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498 lines
16 KiB
Dart
498 lines
16 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/cupertino.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/gestures.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/scheduler.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
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import '../widgets/semantics_tester.dart';
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const TextStyle testStyle = TextStyle(
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fontSize: 10.0,
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letterSpacing: 0.0,
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);
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void main() {
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testWidgetsWithLeakTracking('Default layout minimum size', (WidgetTester tester) async {
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await tester.pumpWidget(
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boilerplate(child: const CupertinoButton(
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onPressed: null,
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child: Text('X', style: testStyle),
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)),
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);
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final RenderBox buttonBox = tester.renderObject(find.byType(CupertinoButton));
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expect(
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buttonBox.size,
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// 1 10px character + 16px * 2 is smaller than the default 44px minimum.
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const Size.square(44.0),
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);
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});
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testWidgetsWithLeakTracking('Minimum size parameter', (WidgetTester tester) async {
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const double minSize = 60.0;
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await tester.pumpWidget(
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boilerplate(child: const CupertinoButton(
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onPressed: null,
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minSize: minSize,
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child: Text('X', style: testStyle),
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)),
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);
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final RenderBox buttonBox = tester.renderObject(find.byType(CupertinoButton));
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expect(
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buttonBox.size,
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// 1 10px character + 16px * 2 is smaller than defined 60.0px minimum
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const Size.square(minSize),
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);
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});
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testWidgetsWithLeakTracking('Size grows with text', (WidgetTester tester) async {
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await tester.pumpWidget(
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boilerplate(child: const CupertinoButton(
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onPressed: null,
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child: Text('XXXX', style: testStyle),
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)),
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);
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final RenderBox buttonBox = tester.renderObject(find.byType(CupertinoButton));
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expect(
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buttonBox.size.width,
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// 4 10px character + 16px * 2 = 72.
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72.0,
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);
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});
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// TODO(LongCatIsLoong): Uncomment once https://github.com/flutter/flutter/issues/44115
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// is fixed.
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/*
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testWidgetsWithLeakTracking(
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'CupertinoButton.filled default color contrast meets guideline',
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(WidgetTester tester) async {
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// The native color combination systemBlue text over white background fails
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// to pass the color contrast guideline.
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//await tester.pumpWidget(
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// CupertinoTheme(
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// data: const CupertinoThemeData(),
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// child: Directionality(
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// textDirection: TextDirection.ltr,
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// child: CupertinoButton.filled(
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// child: const Text('Button'),
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// onPressed: () {},
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// ),
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// ),
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// ),
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//);
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//await expectLater(tester, meetsGuideline(textContrastGuideline));
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await tester.pumpWidget(
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CupertinoApp(
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theme: const CupertinoThemeData(brightness: Brightness.dark),
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home: CupertinoPageScaffold(
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child: CupertinoButton.filled(
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child: const Text('Button'),
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onPressed: () {},
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),
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),
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),
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);
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await expectLater(tester, meetsGuideline(textContrastGuideline));
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});
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*/
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testWidgetsWithLeakTracking('Button child alignment', (WidgetTester tester) async {
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await tester.pumpWidget(
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CupertinoApp(
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home: CupertinoButton(
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onPressed: () { },
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child: const Text('button'),
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),
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),
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);
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Align align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align)));
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expect(align.alignment, Alignment.center); // default
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await tester.pumpWidget(
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CupertinoApp(
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home: CupertinoButton(
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alignment: Alignment.centerLeft,
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onPressed: () { },
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child: const Text('button'),
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),
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),
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);
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align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align)));
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expect(align.alignment, Alignment.centerLeft);
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});
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testWidgetsWithLeakTracking('Button with background is wider', (WidgetTester tester) async {
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await tester.pumpWidget(boilerplate(child: const CupertinoButton(
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onPressed: null,
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color: Color(0xFFFFFFFF),
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child: Text('X', style: testStyle),
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)));
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final RenderBox buttonBox = tester.renderObject(find.byType(CupertinoButton));
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expect(
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buttonBox.size.width,
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// 1 10px character + 64 * 2 = 138 for buttons with background.
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138.0,
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);
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});
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testWidgetsWithLeakTracking('Custom padding', (WidgetTester tester) async {
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await tester.pumpWidget(boilerplate(child: const CupertinoButton(
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onPressed: null,
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padding: EdgeInsets.all(100.0),
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child: Text('X', style: testStyle),
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)));
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final RenderBox buttonBox = tester.renderObject(find.byType(CupertinoButton));
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expect(
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buttonBox.size,
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const Size.square(210.0),
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);
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});
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testWidgetsWithLeakTracking('Button takes taps', (WidgetTester tester) async {
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bool value = false;
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await tester.pumpWidget(
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StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return boilerplate(
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child: CupertinoButton(
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child: const Text('Tap me'),
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onPressed: () {
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setState(() {
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value = true;
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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(value, isFalse);
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// No animating by default.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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await tester.tap(find.byType(CupertinoButton));
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expect(value, isTrue);
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// Animates.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(1));
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});
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testWidgetsWithLeakTracking("Disabled button doesn't animate", (WidgetTester tester) async {
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await tester.pumpWidget(boilerplate(child: const CupertinoButton(
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onPressed: null,
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child: Text('Tap me'),
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)));
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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await tester.tap(find.byType(CupertinoButton));
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// Still doesn't animate.
