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560 lines
18 KiB
Dart
560 lines
18 KiB
Dart
// Copyright 2016 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_web_test/flutter_web_test.dart';
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import 'package:flutter_web/material.dart';
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import 'package:flutter_web_ui/ui.dart' show window; //, SemanticsFlag;
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// TODO: Semantics tests.
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// import '../widgets/semantics_tester.dart';
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void main() {
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testWidgets('Navigator.push works within a PopupMenuButton',
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(WidgetTester tester) async {
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final Key targetKey = UniqueKey();
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await tester.pumpWidget(
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MaterialApp(
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routes: <String, WidgetBuilder>{
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'/next': (BuildContext context) {
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return const Text('Next');
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},
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},
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home: Material(
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child: Center(
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child: Builder(
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key: targetKey,
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builder: (BuildContext context) {
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return PopupMenuButton<int>(
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onSelected: (int value) {
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Navigator.pushNamed(context, '/next');
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},
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itemBuilder: (BuildContext context) {
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return <PopupMenuItem<int>>[
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const PopupMenuItem<int>(value: 1, child: Text('One')),
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];
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},
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);
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},
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),
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),
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),
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),
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);
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await tester.tap(find.byKey(targetKey));
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await tester.pump();
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await tester.pump(const Duration(seconds: 1)); // finish the menu animation
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expect(find.text('One'), findsOneWidget);
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expect(find.text('Next'), findsNothing);
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await tester.tap(find.text('One'));
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await tester.pump(); // return the future
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await tester.pump(); // start the navigation
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await tester.pump(const Duration(seconds: 1)); // end the navigation
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expect(find.text('One'), findsNothing);
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expect(find.text('Next'), findsOneWidget);
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});
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testWidgets(
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'PopupMenuButton calls onCanceled callback when an item is not selected',
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(WidgetTester tester) async {
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int cancels = 0;
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BuildContext popupContext;
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final Key noCallbackKey = UniqueKey();
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final Key withCallbackKey = UniqueKey();
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Column(
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children: <Widget>[
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PopupMenuButton<int>(
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key: noCallbackKey,
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itemBuilder: (BuildContext context) {
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return <PopupMenuEntry<int>>[
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const PopupMenuItem<int>(
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value: 1,
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child: Text('Tap me please!'),
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),
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];
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},
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),
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PopupMenuButton<int>(
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key: withCallbackKey,
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onCanceled: () => cancels++,
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itemBuilder: (BuildContext context) {
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popupContext = context;
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return <PopupMenuEntry<int>>[
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const PopupMenuItem<int>(
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value: 1,
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child: Text('Tap me, too!'),
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),
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];
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},
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),
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],
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),
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),
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),
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);
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// Make sure everything works if no callback is provided
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await tester.tap(find.byKey(noCallbackKey));
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await tester.pump();
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await tester.pump(const Duration(seconds: 1));
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await tester.tapAt(const Offset(0.0, 0.0));
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await tester.pump();
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expect(cancels, equals(0));
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// Make sure callback is called when a non-selection tap occurs
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await tester.tap(find.byKey(withCallbackKey));
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await tester.pump();
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await tester.pump(const Duration(seconds: 1));
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await tester.tapAt(const Offset(0.0, 0.0));
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await tester.pump();
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expect(cancels, equals(1));
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// Make sure callback is called when back navigation occurs
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await tester.tap(find.byKey(withCallbackKey));
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await tester.pump();
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await tester.pump(const Duration(seconds: 1));
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Navigator.of(popupContext).pop();
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await tester.pump();
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expect(cancels, equals(2));
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});
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testWidgets('PopupMenuButton is horizontal on iOS',
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(WidgetTester tester) async {
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Widget build(TargetPlatform platform) {
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return MaterialApp(
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theme: ThemeData(platform: platform),
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home: Scaffold(
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appBar: AppBar(
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actions: <Widget>[
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PopupMenuButton<int>(
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itemBuilder: (BuildContext context) {
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return <PopupMenuItem<int>>[
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const PopupMenuItem<int>(value: 1, child: Text('One')),
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];
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},
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),
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],
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),
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),
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);
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}
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await tester.pumpWidget(build(TargetPlatform.android));
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expect(find.byIcon(Icons.more_vert), findsOneWidget);
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expect(find.byIcon(Icons.more_horiz), findsNothing);
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await tester.pumpWidget(build(TargetPlatform.iOS));
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await tester.pumpAndSettle(); // Run theme change animation.
