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Migrate More Material Tests (#67482)

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Michael Goderbauer 2020-10-07 11:02:04 -07:00 committed by GitHub
parent bd2ec40c08
commit 727cee6d87
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14 changed files with 197 additions and 276 deletions
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2
packages/flutter/lib/src/material/radio.dart
View file

@ -129,7 +129,7 @@ class Radio<T> extends StatefulWidget {
///
/// This radio button is considered selected if its [value] matches the
/// [groupValue].
final T groupValue;
final T? groupValue;
/// Called when the user selects this radio button.
///

2
packages/flutter/lib/src/material/radio_list_tile.dart
View file

@ -335,7 +335,7 @@ class RadioListTile<T> extends StatelessWidget {
///
/// This radio button is considered selected if its [value] matches the
/// [groupValue].
final T groupValue;
final T? groupValue;
/// Called when the user selects this radio button.
///

4
packages/flutter/lib/src/material/refresh_indicator.dart
View file

@ -175,7 +175,7 @@ class RefreshIndicatorState extends State<RefreshIndicator> with TickerProviderS
late Animation<Color?> _valueColor;
_RefreshIndicatorMode? _mode;
Future<void>? _pendingRefreshFuture;
late Future<void> _pendingRefreshFuture;
bool? _isIndicatorAtTop;
double? _dragOffset;
@ -406,7 +406,7 @@ class RefreshIndicatorState extends State<RefreshIndicator> with TickerProviderS
/// When initiated in this manner, the refresh indicator is independent of any
/// actual scroll view. It defaults to showing the indicator at the top. To
/// show it at the bottom, set `atTop` to false.
Future<void>? show({ bool atTop = true }) {
Future<void> show({ bool atTop = true }) {
if (_mode != _RefreshIndicatorMode.refresh &&
_mode != _RefreshIndicatorMode.snap) {
if (_mode == null)

6
packages/flutter/test/material/progress_indicator_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/material.dart';
@ -298,8 +296,8 @@ void main() {
});
testWidgets('Determinate CircularProgressIndicator stops the animator', (WidgetTester tester) async {
double progressValue;
StateSetter setState;
double? progressValue;
late StateSetter setState;
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,

