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375 lines
10 KiB
Dart
375 lines
10 KiB
Dart
// Copyright 2015 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_ui/ui.dart' show window;
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import 'package:flutter_web/material.dart';
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import 'package:flutter_web/widgets.dart';
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import 'package:flutter_web/rendering.dart';
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import 'package:flutter_web_test/flutter_web_test.dart';
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void main() {
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testWidgets('SemanticsDebugger smoke test', (WidgetTester tester) async {
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// This is a smoketest to verify that adding a debugger doesn't crash.
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Stack(
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children: <Widget>[
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Semantics(),
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Semantics(
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container: true,
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),
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Semantics(
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label: 'label',
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textDirection: TextDirection.ltr,
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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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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(),
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Semantics(
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container: true,
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),
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Semantics(
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label: 'label',
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textDirection: TextDirection.ltr,
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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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expect(true, isTrue); // expect that we reach here without crashing
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});
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testWidgets('SemanticsDebugger reparents subtree',
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(WidgetTester tester) async {
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final GlobalKey key = GlobalKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(label: 'label1', textDirection: TextDirection.ltr),
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Positioned(
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key: key,
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left: 0.0,
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top: 0.0,
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width: 100.0,
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height: 100.0,
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child: Semantics(
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label: 'label2', textDirection: TextDirection.ltr),
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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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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(label: 'label1', textDirection: TextDirection.ltr),
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Semantics(
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container: true,
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child: Stack(
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children: <Widget>[
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Positioned(
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key: key,
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left: 0.0,
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top: 0.0,
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width: 100.0,
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height: 100.0,
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child: Semantics(
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label: 'label2', textDirection: TextDirection.ltr),
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),
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Semantics(
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label: 'label3', textDirection: TextDirection.ltr),
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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(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(label: 'label1', textDirection: TextDirection.ltr),
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Semantics(
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container: true,
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child: Stack(
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children: <Widget>[
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Positioned(
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key: key,
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left: 0.0,
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top: 0.0,
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width: 100.0,
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height: 100.0,
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child: Semantics(
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label: 'label2', textDirection: TextDirection.ltr)),
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Semantics(
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label: 'label3', textDirection: TextDirection.ltr),
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Semantics(
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label: 'label4', textDirection: TextDirection.ltr),
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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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expect(tester.takeException(), isNull);
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});
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testWidgets('SemanticsDebugger interaction test',
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(WidgetTester tester) async {
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final List<String> log = <String>[];
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Material(
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child: ListView(
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children: <Widget>[
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RaisedButton(
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onPressed: () {
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log.add('top');
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},
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child: const Text('TOP'),
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),
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RaisedButton(
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onPressed: () {
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log.add('bottom');
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},
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child: const Text('BOTTOM'),
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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.text('TOP'));
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expect(log, equals(<String>['top']));
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log.clear();
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await tester.tap(find.text('BOTTOM'));
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expect(log, equals(<String>['bottom']));
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log.clear();
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});
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testWidgets('SemanticsDebugger interaction test - negative',
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(WidgetTester tester) async {
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final List<String> log = <String>[];
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Material(
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child: ListView(
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children: <Widget>[
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RaisedButton(
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onPressed: () {
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log.add('top');
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},
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child: const Text('TOP', textDirection: TextDirection.ltr),
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),
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ExcludeSemantics(
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child: RaisedButton(
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onPressed: () {
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log.add('bottom');
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},
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child:
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const Text('BOTTOM', textDirection: TextDirection.ltr),
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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.text('TOP'));
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expect(log, equals(<String>['top']));
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log.clear();
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await tester.tap(find.text('BOTTOM'));
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expect(log, equals(<String>[]));
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log.clear();
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});
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testWidgets('SemanticsDebugger scroll test', (WidgetTester tester) async {
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final Key childKey = UniqueKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: ListView(
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children: <Widget>[
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Container(
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key: childKey,
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height: 5000.0,
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color: Colors.green[500],
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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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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(0.0));
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await tester.fling(find.byType(ListView), const Offset(0.0, -200.0), 200.0);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(-480.0));
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await tester.fling(find.byType(ListView), const Offset(200.0, 0.0), 200.0);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(-480.0));
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await tester.fling(find.byType(ListView), const Offset(-200.0, 0.0), 200.0);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(-480.0));
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await tester.fling(find.byType(ListView), const Offset(0.0, 200.0), 200.0);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(0.0));
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});
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testWidgets('SemanticsDebugger long press', (WidgetTester tester) async {
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bool didLongPress = false;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: GestureDetector(
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onLongPress: () {
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expect(didLongPress, isFalse);
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didLongPress = true;
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},
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child: const Text('target', textDirection: TextDirection.ltr),
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),
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),
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),
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);
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await tester.longPress(find.text('target'));
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expect(didLongPress, isTrue);
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});
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testWidgets('SemanticsDebugger slider', (WidgetTester tester) async {
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double value = 0.75;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Directionality(
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textDirection: TextDirection.ltr,
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child: MediaQuery(
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data: MediaQueryData.fromWindow(window),
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child: Material(
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child: Center(
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child: Slider(
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value: value,
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onChanged: (double newValue) {
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value = newValue;
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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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// The fling below must be such that the velocity estimation examines an
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// offset greater than the kTouchSlop. Too slow or too short a distance, and
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// it won't trigger. The actual distance moved doesn't matter since this is
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// interpreted as a gesture by the semantics debugger and sent to the widget
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// as a semantic action that always moves by 10% of the complete track.
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await tester.fling(find.byType(Slider), const Offset(-100.0, 0.0), 2000.0);
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expect(value, equals(0.70));
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});
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testWidgets('SemanticsDebugger checkbox', (WidgetTester tester) async {
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final Key keyTop = UniqueKey();
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final Key keyBottom = UniqueKey();
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bool valueTop = false;
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const bool valueBottom = true;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Material(
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child: ListView(
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children: <Widget>[
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Checkbox(
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key: keyTop,
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value: valueTop,
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onChanged: (bool newValue) {
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valueTop = newValue;
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},
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),
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Checkbox(
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key: keyBottom,
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value: valueBottom,
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onChanged: null,
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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(keyTop));
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expect(valueTop, isTrue);
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valueTop = false;
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expect(valueTop, isFalse);
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await tester.tap(find.byKey(keyBottom));
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expect(valueTop, isFalse);
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expect(valueTop, isFalse);
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});
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}
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