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expect(find.byIcon(Icons.more_vert), findsNothing);
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expect(find.byIcon(Icons.more_horiz), findsOneWidget);
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});
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group('PopupMenuButton with Icon', () {
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// Helper function to create simple and valid popup menus.
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List<PopupMenuItem<int>> simplePopupMenuItemBuilder(BuildContext context) {
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return <PopupMenuItem<int>>[
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const PopupMenuItem<int>(
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value: 1,
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child: Text('1'),
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),
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];
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}
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testWidgets('PopupMenuButton fails when given both child and icon',
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(WidgetTester tester) async {
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expect(() {
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PopupMenuButton<int>(
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child: const Text('heyo'),
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icon: const Icon(Icons.view_carousel),
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itemBuilder: simplePopupMenuItemBuilder,
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);
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}, throwsA(isInstanceOf<AssertionError>()));
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});
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testWidgets('PopupMenuButton creates IconButton when given an icon',
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(WidgetTester tester) async {
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final PopupMenuButton<int> button = PopupMenuButton<int>(
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icon: const Icon(Icons.view_carousel),
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itemBuilder: simplePopupMenuItemBuilder,
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);
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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appBar: AppBar(
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actions: <Widget>[button],
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),
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),
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),
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);
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expect(find.byType(IconButton), findsOneWidget);
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expect(find.byIcon(Icons.view_carousel), findsOneWidget);
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});
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});
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testWidgets('PopupMenu positioning', (WidgetTester tester) async {
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final Widget testButton = PopupMenuButton<int>(
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itemBuilder: (BuildContext context) {
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return <PopupMenuItem<int>>[
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const PopupMenuItem<int>(value: 1, child: Text('AAA')),
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const PopupMenuItem<int>(value: 2, child: Text('BBB')),
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const PopupMenuItem<int>(value: 3, child: Text('CCC')),
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];
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},
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child: const SizedBox(
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height: 100.0,
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width: 100.0,
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child: Text('XXX'),
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),
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);
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final WidgetPredicate popupMenu = (Widget widget) {
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final String widgetType = widget.runtimeType.toString();
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// TODO(mraleph): Remove the old case below.
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return widgetType == '_PopupMenu<int>' // normal case
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||
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widgetType ==
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'_PopupMenu'; // for old versions of Dart that don't reify method type arguments
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};
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Future<void> openMenu(
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TextDirection textDirection, Alignment alignment) async {
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return TestAsyncUtils.guard(() async {
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await tester
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.pumpWidget(Container()); // reset in case we had a menu up already
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await tester.pumpWidget(TestApp(
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textDirection: textDirection,
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child: Align(
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alignment: alignment,
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child: testButton,
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),
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));
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await tester.tap(find.text('XXX'));
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await tester.pump();
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});
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}
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Future<void> testPositioningDown(
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WidgetTester tester,
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TextDirection textDirection,
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Alignment alignment,
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TextDirection growthDirection,
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Rect startRect,
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) {
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return TestAsyncUtils.guard(() async {
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await openMenu(textDirection, alignment);
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Rect rect = tester.getRect(find.byWidgetPredicate(popupMenu));
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expect(rect, startRect);
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bool doneVertically = false;
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bool doneHorizontally = false;
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do {
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await tester.pump(const Duration(milliseconds: 20));
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final Rect newRect =
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tester.getRect(find.byWidgetPredicate(popupMenu));
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expect(newRect.top, rect.top);
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if (doneVertically) {
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expect(newRect.bottom, rect.bottom);
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} else {
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if (newRect.bottom == rect.bottom) {
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doneVertically = true;
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} else {
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expect(newRect.bottom, greaterThan(rect.bottom));
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}
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}
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switch (growthDirection) {
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case TextDirection.rtl:
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expect(newRect.right, rect.right);
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if (doneHorizontally) {
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expect(newRect.left, rect.left);
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} else {
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if (newRect.left == rect.left) {
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doneHorizontally = true;
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} else {