46
packages/flutter/test/material/radio_list_tile_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'dart:ui';
import 'package:flutter/foundation.dart';
@ -14,7 +12,7 @@ import 'package:flutter/material.dart';
import '../widgets/semantics_tester.dart';
Widget wrap({Widget child}) {
Widget wrap({Widget? child}) {
return MediaQuery(
data: const MediaQueryData(),
child: Directionality(
@ -28,7 +26,7 @@ void main() {
testWidgets('RadioListTile should initialize according to groupValue',
(WidgetTester tester) async {
final List<int> values = <int>[0, 1, 2];
int selectedValue;
int? selectedValue;
// Constructor parameters are required for [RadioListTile], but they are
// irrelevant when searching with [find.byType].
final Type radioListTileType = const RadioListTile<int>(
@ -53,7 +51,7 @@ void main() {
body: ListView.builder(
itemCount: values.length,
itemBuilder: (BuildContext context, int index) => RadioListTile<int>(
onChanged: (int value) {
onChanged: (int? value) {
setState(() {
selectedValue = value;
});
@ -89,7 +87,7 @@ void main() {
testWidgets('RadioListTile simple control test', (WidgetTester tester) async {
final Key key = UniqueKey();
final Key titleKey = UniqueKey();
final List<int> log = <int>[];
final List<int?> log = <int?>[];
await tester.pumpWidget(
wrap(
@ -160,7 +158,7 @@ void main() {
testWidgets('RadioListTile control tests', (WidgetTester tester) async {
final List<int> values = <int>[0, 1, 2];
int selectedValue;
int? selectedValue;
// Constructor parameters are required for [Radio], but they are irrelevant
// when searching with [find.byType].
final Type radioType = const Radio<int>(
@ -178,7 +176,7 @@ void main() {
body: ListView.builder(
itemCount: values.length,
itemBuilder: (BuildContext context, int index) => RadioListTile<int>(
onChanged: (int value) {
onChanged: (int? value) {
log.add(value);
setState(() {
selectedValue = value;
@ -228,7 +226,7 @@ void main() {
testWidgets('Selected RadioListTile should not trigger onChanged', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/30311
final List<int> values = <int>[0, 1, 2];
int selectedValue;
int? selectedValue;
// Constructor parameters are required for [Radio], but they are irrelevant
// when searching with [find.byType].
final Type radioType = const Radio<int>(
@ -246,7 +244,7 @@ void main() {
body: ListView.builder(
itemCount: values.length,
itemBuilder: (BuildContext context, int index) => RadioListTile<int>(
onChanged: (int value) {
onChanged: (int? value) {
log.add(value);
setState(() {
selectedValue = value;
@ -280,7 +278,7 @@ void main() {
testWidgets('Selected RadioListTile should trigger onChanged when toggleable',
(WidgetTester tester) async {
final List<int> values = <int>[0, 1, 2];
int selectedValue;
int? selectedValue;
// Constructor parameters are required for [Radio], but they are irrelevant