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expect(SchedulerBinding.instance.transientCallbackCount, equals(0));
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});
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testWidgetsWithLeakTracking('Enabled button animates', (WidgetTester tester) async {
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await tester.pumpWidget(boilerplate(child: CupertinoButton(
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child: const Text('Tap me'),
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onPressed: () { },
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)));
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await tester.tap(find.byType(CupertinoButton));
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// Enter animation.
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await tester.pump();
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FadeTransition transition = tester.firstWidget(find.byType(FadeTransition));
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await tester.pump(const Duration(milliseconds: 50));
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transition = tester.firstWidget(find.byType(FadeTransition));
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expect(transition.opacity.value, moreOrLessEquals(0.403, epsilon: 0.001));
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await tester.pump(const Duration(milliseconds: 100));
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transition = tester.firstWidget(find.byType(FadeTransition));
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expect(transition.opacity.value, moreOrLessEquals(0.400, epsilon: 0.001));
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await tester.pump(const Duration(milliseconds: 50));
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transition = tester.firstWidget(find.byType(FadeTransition));
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expect(transition.opacity.value, moreOrLessEquals(0.650, epsilon: 0.001));
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await tester.pump(const Duration(milliseconds: 50));
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transition = tester.firstWidget(find.byType(FadeTransition));
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expect(transition.opacity.value, moreOrLessEquals(0.894, epsilon: 0.001));
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await tester.pump(const Duration(milliseconds: 50));
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transition = tester.firstWidget(find.byType(FadeTransition));
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expect(transition.opacity.value, moreOrLessEquals(0.988, epsilon: 0.001));
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await tester.pump(const Duration(milliseconds: 50));
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transition = tester.firstWidget(find.byType(FadeTransition));
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expect(transition.opacity.value, moreOrLessEquals(1.0, epsilon: 0.001));
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});
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testWidgetsWithLeakTracking('pressedOpacity defaults to 0.1', (WidgetTester tester) async {
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await tester.pumpWidget(boilerplate(child: CupertinoButton(
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child: const Text('Tap me'),
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onPressed: () { },
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)));
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// Keep a "down" gesture on the button
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final Offset center = tester.getCenter(find.byType(CupertinoButton));
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final TestGesture gesture = await tester.startGesture(center);
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await tester.pumpAndSettle();
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// Check opacity
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final FadeTransition opacity = tester.widget(find.descendant(
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of: find.byType(CupertinoButton),
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matching: find.byType(FadeTransition),
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));
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expect(opacity.opacity.value, 0.4);
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// Finish gesture to release resources.
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await gesture.up();
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await tester.pumpAndSettle();
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});
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testWidgetsWithLeakTracking('pressedOpacity parameter', (WidgetTester tester) async {
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const double pressedOpacity = 0.5;
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await tester.pumpWidget(boilerplate(child: CupertinoButton(
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pressedOpacity: pressedOpacity,
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child: const Text('Tap me'),
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onPressed: () { },
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)));
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// Keep a "down" gesture on the button
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final Offset center = tester.getCenter(find.byType(CupertinoButton));
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final TestGesture gesture = await tester.startGesture(center);
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await tester.pumpAndSettle();
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// Check opacity
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final FadeTransition opacity = tester.widget(find.descendant(
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of: find.byType(CupertinoButton),
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matching: find.byType(FadeTransition),
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));
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expect(opacity.opacity.value, pressedOpacity);
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// Finish gesture to release resources.