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expect(newRect.left, lessThan(rect.left));
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}
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}
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break;
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case TextDirection.ltr:
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expect(newRect.left, rect.left);
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if (doneHorizontally) {
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expect(newRect.right, rect.right);
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} else {
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if (newRect.right == rect.right) {
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doneHorizontally = true;
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} else {
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expect(newRect.right, greaterThan(rect.right));
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}
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}
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break;
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}
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rect = newRect;
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} while (tester.binding.hasScheduledFrame);
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});
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}
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Future<void> testPositioningDownThenUp(
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WidgetTester tester,
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TextDirection textDirection,
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Alignment alignment,
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TextDirection growthDirection,
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Rect startRect,
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) {
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return TestAsyncUtils.guard(() async {
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await openMenu(textDirection, alignment);
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Rect rect = tester.getRect(find.byWidgetPredicate(popupMenu));
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expect(rect, startRect);
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int verticalStage = 0; // 0=down, 1=up, 2=done
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bool doneHorizontally = false;
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do {
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await tester.pump(const Duration(milliseconds: 20));
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final Rect newRect =
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tester.getRect(find.byWidgetPredicate(popupMenu));
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switch (verticalStage) {
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case 0:
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if (newRect.top < rect.top) {
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verticalStage = 1;
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expect(newRect.bottom, greaterThanOrEqualTo(rect.bottom));
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break;
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}
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expect(newRect.top, rect.top);
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expect(newRect.bottom, greaterThan(rect.bottom));
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break;
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case 1:
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if (newRect.top == rect.top) {
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verticalStage = 2;
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expect(newRect.bottom, rect.bottom);
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break;
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}
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expect(newRect.top, lessThan(rect.top));
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expect(newRect.bottom, rect.bottom);
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break;
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case 2:
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expect(newRect.bottom, rect.bottom);
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expect(newRect.top, rect.top);
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break;
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default:
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assert(false);
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}
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switch (growthDirection) {
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case TextDirection.rtl:
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expect(newRect.right, rect.right);
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if (doneHorizontally) {
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expect(newRect.left, rect.left);
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} else {
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if (newRect.left == rect.left) {
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doneHorizontally = true;
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} else {
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expect(newRect.left, lessThan(rect.left));
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}
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}
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break;
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case TextDirection.ltr:
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expect(newRect.left, rect.left);
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if (doneHorizontally) {
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expect(newRect.right, rect.right);
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} else {
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if (newRect.right == rect.right) {
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doneHorizontally = true;
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} else {
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expect(newRect.right, greaterThan(rect.right));
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}
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}
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break;
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}
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rect = newRect;
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} while (tester.binding.hasScheduledFrame);
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});
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}
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await testPositioningDown(tester, TextDirection.ltr, Alignment.topRight,
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TextDirection.rtl, Rect.fromLTWH(792.0, 8.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.rtl, Alignment.topRight,
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TextDirection.rtl, Rect.fromLTWH(792.0, 8.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.ltr, Alignment.topLeft,
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TextDirection.ltr, Rect.fromLTWH(8.0, 8.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.rtl, Alignment.topLeft,
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TextDirection.ltr, Rect.fromLTWH(8.0, 8.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.ltr, Alignment.topCenter,
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TextDirection.ltr, Rect.fromLTWH(350.0, 8.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.rtl, Alignment.topCenter,
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TextDirection.rtl, Rect.fromLTWH(450.0, 8.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.ltr, Alignment.centerRight,
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TextDirection.rtl, Rect.fromLTWH(792.0, 250.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.rtl, Alignment.centerRight,
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TextDirection.rtl, Rect.fromLTWH(792.0, 250.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.ltr, Alignment.centerLeft,
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TextDirection.ltr, Rect.fromLTWH(8.0, 250.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.rtl, Alignment.centerLeft,
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TextDirection.ltr, Rect.fromLTWH(8.0, 250.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.ltr, Alignment.center,
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TextDirection.ltr, Rect.fromLTWH(350.0, 250.0, 0.0, 0.0));
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await testPositioningDown(tester, TextDirection.rtl, Alignment.center,
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TextDirection.rtl, Rect.fromLTWH(450.0, 250.0, 0.0, 0.0));
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await testPositioningDownThenUp(