// when searching with [find.byType].
final Type radioType = const Radio<int>(
@ -299,7 +297,7 @@ void main() {
itemCount: values.length,
itemBuilder: (BuildContext context, int index) {
return RadioListTile<int>(
onChanged: (int value) {
onChanged: (int? value) {
log.add(value);
setState(() {
selectedValue = value;
@ -325,16 +323,16 @@ void main() {
await tester.tap(find.text('0'));
await tester.pump();
expect(log, equals(<int>[0, null]));
expect(log, equals(<int?>[0, null]));
await tester.tap(find.byType(radioType).at(0));
await tester.pump();
expect(log, equals(<int>[0, null, 0]));
expect(log, equals(<int?>[0, null, 0]));
});
testWidgets('RadioListTile can be toggled when toggleable is set', (WidgetTester tester) async {
final Key key = UniqueKey();
final List<int> log = <int>[];
final List<int?> log = <int?>[];
await tester.pumpWidget(Material(
child: Center(
@ -367,7 +365,7 @@ void main() {
await tester.tap(find.byKey(key));
expect(log, equals(<int>[null]));
expect(log, equals(<int?>[null]));
log.clear();
await tester.pumpWidget(Material(
@ -395,7 +393,7 @@ void main() {
child: RadioListTile<int>(
value: 1,
groupValue: 2,
onChanged: (int i) {},
onChanged: (int? i) {},
title: const Text('Title'),
),
),
@ -431,7 +429,7 @@ void main() {
child: RadioListTile<int>(
value: 2,
groupValue: 2,
onChanged: (int i) {},
onChanged: (int? i) {},
title: const Text('Title'),
),
),
@ -540,7 +538,7 @@ void main() {
final SemanticsTester semantics = SemanticsTester(tester);
final Key key = UniqueKey();
dynamic semanticEvent;
int radioValue = 2;
int? radioValue = 2;
SystemChannels.accessibility.setMockMessageHandler((dynamic message) async {
semanticEvent = message;
});
@ -551,7 +549,7 @@ void main() {
key: key,
value: 1,
groupValue: radioValue,
onChanged: (int i) {
onChanged: (int? i) {
radioValue = i;
},
title: const Text('Title'),
@ -566,10 +564,10 @@ void main() {
expect(radioValue, 1);
expect(semanticEvent, <String, dynamic>{
'type': 'tap',
'nodeId': object.debugSemantics.id,
'nodeId': object.debugSemantics!.id,
'data': <String, dynamic>{},
});
expect(object.debugSemantics.getSemanticsData().hasAction(SemanticsAction.tap), true);
expect(object.debugSemantics!.getSemanticsData().hasAction(SemanticsAction.tap), true);
semantics.dispose();
SystemChannels.accessibility.setMockMessageHandler(null);
@ -591,7 +589,7 @@ void main() {
);
await tester.pump();
expect(Focus.of(childKey.currentContext, nullOk: true).hasPrimaryFocus, isTrue);
expect(Focus.of(childKey.currentContext!)!.hasPrimaryFocus, isTrue);
await tester.pumpWidget(
wrap(
@ -606,6 +604,6 @@ void main() {
);
await tester.pump();
expect(Focus.of(childKey.currentContext, nullOk: true).hasPrimaryFocus, isFalse);
expect(Focus.of(childKey.currentContext!)!.hasPrimaryFocus, isFalse);
});
}

