey(); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: AppBar( |
| leading: Placeholder(key: key), |
| title: const Text('Abc'), |
| actions: const <Widget>[ |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| ], |
| flexibleSpace: DecoratedBox( |
| decoration: BoxDecoration( |
| gradient: LinearGradient( |
| begin: const Alignment(0.0, -1.0), |
| end: const Alignment(-0.04, 1.0), |
| colors: <Color>[Colors.blue.shade500, Colors.blue.shade800], |
| ), |
| ), |
| ), |
| bottom: PreferredSize( |
| preferredSize: const Size(0.0, kToolbarHeight), |
| child: Container( |
| height: 50.0, |
| padding: const EdgeInsets.all(4.0), |
| child: const Placeholder( |
| strokeWidth: 2.0, |
| color: Color(0xFFFFFFFF), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).localToGlobal(Offset.zero), const Offset(0.0, 0.0)); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).size, const Size(56.0, 56.0)); |
| }); |
| |
| testWidgets('AppBar handles loose children 3', (WidgetTester tester) async { |
| final GlobalKey key = GlobalKey(); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: AppBar( |
| leading: Placeholder(key: key), |
| title: const Text('Abc'), |
| actions: const <Widget>[ |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| Placeholder(fallbackWidth: 10.0), |
| ], |
| bottom: PreferredSize( |
| preferredSize: const Size(0.0, kToolbarHeight), |
| child: Container( |
| height: 50.0, |
| padding: const EdgeInsets.all(4.0), |
| child: const Placeholder( |
| strokeWidth: 2.0, |
| color: Color(0xFFFFFFFF), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).localToGlobal(Offset.zero), const Offset(0.0, 0.0)); |
| expect(tester.renderObject<RenderBox>(find.byKey(key)).size, const Size(56.0, 56.0)); |
| }); |
| |
| testWidgets('AppBar positioning of leading and trailing widgets with top padding', (WidgetTester tester) async { |
| const MediaQueryData topPadding100 = MediaQueryData(padding: EdgeInsets.only(top: 100)); |
| |
| final Key leadingKey = UniqueKey(); |
| final Key titleKey = UniqueKey(); |
| final Key trailingKey = UniqueKey(); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.rtl, |
| child: MediaQuery( |
| data: topPadding100, |
| child: Scaffold( |
| primary: false, |
| appBar: AppBar( |
| leading: Placeholder(key: leadingKey), // Forced to 56x56, see _kLeadingWidth in app_bar.dart. |
| title: Placeholder(key: titleKey, fallbackHeight: kToolbarHeight), |
| actions: <Widget>[ Placeholder(key: trailingKey, fallbackWidth: 10) ], |
| ), |
| ), |
| ), |
| ), |
| )); |
| expect(tester.getTopLeft(find.byType(AppBar)), const Offset(0, 0)); |
| expect(tester.getTopLeft(find.byKey(leadingKey)), const Offset(800.0 - 56.0, 100)); |
| expect(tester.getTopLeft(find.byKey(trailingKey)), const Offset(0.0, 100)); |
| |
| // Because the topPadding eliminates the vertical space for the |
| // NavigationToolbar within the AppBar, the toolbar is constrained |
| // with minHeight=maxHeight=0. The _AppBarTitle widget vertically centers |
| // the title, so its Y coordinate relative to the toolbar is -kToolbarHeight / 2 |
| // (-28). The top of the toolbar is at (screen coordinates) y=100, so the |
| // top of the title is 100 + -28 = 72. The toolbar clips its contents |
| // so the title isn't actually visible. |
| expect(tester.getTopLeft(find.byKey(titleKey)), const Offset(10 + NavigationToolbar.kMiddleSpacing, 72)); |
| }); |
| |
| testWidgets('SliverAppBar positioning of leading and trailing widgets with top padding', (WidgetTester tester) async { |
| const MediaQueryData topPadding100 = MediaQueryData(padding: EdgeInsets.only(top: 100.0)); |
| |
| final Key leadingKey = UniqueKey(); |
| final Key titleKey = UniqueKey(); |
