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https://github.com/flutter/flutter.git
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631 lines
22 KiB
Dart
631 lines
22 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 'dart:ui' show Brightness;
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('MediaQuery does not have a default', (WidgetTester tester) async {
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bool tested = false;
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await tester.pumpWidget(
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Builder(
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builder: (BuildContext context) {
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tested = true;
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MediaQuery.of(context); // should throw
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return Container();
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},
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),
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);
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expect(tested, isTrue);
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final dynamic exception = tester.takeException();
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expect(exception, isNotNull);
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expect(exception ,isFlutterError);
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final FlutterError error = exception as FlutterError;
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expect(error.diagnostics.length, 5);
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expect(error.diagnostics.last, isA<ErrorHint>());
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expect(
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error.toStringDeep(),
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equalsIgnoringHashCodes(
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'FlutterError\n'
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' No MediaQuery widget ancestor found.\n'
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' Builder widgets require a MediaQuery widget ancestor.\n'
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' The specific widget that could not find a MediaQuery ancestor\n'
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' was:\n'
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' Builder\n'
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' The ownership chain for the affected widget is: "Builder ←\n'
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' [root]"\n'
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' No MediaQuery ancestor could be found starting from the context\n'
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' that was passed to MediaQuery.of(). This can happen because you\n'
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' have not added a WidgetsApp, CupertinoApp, or MaterialApp widget\n'
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' (those widgets introduce a MediaQuery), or it can happen if the\n'
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' context you use comes from a widget above those widgets.\n',
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),
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);
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});
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testWidgets('MediaQuery.of finds a MediaQueryData when there is one', (WidgetTester tester) async {
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bool tested = false;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(),
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child: Builder(
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builder: (BuildContext context) {
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final MediaQueryData data = MediaQuery.of(context);
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expect(data, isNotNull);
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tested = true;
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return Container();
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},
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),
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),
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);
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final dynamic exception = tester.takeException();
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expect(exception, isNull);
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expect(tested, isTrue);
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});
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testWidgets('MediaQuery.maybeOf defaults to null', (WidgetTester tester) async {
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bool tested = false;
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await tester.pumpWidget(
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Builder(
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builder: (BuildContext context) {
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final MediaQueryData? data = MediaQuery.maybeOf(context);
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expect(data, isNull);
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tested = true;
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return Container();
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},
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),
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);
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expect(tested, isTrue);
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});
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testWidgets('MediaQuery.maybeOf finds a MediaQueryData when there is one', (WidgetTester tester) async {
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bool tested = false;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(),
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child: Builder(
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builder: (BuildContext context) {
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final MediaQueryData? data = MediaQuery.maybeOf(context);
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expect(data, isNotNull);
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tested = true;
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return Container();
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},
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),
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),
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);
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expect(tested, isTrue);
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});
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testWidgets('MediaQueryData.fromWindow is sane', (WidgetTester tester) async {
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final MediaQueryData data = MediaQueryData.fromWindow(WidgetsBinding.instance!.window);
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expect(data, hasOneLineDescription);
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expect(data.hashCode, equals(data.copyWith().hashCode));
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expect(data.size, equals(WidgetsBinding.instance!.window.physicalSize / WidgetsBinding.instance!.window.devicePixelRatio));
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expect(data.accessibleNavigation, false);
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expect(data.invertColors, false);
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expect(data.disableAnimations, false);
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expect(data.boldText, false);