54
packages/flutter/test/material/radio_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'dart:ui';
import 'package:flutter/foundation.dart';
@ -18,7 +16,7 @@ import '../widgets/semantics_tester.dart';
void main() {
testWidgets('Radio control test', (WidgetTester tester) async {
final Key key = UniqueKey();
final List<int> log = <int>[];
final List<int?> log = <int?>[];
await tester.pumpWidget(Material(
child: Center(
@ -70,7 +68,7 @@ void main() {
testWidgets('Radio can be toggled when toggleable is set', (WidgetTester tester) async {
final Key key = UniqueKey();
final List<int> log = <int>[];
final List<int?> log = <int?>[];
await tester.pumpWidget(Material(
child: Center(
@ -103,7 +101,7 @@ void main() {
await tester.tap(find.byKey(key));
expect(log, equals(<int>[null]));
expect(log, equals(<int?>[null]));
log.clear();
await tester.pumpWidget(Material(
@ -136,7 +134,7 @@ void main() {
key: key1,
groupValue: true,
value: true,
onChanged: (bool newValue) { },
onChanged: (bool? newValue) { },
),
),
),
@ -158,7 +156,7 @@ void main() {
key: key2,
groupValue: true,
value: true,
onChanged: (bool newValue) { },
onChanged: (bool? newValue) { },
),
),
),
@ -177,7 +175,7 @@ void main() {
child: Radio<int>(
value: 1,
groupValue: 2,
onChanged: (int i) { },
onChanged: (int? i) { },
),
));
@ -203,7 +201,7 @@ void main() {
child: Radio<int>(
value: 2,
groupValue: 2,
onChanged: (int i) { },
onChanged: (int? i) { },
),
));
@ -293,7 +291,7 @@ void main() {
final SemanticsTester semantics = SemanticsTester(tester);
final Key key = UniqueKey();
dynamic semanticEvent;
int radioValue = 2;
int? radioValue = 2;
SystemChannels.accessibility.setMockMessageHandler((dynamic message) async {
semanticEvent = message;
});
@ -303,7 +301,7 @@ void main() {
key: key,
value: 1,
groupValue: radioValue,
onChanged: (int i) {
onChanged: (int? i) {
radioValue = i;
},
),
@ -315,10 +313,10 @@ void main() {
expect(radioValue, 1);
expect(semanticEvent, <String, dynamic>{
'type': 'tap',
'nodeId': object.debugSemantics.id,
'nodeId': object.debugSemantics!.id,
'data': <String, dynamic>{},
});
expect(object.debugSemantics.getSemanticsData().hasAction(SemanticsAction.tap), true);
expect(object.debugSemantics!.getSemanticsData().hasAction(SemanticsAction.tap), true);
semantics.dispose();
SystemChannels.accessibility.setMockMessageHandler(null);
@ -342,7 +340,7 @@ void main() {
key: radioKey,
value: 1,
groupValue: 1,
onChanged: (int value) { },
onChanged: (int? value) { },
),
),
),
@ -361,7 +359,7 @@ void main() {
testWidgets('Radio is focusable and has correct focus color', (WidgetTester tester) async {
final FocusNode focusNode = FocusNode(debugLabel: 'Radio');
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
int groupValue = 0;
int? groupValue = 0;
const Key radioKey = Key('radio');
Widget buildApp({bool enabled = true}) {
return MaterialApp(
@ -375,7 +373,7 @@ void main() {
child: Radio<int>(
key: radioKey,
value: 0,
onChanged: enabled ? (int newValue) {
onChanged: enabled ? (int? newValue) {
setState(() {
groupValue = newValue;
});
@ -439,7 +437,7 @@ void main() {
testWidgets('Radio can be hovered and has correct hover color', (WidgetTester tester) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
int groupValue = 0;
int? groupValue = 0;
const Key radioKey = Key('radio');
Widget buildApp({bool enabled = true}) {
return MaterialApp(
@ -453,7 +451,7 @@ void main() {
child: Radio<int>(
key: radioKey,
value: 0,
onChanged: enabled ? (int newValue) {
onChanged: enabled ? (int? newValue) {
setState(() {
groupValue = newValue;
});
@ -519,7 +517,7 @@ void main() {
testWidgets('Radio can be controlled by keyboard shortcuts', (WidgetTester tester) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
int groupValue = 1;
int? groupValue = 1;
const Key radioKey0 = Key('radio0');
const Key radioKey1 = Key('radio1');
const Key radioKey2 = Key('radio2');
@ -538,7 +536,7 @@ void main() {
Radio<int>(
key: radioKey0,
value: 0,
onChanged: enabled ? (int newValue) {
onChanged: enabled ? (int? newValue) {
setState(() {
groupValue = newValue;
});
@ -550,7 +548,7 @@ void main() {
Radio<int>(
key: radioKey1,
value: 1,
onChanged: enabled ? (int newValue) {
onChanged: enabled ? (int? newValue) {
setState(() {
groupValue = newValue;
});
@ -561,7 +559,7 @@ void main() {
Radio<int>(
key: radioKey2,
value: 2,
onChanged: enabled ? (int newValue) {
onChanged: enabled ? (int? newValue) {
setState(() {
groupValue = newValue;
});
@ -605,7 +603,7 @@ void main() {
child: Radio<int>(
visualDensity: visualDensity,
key: key,
onChanged: (int value) {},
onChanged: (int? value) {},
value: 0,
groupValue: 0,
),
@ -648,7 +646,7 @@ void main() {
key: key,
mouseCursor: SystemMouseCursors.text,
value: 1,
onChanged: (int v) {},
onChanged: (int? v) {},
groupValue: 2,
),
),
@ -664,7 +662,7 @@ void main() {
await tester.pump();
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
// Test default cursor
@ -678,7 +676,7 @@ void main() {
cursor: SystemMouseCursors.forbidden,
child: Radio<int>(
value: 1,
onChanged: (int v) {},
onChanged: (int? v) {},
groupValue: 2,
),
),
@ -688,7 +686,7 @@ void main() {
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
// Test default cursor when disabled
await tester.pumpWidget(
@ -711,6 +709,6 @@ void main() {
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
});
}