| final Key trailingKey = UniqueKey(); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.rtl, |
| child: MediaQuery( |
| data: topPadding100, |
| child: CustomScrollView( |
| primary: true, |
| slivers: <Widget>[ |
| SliverAppBar( |
| leading: Placeholder(key: leadingKey), |
| title: Placeholder(key: titleKey, fallbackHeight: kToolbarHeight), |
| actions: <Widget>[ Placeholder(key: trailingKey) ], |
| ), |
| ], |
| ), |
| ), |
| ), |
| )); |
| expect(tester.getTopLeft(find.byType(AppBar)), const Offset(0.0, 0.0)); |
| expect(tester.getTopLeft(find.byKey(leadingKey)), const Offset(800.0 - 56.0, 100.0)); |
| expect(tester.getTopLeft(find.byKey(titleKey)), const Offset(416.0, 100.0)); |
| expect(tester.getTopLeft(find.byKey(trailingKey)), const Offset(0.0, 100.0)); |
| }); |
| |
| testWidgets('SliverAppBar positioning of leading and trailing widgets with bottom padding', (WidgetTester tester) async { |
| const MediaQueryData topPadding100 = MediaQueryData(padding: EdgeInsets.only(top: 100.0, bottom: 50.0)); |
| |
| final Key leadingKey = UniqueKey(); |
| final Key titleKey = UniqueKey(); |
| final Key trailingKey = UniqueKey(); |
| |
| await tester.pumpWidget( |
| Localizations( |
| locale: const Locale('en', 'US'), |
| delegates: const <LocalizationsDelegate<dynamic>>[ |
| DefaultMaterialLocalizations.delegate, |
| DefaultWidgetsLocalizations.delegate, |
| ], |
| child: Directionality( |
| textDirection: TextDirection.rtl, |
| child: MediaQuery( |
| data: topPadding100, |
| child: CustomScrollView( |
| primary: true, |
| slivers: <Widget>[ |
| SliverAppBar( |
| leading: Placeholder(key: leadingKey), |
| title: Placeholder(key: titleKey), |
| actions: <Widget>[ Placeholder(key: trailingKey) ], |
| ), |
| ], |
| ), |
| ), |
| ), |
| )); |
| expect(tester.getRect(find.byType(AppBar)), const Rect.fromLTRB(0.0, 0.0, 800.00, 100.0 + 56.0)); |
| expect(tester.getRect(find.byKey(leadingKey)), const Rect.fromLTRB(800.0 - 56.0, 100.0, 800.0, 100.0 + 56.0)); |
| expect(tester.getRect(find.byKey(trailingKey)), const Rect.fromLTRB(0.0, 100.0, 400.0, 100.0 + 56.0)); |
| }); |
| |
| testWidgets('SliverAppBar provides correct semantics in LTR', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: AppBar( |
| leading: const Text('Leading'), |
| title: const Text('Title'), |
| actions: const <Widget>[ |
| Text('Action 1'), |
| Text('Action 2'), |
| Text('Action 3'), |
| ], |
| bottom: const PreferredSize( |
| preferredSize: Size(0.0, kToolbarHeight), |
| child: Text('Bottom'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics> [ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.scopesRoute], |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| label: 'Leading', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.namesRoute, |
| SemanticsFlag.isHeader, |
| ], |
| label: 'Title', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| label: 'Action 1', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| label: 'Action 2', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| label: 'Action 3', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| label: 'Bottom', |
| textDirection: TextDirection.ltr, |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ignoreRect: true, |
| ignoreTransform: true, |
| ignoreId: true, |
| )); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('SliverAppBar provides correct semantics in RTL', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Semantics( |
| textDirection: TextDirection.rtl, |
| child: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Center( |
| child: AppBar( |
| leading: const Text('Leading'), |
| title: const Text('Title'), |
| actions: const <Widget>[ |
| Text('Action 1'), |
