375 lines
12 KiB
Dart
375 lines
12 KiB
Dart
// Copyright 2014 The Flutter 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/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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class TestOverlayRoute extends OverlayRoute<void> {
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TestOverlayRoute({ super.settings });
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@override
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Iterable<OverlayEntry> createOverlayEntries() sync* {
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yield OverlayEntry(builder: _build);
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}
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Widget _build(BuildContext context) => const Text('Overlay');
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}
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class PersistentBottomSheetTest extends StatefulWidget {
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const PersistentBottomSheetTest({ super.key });
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@override
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PersistentBottomSheetTestState createState() => PersistentBottomSheetTestState();
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}
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class PersistentBottomSheetTestState extends State<PersistentBottomSheetTest> {
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final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
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bool setStateCalled = false;
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void showBottomSheet() {
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_scaffoldKey.currentState!.showBottomSheet((BuildContext context) {
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return const Text('bottomSheet');
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})
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.closed.whenComplete(() {
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setState(() {
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setStateCalled = true;
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});
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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key: _scaffoldKey,
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body: const Text('Sheet'),
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);
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}
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}
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void main() {
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testWidgets('Check onstage/offstage handling around transitions', (WidgetTester tester) async {
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final GlobalKey containerKey1 = GlobalKey();
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final GlobalKey containerKey2 = GlobalKey();
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final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
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'/': (_) => Container(key: containerKey1, child: const Text('Home')),
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'/settings': (_) => Container(key: containerKey2, child: const Text('Settings')),
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};
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await tester.pumpWidget(MaterialApp(routes: routes));
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings'), findsNothing);
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expect(find.text('Overlay'), findsNothing);
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expect(Navigator.canPop(containerKey1.currentContext!), isFalse);
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Navigator.pushNamed(containerKey1.currentContext!, '/settings');
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expect(Navigator.canPop(containerKey1.currentContext!), isTrue);
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await tester.pump();
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings', skipOffstage: false), isOffstage);
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expect(find.text('Overlay'), findsNothing);
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await tester.pump(const Duration(milliseconds: 16));
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings'), isOnstage);
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expect(find.text('Overlay'), findsNothing);
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), findsNothing);
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expect(find.text('Settings'), isOnstage);
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expect(find.text('Overlay'), findsNothing);
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Navigator.push(containerKey2.currentContext!, TestOverlayRoute());
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await tester.pump();
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expect(find.text('Home'), findsNothing);
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expect(find.text('Settings'), isOnstage);
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expect(find.text('Overlay'), isOnstage);
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), findsNothing);
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expect(find.text('Settings'), isOnstage);
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expect(find.text('Overlay'), isOnstage);
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expect(Navigator.canPop(containerKey2.currentContext!), isTrue);
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Navigator.pop(containerKey2.currentContext!);
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await tester.pump();
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expect(find.text('Home'), findsNothing);
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expect(find.text('Settings'), isOnstage);
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expect(find.text('Overlay'), findsNothing);
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), findsNothing);
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expect(find.text('Settings'), isOnstage);
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expect(find.text('Overlay'), findsNothing);
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expect(Navigator.canPop(containerKey2.currentContext!), isTrue);
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Navigator.pop(containerKey2.currentContext!);
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await tester.pump();
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await tester.pump();
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings'), isOnstage);
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expect(find.text('Overlay'), findsNothing);
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings'), findsNothing);
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expect(find.text('Overlay'), findsNothing);
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expect(Navigator.canPop(containerKey1.currentContext!), isFalse);
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});
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testWidgets('Check back gesture disables Heroes', (WidgetTester tester) async {
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final GlobalKey containerKey1 = GlobalKey();
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final GlobalKey containerKey2 = GlobalKey();
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const String kHeroTag = 'hero';
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final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
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'/': (_) => Scaffold(
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key: containerKey1,
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body: const ColoredBox(
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color: Color(0xff00ffff),
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child: Hero(
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tag: kHeroTag,
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child: Text('Home'),
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),
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),
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),
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'/settings': (_) => Scaffold(
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key: containerKey2,
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body: Container(
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padding: const EdgeInsets.all(100.0),
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color: const Color(0xffff00ff),
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child: const Hero(
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tag: kHeroTag,
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child: Text('Settings'),
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),
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),
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),
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};
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await tester.pumpWidget(MaterialApp(routes: routes));
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Navigator.pushNamed(containerKey1.currentContext!, '/settings');
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 16));
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expect(find.text('Settings'), isOnstage);
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// Settings text is heroing to its new location
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Offset settingsOffset = tester.getTopLeft(find.text('Settings'));
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expect(settingsOffset.dx, greaterThan(0.0));
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expect(settingsOffset.dx, lessThan(100.0));
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expect(settingsOffset.dy, greaterThan(0.0));
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expect(settingsOffset.dy, lessThan(100.0));
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), findsNothing);
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expect(find.text('Settings'), isOnstage);
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// Drag from left edge to invoke the gesture.
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final TestGesture gesture = await tester.startGesture(const Offset(5.0, 100.0));
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await gesture.moveBy(const Offset(50.0, 0.0));
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await tester.pump();
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// Home is now visible.
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings'), isOnstage);
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// Home page is sliding in from the left, no heroes.
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final Offset homeOffset = tester.getTopLeft(find.text('Home'));
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expect(homeOffset.dx, lessThan(0.0));
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expect(homeOffset.dy, 0.0);
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// Settings page is sliding off to the right, no heroes.