44
packages/flutter/test/material/raised_button_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
@ -38,10 +36,10 @@ void main() {
expect(material.elevation, 2.0);
expect(material.shadowColor, null);
expect(material.shape, RoundedRectangleBorder(borderRadius: BorderRadius.circular(2.0)));
expect(material.textStyle.color, const Color(0xdd000000));
expect(material.textStyle.fontFamily, 'Roboto');
expect(material.textStyle.fontSize, 14);
expect(material.textStyle.fontWeight, FontWeight.w500);
expect(material.textStyle!.color, const Color(0xdd000000));
expect(material.textStyle!.fontFamily, 'Roboto');
expect(material.textStyle!.fontSize, 14);
expect(material.textStyle!.fontWeight, FontWeight.w500);
expect(material.type, MaterialType.button);
final Offset center = tester.getCenter(find.byType(RaisedButton));
@ -58,10 +56,10 @@ void main() {
expect(material.elevation, 8.0);
expect(material.shadowColor, null);
expect(material.shape, RoundedRectangleBorder(borderRadius: BorderRadius.circular(2.0)));
expect(material.textStyle.color, const Color(0xdd000000));
expect(material.textStyle.fontFamily, 'Roboto');
expect(material.textStyle.fontSize, 14);
expect(material.textStyle.fontWeight, FontWeight.w500);
expect(material.textStyle!.color, const Color(0xdd000000));
expect(material.textStyle!.fontFamily, 'Roboto');
expect(material.textStyle!.fontSize, 14);
expect(material.textStyle!.fontWeight, FontWeight.w500);
expect(material.type, MaterialType.button);
// Disabled RaisedButton
@ -83,10 +81,10 @@ void main() {
expect(material.elevation, 0.0);
expect(material.shadowColor, null);
expect(material.shape, RoundedRectangleBorder(borderRadius: BorderRadius.circular(2.0)));
expect(material.textStyle.color, const Color(0x61000000));
expect(material.textStyle.fontFamily, 'Roboto');
expect(material.textStyle.fontSize, 14);
expect(material.textStyle.fontWeight, FontWeight.w500);
expect(material.textStyle!.color, const Color(0x61000000));
expect(material.textStyle!.fontFamily, 'Roboto');
expect(material.textStyle!.fontSize, 14);
expect(material.textStyle!.fontWeight, FontWeight.w500);
expect(material.type, MaterialType.button);
});
@ -198,7 +196,7 @@ void main() {
);
Color textColor() {
return tester.renderObject<RenderParagraph>(find.text('RaisedButton')).text.style.color;
return tester.renderObject<RenderParagraph>(find.text('RaisedButton')).text.style!.color!;
}
// Default, not disabled.
@ -267,7 +265,7 @@ void main() {
),
);
Color iconColor() => _iconStyle(tester, Icons.add).color;
Color iconColor() => _iconStyle(tester, Icons.add).color!;
// Default, not disabled.
expect(iconColor(), equals(defaultColor));
@ -325,7 +323,7 @@ void main() {
);
Color textColor() {
return tester.renderObject<RenderParagraph>(find.text('RaisedButton')).text.style.color;
return tester.renderObject<RenderParagraph>(find.text('RaisedButton')).text.style!.color!;
}
// Disabled.
@ -338,7 +336,7 @@ void main() {
bool wasPressed;
Finder raisedButton;
Widget buildFrame({ VoidCallback onPressed, VoidCallback onLongPress }) {
Widget buildFrame({ VoidCallback? onPressed, VoidCallback? onLongPress }) {
return Directionality(
textDirection: TextDirection.ltr,
child: RaisedButton(
@ -454,7 +452,7 @@ void main() {
addTearDown(gesture.removePointer);
await tester.pump();
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
await tester.pumpWidget(
Directionality(
@ -469,7 +467,7 @@ void main() {
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
// Test default cursor
await tester.pumpWidget(
@ -484,7 +482,7 @@ void main() {
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
// Test default cursor when disabled
await tester.pumpWidget(
@ -499,7 +497,7 @@ void main() {
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
});
@ -735,5 +733,5 @@ TextStyle _iconStyle(WidgetTester tester, IconData icon) {
final RichText iconRichText = tester.widget<RichText>(
find.descendant(of: find.byIcon(icon), matching: find.byType(RichText)),
);
return iconRichText.text.style;
return iconRichText.text.style!;
}