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tester,
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TextDirection.ltr,
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Alignment.bottomRight,
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TextDirection.rtl,
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Rect.fromLTWH(792.0, 500.0, 0.0, 0.0));
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await testPositioningDownThenUp(
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tester,
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TextDirection.rtl,
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Alignment.bottomRight,
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TextDirection.rtl,
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Rect.fromLTWH(792.0, 500.0, 0.0, 0.0));
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await testPositioningDownThenUp(
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tester,
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TextDirection.ltr,
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Alignment.bottomLeft,
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TextDirection.ltr,
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Rect.fromLTWH(8.0, 500.0, 0.0, 0.0));
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await testPositioningDownThenUp(
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tester,
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TextDirection.rtl,
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Alignment.bottomLeft,
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TextDirection.ltr,
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Rect.fromLTWH(8.0, 500.0, 0.0, 0.0));
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await testPositioningDownThenUp(
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tester,
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TextDirection.ltr,
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Alignment.bottomCenter,
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TextDirection.ltr,
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Rect.fromLTWH(350.0, 500.0, 0.0, 0.0));
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await testPositioningDownThenUp(
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tester,
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TextDirection.rtl,
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Alignment.bottomCenter,
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TextDirection.rtl,
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Rect.fromLTWH(450.0, 500.0, 0.0, 0.0));
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});
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testWidgets('PopupMenu removes MediaQuery padding',
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(WidgetTester tester) async {
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BuildContext popupContext;
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await tester.pumpWidget(MaterialApp(
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home: MediaQuery(
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data: const MediaQueryData(
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padding: EdgeInsets.all(50.0),
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),
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child: Material(
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child: PopupMenuButton<int>(
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itemBuilder: (BuildContext context) {
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popupContext = context;
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return <PopupMenuItem<int>>[
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PopupMenuItem<int>(
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value: 1,
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child: Builder(
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builder: (BuildContext context) {
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popupContext = context;
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return const Text('AAA');
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},
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),
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),
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];
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},
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child: const SizedBox(
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height: 100.0,
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width: 100.0,
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child: Text('XXX'),
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),
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),
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),
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)));
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await tester.tap(find.text('XXX'));
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await tester.pump();
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expect(MediaQuery.of(popupContext).padding, EdgeInsets.zero);
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});
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testWidgets('Popup Menu Offset Test', (WidgetTester tester) async {
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const Offset offset = Offset(100.0, 100.0);
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final PopupMenuButton<int> popupMenuButton = PopupMenuButton<int>(
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offset: offset,
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itemBuilder: (BuildContext context) {
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return <PopupMenuItem<int>>[
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PopupMenuItem<int>(
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value: 1,
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child: Builder(
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builder: (BuildContext context) {
|
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return const Text('AAA');
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},
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),
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),
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];
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},
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);
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: Center(
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child: Material(
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child: popupMenuButton,
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),
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)),
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),
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);
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await tester.tap(find.byType(IconButton));
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await tester.pumpAndSettle();
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// The position is different than the offset because the default position isn't at the origin.
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expect(
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tester.getTopLeft(find.byWidgetPredicate(
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(Widget w) => '${w.runtimeType}' == '_PopupMenu<int>')),
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const Offset(364.0, 324.0));
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});
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}
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class TestApp extends StatefulWidget {
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const TestApp({this.textDirection, this.child});
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final TextDirection textDirection;
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final Widget child;
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@override
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_TestAppState createState() => _TestAppState();
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}
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|
class _TestAppState extends State<TestApp> {
|
|
@override
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|
Widget build(BuildContext context) {
|
|
return Localizations(
|
|
locale: const Locale('en', 'US'),
|
|
delegates: const <LocalizationsDelegate<dynamic>>[
|
|
DefaultWidgetsLocalizations.delegate,
|
|
DefaultMaterialLocalizations.delegate,
|
|
],
|
|
child: MediaQuery(
|
|
data: MediaQueryData.fromWindow(window),
|
|
child: Directionality(
|
|
textDirection: widget.textDirection,
|
|
child: Navigator(
|
|
onGenerateRoute: (RouteSettings settings) {
|
|
assert(settings.name == '/');
|
|
return MaterialPageRoute<void>(
|
|
settings: settings,
|
|
builder: (BuildContext context) => Material(
|
|
child: widget.child,
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|