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settingsOffset = tester.getTopLeft(find.text('Settings'));
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expect(settingsOffset.dx, greaterThan(100.0));
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expect(settingsOffset.dy, 100.0);
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}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
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testWidgets("Check back gesture doesn't start during transitions", (WidgetTester tester) async {
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final GlobalKey containerKey1 = GlobalKey();
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final GlobalKey containerKey2 = GlobalKey();
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final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
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'/': (_) => Scaffold(key: containerKey1, body: const Text('Home')),
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'/settings': (_) => Scaffold(key: containerKey2, body: const Text('Settings')),
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};
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await tester.pumpWidget(MaterialApp(routes: routes));
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Navigator.pushNamed(containerKey1.currentContext!, '/settings');
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 100));
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// We are mid-transition, both pages are on stage.
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings'), isOnstage);
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// Drag from left edge to invoke the gesture. (near bottom so we grab
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// the Settings page as it comes up).
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TestGesture gesture = await tester.startGesture(const Offset(5.0, 550.0));
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await gesture.moveBy(const Offset(500.0, 0.0));
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await gesture.up();
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 1000));
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// The original forward navigation should have completed, instead of the
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// back gesture, since we were mid transition.
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expect(find.text('Home'), findsNothing);
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expect(find.text('Settings'), isOnstage);
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// Try again now that we're settled.
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gesture = await tester.startGesture(const Offset(5.0, 550.0));
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await gesture.moveBy(const Offset(500.0, 0.0));
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await gesture.up();
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 1000));
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expect(find.text('Home'), isOnstage);
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expect(find.text('Settings'), findsNothing);
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}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
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// Tests bug https://github.com/flutter/flutter/issues/6451
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testWidgets('Check back gesture with a persistent bottom sheet showing', (WidgetTester tester) async {
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final GlobalKey containerKey1 = GlobalKey();
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final GlobalKey containerKey2 = GlobalKey();
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final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
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'/': (_) => Scaffold(key: containerKey1, body: const Text('Home')),
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'/sheet': (_) => PersistentBottomSheetTest(key: containerKey2),
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};
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await tester.pumpWidget(MaterialApp(routes: routes));
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Navigator.pushNamed(containerKey1.currentContext!, '/sheet');
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await tester.pump();
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), findsNothing);
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expect(find.text('Sheet'), isOnstage);
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// Drag from left edge to invoke the gesture. We should go back.
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TestGesture gesture = await tester.startGesture(const Offset(5.0, 100.0));
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await gesture.moveBy(const Offset(500.0, 0.0));
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await gesture.up();
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await tester.pump();
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await tester.pump(const Duration(seconds: 1));
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Navigator.pushNamed(containerKey1.currentContext!, '/sheet');
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await tester.pump();
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), findsNothing);
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expect(find.text('Sheet'), isOnstage);
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// Show the bottom sheet.
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final PersistentBottomSheetTestState sheet = containerKey2.currentState! as PersistentBottomSheetTestState;
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sheet.showBottomSheet();
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await tester.pump(const Duration(seconds: 1));
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// Drag from left edge to invoke the gesture. Nothing should happen.
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gesture = await tester.startGesture(const Offset(5.0, 100.0));
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await gesture.moveBy(const Offset(500.0, 0.0));
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await gesture.up();
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await tester.pump();
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await tester.pump(const Duration(seconds: 1));
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expect(find.text('Home'), findsNothing);
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expect(find.text('Sheet'), isOnstage);
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// Sheet did not call setState (since the gesture did nothing).
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expect(sheet.setStateCalled, isFalse);
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}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
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testWidgets('Test completed future', (WidgetTester tester) async {
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final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
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'/': (_) => const Center(child: Text('home')),
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'/next': (_) => const Center(child: Text('next')),
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};
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await tester.pumpWidget(MaterialApp(routes: routes));
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final PageRoute<void> route = MaterialPageRoute<void>(
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settings: const RouteSettings(name: '/page'),
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builder: (BuildContext context) => const Center(child: Text('page')),
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);
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int popCount = 0;
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route.popped.whenComplete(() {
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popCount += 1;
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});
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int completeCount = 0;
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route.completed.whenComplete(() {
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completeCount += 1;
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});
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expect(popCount, 0);
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expect(completeCount, 0);
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Navigator.push(tester.element(find.text('home')), route);
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expect(popCount, 0);
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expect(completeCount, 0);
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await tester.pump();
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expect(popCount, 0);
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expect(completeCount, 0);
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await tester.pump(const Duration(milliseconds: 100));
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expect(popCount, 0);
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expect(completeCount, 0);
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await tester.pump(const Duration(milliseconds: 100));
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expect(popCount, 0);
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expect(completeCount, 0);
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await tester.pump(const Duration(seconds: 1));
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expect(popCount, 0);
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expect(completeCount, 0);
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Navigator.pop(tester.element(find.text('page')));
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expect(popCount, 0);
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expect(completeCount, 0);
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await tester.pump();
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expect(popCount, 1);
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expect(completeCount, 0);
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await tester.pump(const Duration(milliseconds: 100));
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expect(popCount, 1);
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expect(completeCount, 0);
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await tester.pump(const Duration(milliseconds: 100));
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expect(popCount, 1);
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expect(completeCount, 0);
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await tester.pump(const Duration(seconds: 1));
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expect(popCount, 1);
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expect(completeCount, 1);
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});
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}
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