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expect(data.highContrast, false);
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expect(data.platformBrightness, Brightness.light);
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});
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testWidgets('MediaQueryData.copyWith defaults to source', (WidgetTester tester) async {
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final MediaQueryData data = MediaQueryData.fromWindow(WidgetsBinding.instance!.window);
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final MediaQueryData copied = data.copyWith();
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expect(copied.size, data.size);
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expect(copied.devicePixelRatio, data.devicePixelRatio);
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expect(copied.textScaleFactor, data.textScaleFactor);
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expect(copied.padding, data.padding);
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expect(copied.viewPadding, data.viewPadding);
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expect(copied.viewInsets, data.viewInsets);
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expect(copied.systemGestureInsets, data.systemGestureInsets);
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expect(copied.alwaysUse24HourFormat, data.alwaysUse24HourFormat);
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expect(copied.accessibleNavigation, data.accessibleNavigation);
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expect(copied.invertColors, data.invertColors);
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expect(copied.disableAnimations, data.disableAnimations);
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expect(copied.boldText, data.boldText);
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expect(copied.highContrast, data.highContrast);
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expect(copied.platformBrightness, data.platformBrightness);
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});
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testWidgets('MediaQuery.copyWith copies specified values', (WidgetTester tester) async {
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// Random and unique double values are used to ensure that the correct
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// values are copied over exactly
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const Size customSize = Size(3.14, 2.72);
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const double customDevicePixelRatio = 1.41;
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const double customTextScaleFactor = 1.62;
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const EdgeInsets customPadding = EdgeInsets.all(9.10938);
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const EdgeInsets customViewPadding = EdgeInsets.all(11.24031);
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const EdgeInsets customViewInsets = EdgeInsets.all(1.67262);
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const EdgeInsets customSystemGestureInsets = EdgeInsets.all(1.5556);
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final MediaQueryData data = MediaQueryData.fromWindow(WidgetsBinding.instance!.window);
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final MediaQueryData copied = data.copyWith(
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size: customSize,
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devicePixelRatio: customDevicePixelRatio,
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textScaleFactor: customTextScaleFactor,
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padding: customPadding,
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viewPadding: customViewPadding,
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viewInsets: customViewInsets,
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systemGestureInsets: customSystemGestureInsets,
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alwaysUse24HourFormat: true,
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accessibleNavigation: true,
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invertColors: true,
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disableAnimations: true,
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boldText: true,
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highContrast: true,
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platformBrightness: Brightness.dark,
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);
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expect(copied.size, customSize);
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expect(copied.devicePixelRatio, customDevicePixelRatio);
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expect(copied.textScaleFactor, customTextScaleFactor);
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expect(copied.padding, customPadding);
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expect(copied.viewPadding, customViewPadding);
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expect(copied.viewInsets, customViewInsets);
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expect(copied.systemGestureInsets, customSystemGestureInsets);
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expect(copied.alwaysUse24HourFormat, true);
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expect(copied.accessibleNavigation, true);
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expect(copied.invertColors, true);
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expect(copied.disableAnimations, true);
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expect(copied.boldText, true);
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expect(copied.highContrast, true);
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expect(copied.platformBrightness, Brightness.dark);
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});
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testWidgets('MediaQuery.removePadding removes specified padding', (WidgetTester tester) async {
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const Size size = Size(2.0, 4.0);
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const double devicePixelRatio = 2.0;
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const double textScaleFactor = 1.2;
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const EdgeInsets padding = EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
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const EdgeInsets viewPadding = EdgeInsets.only(top: 6.0, right: 8.0, left: 10.0, bottom: 12.0);
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const EdgeInsets viewInsets = EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
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late MediaQueryData unpadded;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(
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size: size,
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devicePixelRatio: devicePixelRatio,
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textScaleFactor: textScaleFactor,
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padding: padding,
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viewPadding: viewPadding,
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viewInsets: viewInsets,
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alwaysUse24HourFormat: true,
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accessibleNavigation: true,
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invertColors: true,
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disableAnimations: true,
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boldText: true,