48
packages/flutter/test/material/range_slider_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'dart:ui';
import 'package:flutter/cupertino.dart';
@ -886,8 +884,8 @@ void main() {
testWidgets('Range Slider onChangeEnd and onChangeStart are called on an interaction initiated by tap', (WidgetTester tester) async {
RangeValues values = const RangeValues(30, 70);
RangeValues startValues;
RangeValues endValues;
RangeValues? startValues;
RangeValues? endValues;
await tester.pumpWidget(
MaterialApp(
@ -934,18 +932,18 @@ void main() {
expect(startValues, null);
expect(endValues, null);
await tester.dragFrom(leftTarget, (bottomRight - topLeft) * 0.2);
expect(startValues.start, moreOrLessEquals(30, epsilon: 1));
expect(startValues.end, moreOrLessEquals(70, epsilon: 1));
expect(startValues!.start, moreOrLessEquals(30, epsilon: 1));
expect(startValues!.end, moreOrLessEquals(70, epsilon: 1));
expect(values.start, moreOrLessEquals(50, epsilon: 1));
expect(values.end, moreOrLessEquals(70, epsilon: 1));
expect(endValues.start, moreOrLessEquals(50, epsilon: 1));
expect(endValues.end, moreOrLessEquals(70, epsilon: 1));
expect(endValues!.start, moreOrLessEquals(50, epsilon: 1));
expect(endValues!.end, moreOrLessEquals(70, epsilon: 1));
});
testWidgets('Range Slider onChangeEnd and onChangeStart are called on an interaction initiated by drag', (WidgetTester tester) async {
RangeValues values = const RangeValues(30, 70);
RangeValues startValues;
RangeValues endValues;
late RangeValues startValues;
late RangeValues endValues;
await tester.pumpWidget(
MaterialApp(
@ -1029,14 +1027,14 @@ void main() {
}
Widget _buildThemedApp({
ThemeData theme,
Color activeColor,
Color inactiveColor,
int divisions,
required ThemeData theme,
Color? activeColor,
Color? inactiveColor,
int? divisions,
bool enabled = true,
}) {
RangeValues values = const RangeValues(0.5, 0.75);
final ValueChanged<RangeValues> onChanged = !enabled ? null : (RangeValues newValues) {
final ValueChanged<RangeValues>? onChanged = !enabled ? null : (RangeValues newValues) {
values = newValues;
};
return MaterialApp(
@ -1287,12 +1285,12 @@ void main() {
RangeValues values = const RangeValues(0.5, 0.75);
Widget buildApp({
Color activeColor,
Color inactiveColor,
int divisions,
Color? activeColor,
Color? inactiveColor,
int? divisions,
bool enabled = true,
}) {
final ValueChanged<RangeValues> onChanged = !enabled ? null : (RangeValues newValues) {
final ValueChanged<RangeValues>? onChanged = !enabled ? null : (RangeValues newValues) {
values = newValues;
};
return MaterialApp(
@ -1345,9 +1343,9 @@ void main() {
const Color fillColor = Color(0xf55f5f5f);
Widget buildApp({
Color activeColor,
Color inactiveColor,
int divisions,
Color? activeColor,
Color? inactiveColor,
int? divisions,
bool enabled = true,
}) {
final ValueChanged<RangeValues> onChanged = (RangeValues newValues) {
@ -1374,12 +1372,12 @@ void main() {
ElevatedButton(
child: const Text('Next'),
onPressed: () {
Navigator.of(context).pushReplacement(
Navigator.of(context)!.pushReplacement(
MaterialPageRoute<void>(
builder: (BuildContext context) {
return ElevatedButton(
child: const Text('Inner page'),
onPressed: () { Navigator.of(context).pop(); },
onPressed: () { Navigator.of(context)!.pop(); },
);
},
),
@ -1943,7 +1941,7 @@ void main() {
await tester.pumpWidget(buildFrame(15));
await tester.pumpAndSettle(); // Finish the animation.
Rect activeTrackRect;
late Rect activeTrackRect;
expect(renderObject, paints..something((Symbol method, List<dynamic> arguments) {
if (method != #drawRect)
return false;