| Text('Action 2'), |
| Text('Action 3'), |
| ], |
| bottom: const PreferredSize( |
| preferredSize: Size(0.0, kToolbarHeight), |
| child: Text('Bottom'), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.scopesRoute], |
| children: <TestSemantics>[ |
| TestSemantics( |
| textDirection: TextDirection.rtl, |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| label: 'Leading', |
| textDirection: TextDirection.rtl, |
| ), |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.namesRoute, |
| SemanticsFlag.isHeader, |
| ], |
| label: 'Title', |
| textDirection: TextDirection.rtl, |
| ), |
| TestSemantics( |
| label: 'Action 1', |
| textDirection: TextDirection.rtl, |
| ), |
| TestSemantics( |
| label: 'Action 2', |
| textDirection: TextDirection.rtl, |
| ), |
| TestSemantics( |
| label: 'Action 3', |
| textDirection: TextDirection.rtl, |
| ), |
| TestSemantics( |
| label: 'Bottom', |
| textDirection: TextDirection.rtl, |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ignoreRect: true, |
| ignoreTransform: true, |
| ignoreId: true, |
| )); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('AppBar excludes header semantics correctly', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: AppBar( |
| leading: const Text('Leading'), |
| title: const ExcludeSemantics(child: Text('Title')), |
| excludeHeaderSemantics: true, |
| actions: const <Widget>[ |
| Text('Action 1'), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.scopesRoute], |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| label: 'Leading', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| label: 'Action 1', |
| textDirection: TextDirection.ltr, |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ignoreRect: true, |
| ignoreTransform: true, |
| ignoreId: true, |
| )); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('SliverAppBar excludes header semantics correctly', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| const MaterialApp( |
| home: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| leading: Text('Leading'), |
| flexibleSpace: ExcludeSemantics(child: Text('Title')), |
| actions: <Widget>[Text('Action 1')], |
| excludeHeaderSemantics: true, |
| ), |
| ], |
| ), |
| ), |
| ); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics( |
| textDirection: TextDirection.ltr, |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.scopesRoute], |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| label: 'Leading', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| label: 'Action 1', |
| textDirection: TextDirection.ltr, |
| ), |
| ], |
| ), |
| TestSemantics(), |
| ], |
| ), |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.hasImplicitScrolling], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ignoreRect: true, |
| ignoreTransform: true, |
| ignoreId: true, |
| )); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('SliverAppBar with flexable space has correct semantics order', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/64922. |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| const MaterialApp( |
| home: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| leading: Text('Leading'), |
| flexibleSpace: Text('Flexible space'), |
| actions: <Widget>[Text('Action 1')], |
| ), |
| ], |
| ), |
| ), |
| ); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics( |
| textDirection: TextDirection.ltr, |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.scopesRoute], |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| label: 'Leading', |
| textDirection: TextDirection.ltr, |
| ), |
| TestSemantics( |
| label: 'Action 1', |
| textDirection: TextDirection.ltr, |
| ), |
| ], |