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highContrast: true,
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),
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child: Builder(
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builder: (BuildContext context) {
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return MediaQuery.removePadding(
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context: context,
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removeLeft: true,
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removeTop: true,
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removeRight: true,
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removeBottom: true,
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child: Builder(
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builder: (BuildContext context) {
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unpadded = MediaQuery.of(context);
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return Container();
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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(unpadded.size, size);
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expect(unpadded.devicePixelRatio, devicePixelRatio);
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expect(unpadded.textScaleFactor, textScaleFactor);
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expect(unpadded.padding, EdgeInsets.zero);
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expect(unpadded.viewPadding, viewInsets);
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expect(unpadded.viewInsets, viewInsets);
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expect(unpadded.alwaysUse24HourFormat, true);
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expect(unpadded.accessibleNavigation, true);
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expect(unpadded.invertColors, true);
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expect(unpadded.disableAnimations, true);
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expect(unpadded.boldText, true);
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expect(unpadded.highContrast, true);
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});
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testWidgets('MediaQuery.removePadding only removes specified padding', (WidgetTester tester) async {
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const Size size = Size(2.0, 4.0);
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const double devicePixelRatio = 2.0;
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const double textScaleFactor = 1.2;
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const EdgeInsets padding = EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
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const EdgeInsets viewPadding = EdgeInsets.only(top: 6.0, right: 8.0, left: 10.0, bottom: 12.0);
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const EdgeInsets viewInsets = EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
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late MediaQueryData unpadded;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(
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size: size,
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devicePixelRatio: devicePixelRatio,
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textScaleFactor: textScaleFactor,
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padding: padding,
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viewPadding: viewPadding,
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viewInsets: viewInsets,
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alwaysUse24HourFormat: true,
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accessibleNavigation: true,
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invertColors: true,
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disableAnimations: true,
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boldText: true,
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highContrast: true,
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),
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child: Builder(
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builder: (BuildContext context) {
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return MediaQuery.removePadding(
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removeTop: true,
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context: context,
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child: Builder(
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builder: (BuildContext context) {
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unpadded = MediaQuery.of(context);
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return Container();
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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(unpadded.size, size);
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expect(unpadded.devicePixelRatio, devicePixelRatio);
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expect(unpadded.textScaleFactor, textScaleFactor);
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expect(unpadded.padding, padding.copyWith(top: 0));
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expect(unpadded.viewPadding, viewPadding.copyWith(top: viewInsets.top));
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expect(unpadded.viewInsets, viewInsets);
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expect(unpadded.alwaysUse24HourFormat, true);
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expect(unpadded.accessibleNavigation, true);
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expect(unpadded.invertColors, true);
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expect(unpadded.disableAnimations, true);
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expect(unpadded.boldText, true);
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expect(unpadded.highContrast, true);
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});
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testWidgets('MediaQuery.removeViewInsets removes specified viewInsets', (WidgetTester tester) async {
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const Size size = Size(2.0, 4.0);
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const double devicePixelRatio = 2.0;
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const double textScaleFactor = 1.2;
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const EdgeInsets padding = EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
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const EdgeInsets viewPadding = EdgeInsets.only(top: 6.0, right: 8.0, left: 10.0, bottom: 12.0);
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const EdgeInsets viewInsets = EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
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late MediaQueryData unpadded;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(
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size: size,
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devicePixelRatio: devicePixelRatio,
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textScaleFactor: textScaleFactor,
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padding: padding,
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viewPadding: viewPadding,
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viewInsets: viewInsets,
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alwaysUse24HourFormat: true,
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accessibleNavigation: true,
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invertColors: true,