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await gesture.up();
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await tester.pumpAndSettle();
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});
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testWidgetsWithLeakTracking('Cupertino button is semantically a button', (WidgetTester tester) async {
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final SemanticsTester semantics = SemanticsTester(tester);
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await tester.pumpWidget(
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boilerplate(
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child: Center(
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child: CupertinoButton(
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onPressed: () { },
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child: const Text('ABC'),
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),
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),
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),
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);
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expect(semantics, hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics.rootChild(
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actions: SemanticsAction.tap.index,
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label: 'ABC',
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flags: SemanticsFlag.isButton.index,
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),
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],
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),
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ignoreId: true,
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ignoreRect: true,
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ignoreTransform: true,
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));
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semantics.dispose();
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});
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testWidgetsWithLeakTracking('Can specify colors', (WidgetTester tester) async {
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await tester.pumpWidget(boilerplate(child: CupertinoButton(
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color: const Color(0x000000FF),
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disabledColor: const Color(0x0000FF00),
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onPressed: () { },
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child: const Text('Skeuomorph me'),
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)));
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BoxDecoration boxDecoration = tester.widget<DecoratedBox>(
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find.widgetWithText(DecoratedBox, 'Skeuomorph me'),
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).decoration as BoxDecoration;
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expect(boxDecoration.color, const Color(0x000000FF));
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await tester.pumpWidget(boilerplate(child: const CupertinoButton(
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color: Color(0x000000FF),
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disabledColor: Color(0x0000FF00),
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onPressed: null,
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child: Text('Skeuomorph me'),
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)));
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boxDecoration = tester.widget<DecoratedBox>(
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find.widgetWithText(DecoratedBox, 'Skeuomorph me'),
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).decoration as BoxDecoration;
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expect(boxDecoration.color, const Color(0x0000FF00));
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});
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testWidgetsWithLeakTracking('Can specify dynamic colors', (WidgetTester tester) async {
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const Color bgColor = CupertinoDynamicColor.withBrightness(
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color: Color(0xFF123456),
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darkColor: Color(0xFF654321),
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);
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const Color inactive = CupertinoDynamicColor.withBrightness(
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color: Color(0xFF111111),
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darkColor: Color(0xFF222222),
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);
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(platformBrightness: Brightness.dark),
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child: boilerplate(child: CupertinoButton(
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color: bgColor,
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disabledColor: inactive,
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onPressed: () { },
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child: const Text('Skeuomorph me'),
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)),
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),
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);
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BoxDecoration boxDecoration = tester.widget<DecoratedBox>(
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find.widgetWithText(DecoratedBox, 'Skeuomorph me'),
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).decoration as BoxDecoration;
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expect(boxDecoration.color!.value, 0xFF654321);
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(),
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child: boilerplate(child: const CupertinoButton(
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color: bgColor,
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disabledColor: inactive,
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onPressed: null,
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child: Text('Skeuomorph me'),
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)),
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),
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);
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boxDecoration = tester.widget<DecoratedBox>(
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find.widgetWithText(DecoratedBox, 'Skeuomorph me'),
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).decoration as BoxDecoration;
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// Disabled color.
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expect(boxDecoration.color!.value, 0xFF111111);
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});
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testWidgetsWithLeakTracking('Button respects themes', (WidgetTester tester) async {
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late TextStyle textStyle;
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await tester.pumpWidget(
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CupertinoApp(
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home: CupertinoButton(
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onPressed: () { },
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child: Builder(builder: (BuildContext context) {
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textStyle = DefaultTextStyle.of(context).style;
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return const Placeholder();
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}),
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),
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),
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);
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expect(textStyle.color, CupertinoColors.activeBlue);
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await tester.pumpWidget(
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CupertinoApp(
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home: CupertinoButton.filled(
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onPressed: () { },
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child: Builder(builder: (BuildContext context) {
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textStyle = DefaultTextStyle.of(context).style;
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return const Placeholder();
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}),
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),
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),
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);
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expect(textStyle.color, isSameColorAs(CupertinoColors.white));
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BoxDecoration decoration = tester.widget<DecoratedBox>(
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find.descendant(
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of: find.byType(CupertinoButton),
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matching: find.byType(DecoratedBox),
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),
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).decoration as BoxDecoration;
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expect(decoration.color, CupertinoColors.activeBlue);
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await tester.pumpWidget(
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CupertinoApp(
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theme: const CupertinoThemeData(brightness: Brightness.dark),
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home: CupertinoButton(
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onPressed: () { },
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child: Builder(builder: (BuildContext context) {
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textStyle = DefaultTextStyle.of(context).style;
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return const Placeholder();
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}),
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),
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),
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);
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expect(textStyle.color, isSameColorAs(CupertinoColors.systemBlue.darkColor));
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await tester.pumpWidget(
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CupertinoApp(
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theme: const CupertinoThemeData(brightness: Brightness.dark),
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home: CupertinoButton.filled(
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onPressed: () { },
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child: Builder(builder: (BuildContext context) {
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textStyle = DefaultTextStyle.of(context).style;
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return const Placeholder();
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}),
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),
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),
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);
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expect(textStyle.color, isSameColorAs(CupertinoColors.black));
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decoration = tester.widget<DecoratedBox>(
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find.descendant(
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of: find.byType(CupertinoButton),
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matching: find.byType(DecoratedBox),
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),
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).decoration as BoxDecoration;
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expect(decoration.color, isSameColorAs(CupertinoColors.systemBlue.darkColor));
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});
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testWidgetsWithLeakTracking('Hovering over Cupertino button updates cursor to clickable on Web', (WidgetTester tester) async {
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await tester.pumpWidget(
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CupertinoApp(
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home: Center(
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child: CupertinoButton.filled(
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onPressed: () { },
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child: const Text('Tap me'),
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),
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),
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),
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);
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final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1);
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await gesture.addPointer(location: const Offset(10, 10));
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await tester.pumpAndSettle();
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expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
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final Offset button = tester.getCenter(find.byType(CupertinoButton));
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await gesture.moveTo(button);
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await tester.pumpAndSettle();
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expect(
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RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
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kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
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);
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});
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}
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Widget boilerplate({ required Widget child }) {
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return Directionality(
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textDirection: TextDirection.ltr,
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child: Center(child: child),
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);
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}
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