| ), |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.isHeader], |
| label: 'Flexible space', |
| textDirection: TextDirection.ltr, |
| ), |
| ], |
| ), |
| ], |
| ), |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.hasImplicitScrolling], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ignoreRect: true, |
| ignoreTransform: true, |
| ignoreId: true, |
| )); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('AppBar draws a light system bar for a dark background', (WidgetTester tester) async { |
| final ThemeData darkTheme = ThemeData.dark(); |
| await tester.pumpWidget(MaterialApp( |
| theme: darkTheme, |
| home: Scaffold( |
| appBar: AppBar(title: const Text('test')), |
| ), |
| )); |
| |
| expect(darkTheme.primaryColorBrightness, Brightness.dark); |
| expect(SystemChrome.latestStyle, const SystemUiOverlayStyle( |
| statusBarBrightness: Brightness.dark, |
| statusBarIconBrightness: Brightness.light, |
| )); |
| }); |
| |
| testWidgets('AppBar draws a dark system bar for a light background', (WidgetTester tester) async { |
| final ThemeData lightTheme = ThemeData(primaryColor: Colors.white); |
| await tester.pumpWidget(MaterialApp( |
| theme: lightTheme, |
| home: Scaffold( |
| appBar: AppBar(title: const Text('test')), |
| ), |
| )); |
| |
| expect(lightTheme.primaryColorBrightness, Brightness.light); |
| expect(SystemChrome.latestStyle, const SystemUiOverlayStyle( |
| statusBarBrightness: Brightness.light, |
| statusBarIconBrightness: Brightness.dark, |
| )); |
| }); |
| |
| testWidgets('Changing SliverAppBar snap from true to false', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/17598 |
| const double appBarHeight = 256.0; |
| bool snap = true; |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Scaffold( |
| body: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| expandedHeight: appBarHeight, |
| pinned: false, |
| floating: true, |
| snap: snap, |
| actions: <Widget>[ |
| TextButton( |
| child: const Text('snap=false'), |
| onPressed: () { |
| setState(() { |
| snap = false; |
| }); |
| }, |
| ), |
| ], |
| flexibleSpace: FlexibleSpaceBar( |
| background: Container( |
| height: appBarHeight, |
| color: Colors.orange, |
| ), |
| ), |
| ), |
| SliverList( |
| delegate: SliverChildListDelegate( |
| <Widget>[ |
| Container(height: 1200.0, color: Colors.teal), |
| ], |
| ), |
| ), |
| ], |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| TestGesture gesture = await tester.startGesture(const Offset(50.0, 400.0)); |
| await gesture.moveBy(const Offset(0.0, -100.0)); |
| await gesture.up(); |
| |
| await tester.tap(find.text('snap=false')); |
| await tester.pumpAndSettle(); |
| |
| gesture = await tester.startGesture(const Offset(50.0, 400.0)); |
| await gesture.moveBy(const Offset(0.0, -100.0)); |
| await gesture.up(); |
| await tester.pump(); |
| }); |
| |
| testWidgets('AppBar shape default', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: AppBar( |
| leading: const Text('L'), |
| title: const Text('No Scaffold'), |
| actions: const <Widget>[Text('A1'), Text('A2')], |
| ), |
| ), |
| ); |
| |
| final Finder appBarFinder = find.byType(AppBar); |
| AppBar getAppBarWidget(Finder finder) => tester.widget<AppBar>(finder); |
| expect(getAppBarWidget(appBarFinder).shape, null); |
| |
| final Finder materialFinder = find.byType(Material); |
| Material getMaterialWidget(Finder finder) => tester.widget<Material>(finder); |
| expect(getMaterialWidget(materialFinder).shape, null); |
| }); |
| |
| testWidgets('AppBar with shape', (WidgetTester tester) async { |
| const RoundedRectangleBorder roundedRectangleBorder = RoundedRectangleBorder( |
| borderRadius: BorderRadius.all(Radius.circular(15.0)) |
| ); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: AppBar( |