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disableAnimations: true,
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boldText: true,
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highContrast: true,
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),
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child: Builder(
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builder: (BuildContext context) {
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return MediaQuery.removeViewInsets(
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context: context,
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removeLeft: true,
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removeTop: true,
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removeRight: true,
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removeBottom: true,
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child: Builder(
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builder: (BuildContext context) {
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unpadded = MediaQuery.of(context);
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return Container();
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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(unpadded.size, size);
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expect(unpadded.devicePixelRatio, devicePixelRatio);
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expect(unpadded.textScaleFactor, textScaleFactor);
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expect(unpadded.padding, padding);
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expect(unpadded.viewPadding, padding);
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expect(unpadded.viewInsets, EdgeInsets.zero);
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expect(unpadded.alwaysUse24HourFormat, true);
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expect(unpadded.accessibleNavigation, true);
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expect(unpadded.invertColors, true);
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expect(unpadded.disableAnimations, true);
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expect(unpadded.boldText, true);
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expect(unpadded.highContrast, true);
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});
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testWidgets('MediaQuery.removeViewInsets removes only specified viewInsets', (WidgetTester tester) async {
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const Size size = Size(2.0, 4.0);
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const double devicePixelRatio = 2.0;
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const double textScaleFactor = 1.2;
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const EdgeInsets padding = EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
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const EdgeInsets viewPadding = EdgeInsets.only(top: 6.0, right: 8.0, left: 10.0, bottom: 12.0);
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const EdgeInsets viewInsets = EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
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late MediaQueryData unpadded;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(
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size: size,
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devicePixelRatio: devicePixelRatio,
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textScaleFactor: textScaleFactor,
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padding: padding,
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viewPadding: viewPadding,
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viewInsets: viewInsets,
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alwaysUse24HourFormat: true,
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accessibleNavigation: true,
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invertColors: true,
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disableAnimations: true,
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boldText: true,
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highContrast: true,
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),
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child: Builder(
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builder: (BuildContext context) {
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return MediaQuery.removeViewInsets(
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context: context,
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removeBottom: true,
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child: Builder(
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builder: (BuildContext context) {
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unpadded = MediaQuery.of(context);
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return Container();
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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(unpadded.size, size);
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expect(unpadded.devicePixelRatio, devicePixelRatio);
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expect(unpadded.textScaleFactor, textScaleFactor);
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expect(unpadded.padding, padding);
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expect(unpadded.viewPadding, viewPadding.copyWith(bottom: 8));
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expect(unpadded.viewInsets, viewInsets.copyWith(bottom: 0));
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expect(unpadded.alwaysUse24HourFormat, true);
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expect(unpadded.accessibleNavigation, true);
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expect(unpadded.invertColors, true);
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expect(unpadded.disableAnimations, true);
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expect(unpadded.boldText, true);
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expect(unpadded.highContrast, true);
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});
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testWidgets('MediaQuery.removeViewPadding removes specified viewPadding', (WidgetTester tester) async {
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const Size size = Size(2.0, 4.0);
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const double devicePixelRatio = 2.0;
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const double textScaleFactor = 1.2;
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const EdgeInsets padding = EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
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const EdgeInsets viewPadding = EdgeInsets.only(top: 6.0, right: 8.0, left: 10.0, bottom: 12.0);
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const EdgeInsets viewInsets = EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
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late MediaQueryData unpadded;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(
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size: size,
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devicePixelRatio: devicePixelRatio,
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textScaleFactor: textScaleFactor,
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padding: padding,
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viewPadding: viewPadding,
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viewInsets: viewInsets,
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alwaysUse24HourFormat: true,
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accessibleNavigation: true,