| leading: const Text('L'), |
| title: const Text('No Scaffold'), |
| actions: const <Widget>[Text('A1'), Text('A2')], |
| shape: roundedRectangleBorder, |
| ), |
| ), |
| ); |
| |
| final Finder appBarFinder = find.byType(AppBar); |
| AppBar getAppBarWidget(Finder finder) => tester.widget<AppBar>(finder); |
| expect(getAppBarWidget(appBarFinder).shape, roundedRectangleBorder); |
| |
| final Finder materialFinder = find.byType(Material); |
| Material getMaterialWidget(Finder finder) => tester.widget<Material>(finder); |
| expect(getMaterialWidget(materialFinder).shape, roundedRectangleBorder); |
| }); |
| |
| testWidgets('SliverAppBar shape default', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const MaterialApp( |
| home: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| leading: Text('L'), |
| title: Text('No Scaffold'), |
| actions: <Widget>[Text('A1'), Text('A2')], |
| ), |
| ], |
| ), |
| ), |
| ); |
| |
| final Finder sliverAppBarFinder = find.byType(SliverAppBar); |
| SliverAppBar getSliverAppBarWidget(Finder finder) => tester.widget<SliverAppBar>(finder); |
| expect(getSliverAppBarWidget(sliverAppBarFinder).shape, null); |
| |
| final Finder materialFinder = find.byType(Material); |
| Material getMaterialWidget(Finder finder) => tester.widget<Material>(finder); |
| expect(getMaterialWidget(materialFinder).shape, null); |
| }); |
| |
| testWidgets('SliverAppBar with shape', (WidgetTester tester) async { |
| const RoundedRectangleBorder roundedRectangleBorder = RoundedRectangleBorder( |
| borderRadius: BorderRadius.all(Radius.circular(15.0)), |
| ); |
| await tester.pumpWidget( |
| const MaterialApp( |
| home: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| leading: Text('L'), |
| title: Text('No Scaffold'), |
| actions: <Widget>[Text('A1'), Text('A2')], |
| shape: roundedRectangleBorder, |
| ), |
| ], |
| ), |
| ), |
| ); |
| |
| final Finder sliverAppBarFinder = find.byType(SliverAppBar); |
| SliverAppBar getSliverAppBarWidget(Finder finder) => tester.widget<SliverAppBar>(finder); |
| expect(getSliverAppBarWidget(sliverAppBarFinder).shape, roundedRectangleBorder); |
| |
| final Finder materialFinder = find.byType(Material); |
| Material getMaterialWidget(Finder finder) => tester.widget<Material>(finder); |
| expect(getMaterialWidget(materialFinder).shape, roundedRectangleBorder); |
| }); |
| |
| testWidgets('AppBars title has upper limit on text scaling, textScaleFactor = 1, 1.34, 2', (WidgetTester tester) async { |
| late double textScaleFactor; |
| |
| Widget buildFrame() { |
| return MaterialApp( |
| home: Builder( |
| builder: (BuildContext context) { |
| return MediaQuery( |
| data: MediaQuery.of(context)!.copyWith(textScaleFactor: textScaleFactor), |
| child: Scaffold( |
| appBar: AppBar( |
| centerTitle: false, |
| title: const Text('Jumbo', style: TextStyle(fontSize: 18)), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| } |
| |
| final Finder appBarTitle = find.text('Jumbo'); |
| |
| textScaleFactor = 1; |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle).height, 18); |
| |
| textScaleFactor = 1.34; |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle).height, 24); |
| |
| textScaleFactor = 2; |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle).height, 24); |
| }); |
| |
| testWidgets('AppBars with jumbo titles, textScaleFactor = 3, 3.5, 4', (WidgetTester tester) async { |
| double textScaleFactor = 1.0; |
| TextDirection textDirection = TextDirection.ltr; |
| bool centerTitle = false; |
| |
| Widget buildFrame() { |
| return MaterialApp( |
| home: Builder( |
| builder: (BuildContext context) { |
| return Directionality( |
| textDirection: textDirection, |
| child: Builder( |
| builder: (BuildContext context) { |
| return Scaffold( |
| appBar: AppBar( |
| centerTitle: centerTitle, |
| title: MediaQuery( |
| data: MediaQuery.of(context)!.copyWith(textScaleFactor: textScaleFactor), |
| child: const Text('Jumbo'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ); |
| } |
| |
| final Finder appBarTitle = find.text('Jumbo'); |
| final Finder toolbar = find.byType(NavigationToolbar); |
| |
| // Overall screen size is 800x600 |
| // Left or right justified title is padded by 16 on the "start" side. |
| // Toolbar height is 56. |
| // "Jumbo" title is 100x20. |
| |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle), const Rect.fromLTRB(16, 18, 116, 38)); |
| expect(tester.getCenter(appBarTitle).dy, tester.getCenter(toolbar).dy); |
| |
| textScaleFactor = 3; // "Jumbo" title is 300x60. |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle), const Rect.fromLTRB(16, -2, 316, 58)); |
| expect(tester.getCenter(appBarTitle).dy, tester.getCenter(toolbar).dy); |
| |
| textScaleFactor = 3.5; // "Jumbo" title is 350x70. |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle), const Rect.fromLTRB(16, -7, 366, 63)); |
| expect(tester.getCenter(appBarTitle).dy, tester.getCenter(toolbar).dy); |
| |
| textScaleFactor = 4; // "Jumbo" title is 400x80. |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle), const Rect.fromLTRB(16, -12, 416, 68)); |
| expect(tester.getCenter(appBarTitle).dy, tester.getCenter(toolbar).dy); |
| |
| textDirection = TextDirection.rtl; // Changed to rtl. "Jumbo" title is still 400x80. |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle), const Rect.fromLTRB(800.0 - 400.0 - 16.0, -12, 800.0 - 16.0, 68)); |
| expect(tester.getCenter(appBarTitle).dy, tester.getCenter(toolbar).dy); |
| |
| centerTitle = true; // Changed to true. "Jumbo" title is still 400x80. |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getRect(appBarTitle), const Rect.fromLTRB(200, -12, 800.0 - 200.0, 68)); |
| expect(tester.getCenter(appBarTitle).dy, tester.getCenter(toolbar).dy); |
| }); |
| |
| testWidgets('SliverAppBar configures the delegate properly', (WidgetTester tester) async { |
| Future<void> buildAndVerifyDelegate({ required bool pinned, required bool floating, required bool snap }) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| title: const Text('Jumbo'), |
| pinned: pinned, |
| floating: floating, |
| snap: snap, |
| ), |
| ], |
| ), |
| ), |
| ); |
| |
| final SliverPersistentHeaderDelegate delegate = tester |
| .widget<SliverPersistentHeader>(find.byType(SliverPersistentHeader)) |
| .delegate; |
| |
| // Ensure we have a non-null vsync when it's needed. |
| if (!floating || (delegate.snapConfiguration == null && delegate.showOnScreenConfiguration == null)) |
| expect(delegate.vsync, isNotNull); |
| |
| expect(delegate.showOnScreenConfiguration != null, snap && floating); |
| } |
| |
| await buildAndVerifyDelegate(pinned: false, floating: true, snap: false); |
| await buildAndVerifyDelegate(pinned: false, floating: true, snap: true); |
| |
| await buildAndVerifyDelegate(pinned: true, floating: true, snap: false); |
| await buildAndVerifyDelegate(pinned: true, floating: true, snap: true); |
| }); |
| |
| testWidgets('AppBar respects toolbarHeight', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('Title'), |
| toolbarHeight: 48, |
| ), |
| body: Container(), |
| ), |
| ) |
| ); |
| |
| expect(appBarHeight(tester), 48); |
| }); |
| |
| testWidgets('SliverAppBar default collapsedHeight with respect to toolbarHeight', (WidgetTester tester) async { |
| const double toolbarHeight = 100.0; |
| |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: false, |