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invertColors: true,
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disableAnimations: true,
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boldText: true,
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highContrast: true,
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),
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child: Builder(
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builder: (BuildContext context) {
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return MediaQuery.removeViewPadding(
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context: context,
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removeLeft: true,
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removeTop: true,
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removeRight: true,
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removeBottom: true,
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child: Builder(
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builder: (BuildContext context) {
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unpadded = MediaQuery.of(context);
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return Container();
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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(unpadded.size, size);
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expect(unpadded.devicePixelRatio, devicePixelRatio);
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expect(unpadded.textScaleFactor, textScaleFactor);
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expect(unpadded.padding, EdgeInsets.zero);
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expect(unpadded.viewPadding, EdgeInsets.zero);
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expect(unpadded.viewInsets, viewInsets);
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expect(unpadded.alwaysUse24HourFormat, true);
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expect(unpadded.accessibleNavigation, true);
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expect(unpadded.invertColors, true);
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expect(unpadded.disableAnimations, true);
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expect(unpadded.boldText, true);
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expect(unpadded.highContrast, true);
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});
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testWidgets('MediaQuery.removeViewPadding removes only specified viewPadding', (WidgetTester tester) async {
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const Size size = Size(2.0, 4.0);
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const double devicePixelRatio = 2.0;
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const double textScaleFactor = 1.2;
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const EdgeInsets padding = EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
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const EdgeInsets viewPadding = EdgeInsets.only(top: 6.0, right: 8.0, left: 10.0, bottom: 12.0);
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const EdgeInsets viewInsets = EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
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late MediaQueryData unpadded;
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await tester.pumpWidget(
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MediaQuery(
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data: const MediaQueryData(
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size: size,
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devicePixelRatio: devicePixelRatio,
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|
textScaleFactor: textScaleFactor,
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padding: padding,
|
|
viewPadding: viewPadding,
|
|
viewInsets: viewInsets,
|
|
alwaysUse24HourFormat: true,
|
|
accessibleNavigation: true,
|
|
invertColors: true,
|
|
disableAnimations: true,
|
|
boldText: true,
|
|
highContrast: true,
|
|
),
|
|
child: Builder(
|
|
builder: (BuildContext context) {
|
|
return MediaQuery.removeViewPadding(
|
|
context: context,
|
|
removeLeft: true,
|
|
child: Builder(
|
|
builder: (BuildContext context) {
|
|
unpadded = MediaQuery.of(context);
|
|
return Container();
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
);
|
|
|
|
expect(unpadded.size, size);
|
|
expect(unpadded.devicePixelRatio, devicePixelRatio);
|
|
expect(unpadded.textScaleFactor, textScaleFactor);
|
|
expect(unpadded.padding, padding.copyWith(left: 0));
|
|
expect(unpadded.viewPadding, viewPadding.copyWith(left: 0));
|
|
expect(unpadded.viewInsets, viewInsets);
|
|
expect(unpadded.alwaysUse24HourFormat, true);
|
|
expect(unpadded.accessibleNavigation, true);
|
|
expect(unpadded.invertColors, true);
|
|
expect(unpadded.disableAnimations, true);
|
|
expect(unpadded.boldText, true);
|
|
expect(unpadded.highContrast, true);
|
|
});
|
|
|
|
testWidgets('MediaQuery.textScaleFactorOf', (WidgetTester tester) async {
|
|
late double outsideTextScaleFactor;
|
|
late double insideTextScaleFactor;
|
|
|
|
await tester.pumpWidget(
|
|
Builder(
|
|
builder: (BuildContext context) {
|
|
outsideTextScaleFactor = MediaQuery.textScaleFactorOf(context);
|
|
return MediaQuery(
|
|
data: const MediaQueryData(
|
|
textScaleFactor: 4.0,
|
|
),
|
|
child: Builder(
|
|
builder: (BuildContext context) {
|
|
insideTextScaleFactor = MediaQuery.textScaleFactorOf(context);
|
|
return Container();
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
|
|
expect(outsideTextScaleFactor, 1.0);
|
|
expect(insideTextScaleFactor, 4.0);
|
|
});
|
|
|
|
testWidgets('MediaQuery.platformBrightnessOf', (WidgetTester tester) async {
|
|
late Brightness outsideBrightness;
|
|
late Brightness insideBrightness;
|
|
|
|
await tester.pumpWidget(
|
|
Builder(
|
|
builder: (BuildContext context) {
|
|
outsideBrightness = MediaQuery.platformBrightnessOf(context);
|
|
return MediaQuery(
|
|
data: const MediaQueryData(
|
|
platformBrightness: Brightness.dark,
|
|
),
|
|
child: Builder(
|
|
builder: (BuildContext context) {
|
|
insideBrightness = MediaQuery.platformBrightnessOf(context);
|
|
return Container();
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
|
|
expect(outsideBrightness, Brightness.light);
|
|
expect(insideBrightness, Brightness.dark);
|
|
});
|
|
|
|
testWidgets('MediaQuery.highContrastOf', (WidgetTester tester) async {
|
|
late bool outsideHighContrast;
|
|
late bool insideHighContrast;
|
|
|
|
await tester.pumpWidget(
|
|
Builder(
|
|
builder: (BuildContext context) {
|
|
outsideHighContrast = MediaQuery.highContrastOf(context);
|
|
return MediaQuery(
|
|
data: const MediaQueryData(
|
|
highContrast: true,
|
|
),
|
|
child: Builder(
|
|
builder: (BuildContext context) {
|
|
insideHighContrast = MediaQuery.highContrastOf(context);
|
|
return Container();
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
|
|
expect(outsideHighContrast, false);
|
|
expect(insideHighContrast, true);
|
|
});
|
|
|
|
testWidgets('MediaQuery.boldTextOverride', (WidgetTester tester) async {
|
|
late bool outsideBoldTextOverride;
|
|
late bool insideBoldTextOverride;
|
|
|
|
await tester.pumpWidget(
|
|
Builder(
|
|
builder: (BuildContext context) {
|
|
outsideBoldTextOverride = MediaQuery.boldTextOverride(context);
|
|
return MediaQuery(
|
|
data: const MediaQueryData(
|
|
boldText: true,
|
|
),
|
|
child: Builder(
|
|
builder: (BuildContext context) {
|
|
insideBoldTextOverride = MediaQuery.boldTextOverride(context);
|
|
return Container();
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
|
|
expect(outsideBoldTextOverride, false);
|
|
expect(insideBoldTextOverride, true);
|
|
});
|
|
}
|