| pinned: false, |
| toolbarHeight: toolbarHeight, |
| )); |
| |
| final ScrollController controller = primaryScrollController(tester); |
| final double initialTabBarHeight = tabBarHeight(tester); |
| |
| // Scroll the not-pinned appbar out of view, to its collapsed height. |
| controller.jumpTo(300.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsNothing); |
| // By default, the collapsedHeight is toolbarHeight + bottom.preferredSize.height, |
| // in this case initialTabBarHeight. |
| expect(appBarHeight(tester), toolbarHeight + initialTabBarHeight); |
| }); |
| |
| testWidgets('SliverAppBar collapsedHeight with toolbarHeight', (WidgetTester tester) async { |
| const double toolbarHeight = 100.0; |
| const double collapsedHeight = 150.0; |
| |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: false, |
| pinned: false, |
| toolbarHeight: toolbarHeight, |
| collapsedHeight: collapsedHeight |
| )); |
| |
| final ScrollController controller = primaryScrollController(tester); |
| final double initialTabBarHeight = tabBarHeight(tester); |
| |
| // Scroll the not-pinned appbar out of view, to its collapsed height. |
| controller.jumpTo(300.0); |
| await tester.pump(); |
| expect(find.byType(SliverAppBar), findsNothing); |
| expect(appBarHeight(tester), collapsedHeight + initialTabBarHeight); |
| }); |
| |
| testWidgets('AppBar respects leadingWidth', (WidgetTester tester) async { |
| const Key key = Key('leading'); |
| await tester.pumpWidget(MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| leading: const Placeholder(key: key), |
| leadingWidth: 100, |
| title: const Text('Title'), |
| ), |
| ), |
| )); |
| |
| // By default toolbarHeight is 56.0. |
| expect(tester.getRect(find.byKey(key)), const Rect.fromLTRB(0, 0, 100, 56)); |
| }); |
| |
| testWidgets('SliverAppBar respects leadingWidth', (WidgetTester tester) async { |
| const Key key = Key('leading'); |
| await tester.pumpWidget( const MaterialApp( |
| home: CustomScrollView( |
| slivers: <Widget>[ |
| SliverAppBar( |
| leading: Placeholder(key: key), |
| leadingWidth: 100, |
| title: Text('Title'), |
| ), |
| ], |
| ) |
| )); |
| |
| // By default toolbarHeight is 56.0. |
| expect(tester.getRect(find.byKey(key)), const Rect.fromLTRB(0, 0, 100, 56)); |
| }); |
| |
| testWidgets("AppBar with EndDrawer doesn't have leading", (WidgetTester tester) async { |
| await tester.pumpWidget(MaterialApp( |
| home: Scaffold( |
| appBar: AppBar(), |
| endDrawer: const Drawer(), |
| ), |
| )); |
| |
| final Finder endDrawerFinder = find.byTooltip('Open navigation menu'); |
| await tester.tap(endDrawerFinder); |
| await tester.pump(); |
| |
| final Finder appBarFinder = find.byType(NavigationToolbar); |
| NavigationToolbar getAppBarWidget(Finder finder) => tester.widget<NavigationToolbar>(finder); |
| expect(getAppBarWidget(appBarFinder).leading, null); |
| }); |
| |
| testWidgets('AppBar.titleSpacing defaults to NavigationToolbar.kMiddleSpacing', (WidgetTester tester) async { |
| await tester.pumpWidget(MaterialApp( |
| home: Scaffold( |
| appBar: AppBar( |
| title: const Text('Title'), |
| ), |
| ), |
| )); |
| |
| final NavigationToolbar navToolBar = tester.widget(find.byType(NavigationToolbar)); |
| expect(navToolBar.middleSpacing, NavigationToolbar.kMiddleSpacing); |
| }); |
| |
| testWidgets('SliverAppBar.titleSpacing defaults to NavigationToolbar.kMiddleSpacing', (WidgetTester tester) async { |
| await tester.pumpWidget(buildSliverAppBarApp( |
| floating: false, |
| pinned: false, |
| )); |
| |
| final NavigationToolbar navToolBar = tester.widget(find.byType(NavigationToolbar)); |
| expect(navToolBar.middleSpacing, NavigationToolbar.kMiddleSpacing); |
| }); |
| } |