10
packages/flutter/test/material/raw_material_button_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
@ -443,7 +441,7 @@ void main() {
bool wasPressed;
Finder rawMaterialButton;
Widget buildFrame({ VoidCallback onPressed, VoidCallback onLongPress }) {
Widget buildFrame({ VoidCallback? onPressed, VoidCallback? onLongPress }) {
return Directionality(
textDirection: TextDirection.ltr,
child: RawMaterialButton(
@ -593,7 +591,7 @@ void main() {
await tester.pump();
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
// Test default cursor
await tester.pumpWidget(
@ -608,7 +606,7 @@ void main() {
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
// Test default cursor when disabled
await tester.pumpWidget(
@ -623,6 +621,6 @@ void main() {
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
});
}

56
packages/flutter/test/material/refresh_indicator_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'dart:async';
import 'package:flutter/foundation.dart';
@ -360,35 +358,6 @@ void main() {
expect(completed2, true);
});
testWidgets('RefreshIndicator - onRefresh asserts', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: () {
refreshCalled = true;
return null; // Missing a returned Future value here, should cause framework to throw.
},
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(
height: 200.0,
child: Text(item),
);
}).toList(),
),
),
),
);
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
expect(refreshCalled, true);
expect(tester.takeException(), isFlutterError);
});
testWidgets('Refresh starts while scroll view moves back to 0.0 after overscroll', (WidgetTester tester) async {
refreshCalled = false;
double lastScrollOffset;
@ -458,31 +427,6 @@ void main() {
expect(layoutCount, 1);
});
testWidgets('strokeWidth cannot be null in RefreshIndicator', (WidgetTester tester) async {
try {
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: () async {},
strokeWidth: null,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(
height: 200.0,
child: Text(item),
);
}).toList(),
),
),
)
);
} on AssertionError catch(_) {
return;
}
fail('The assertion was not thrown when strokeWidth was null');
});
testWidgets('RefreshIndicator responds to strokeWidth', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(

102
packages/flutter/test/material/reorderable_list_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'package:flutter/gestures.dart';
import 'package:flutter/semantics.dart';
import 'package:flutter_test/flutter_test.dart';
@ -13,7 +11,7 @@ void main() {
group('$ReorderableListView', () {
const double itemHeight = 48.0;
const List<String> originalListItems = <String>['Item 1', 'Item 2', 'Item 3', 'Item 4'];
List<String> listItems;
late List<String> listItems;
void onReorder(int oldIndex, int newIndex) {
if (oldIndex < newIndex) {
@ -32,7 +30,7 @@ void main() {
);
}
Widget build({ Widget header, Axis scrollDirection = Axis.vertical, TextDirection textDirection = TextDirection.ltr }) {
Widget build({ Widget? header, Axis scrollDirection = Axis.vertical, TextDirection textDirection = TextDirection.ltr }) {
return MaterialApp(
home: Directionality(
textDirection: textDirection,
@ -172,43 +170,43 @@ void main() {
Element getContentElement() {
final SingleChildScrollView listScrollView = tester.widget(find.byType(SingleChildScrollView));
final Widget scrollContents = listScrollView.child;
final Widget scrollContents = listScrollView.child!;
final Element contentElement = tester.element(find.byElementPredicate((Element element) => element.widget == scrollContents));
return contentElement;
}
const double kDraggingListHeight = 292.0;
// Drag a normal text item
expect(getContentElement().size.height, kDraggingListHeight);
expect(getContentElement().size!.height, kDraggingListHeight);
TestGesture drag = await tester.startGesture(tester.getCenter(find.text('Normal item')));
await tester.pump(kLongPressTimeout + kPressTimeout);
await tester.pumpAndSettle();
expect(getContentElement().size.height, kDraggingListHeight);
expect(getContentElement().size!.height, kDraggingListHeight);
// Move it
await drag.moveTo(tester.getCenter(find.text('Last item')));
await tester.pumpAndSettle();
expect(getContentElement().size.height, kDraggingListHeight);
expect(getContentElement().size!.height, kDraggingListHeight);
// Drop it
await drag.up();
await tester.pumpAndSettle();
expect(getContentElement().size.height, kDraggingListHeight);
expect(getContentElement().size!.height, kDraggingListHeight);
// Drag a tall item
drag = await tester.startGesture(tester.getCenter(find.text('Tall item')));
await tester.pump(kLongPressTimeout + kPressTimeout);
await tester.pumpAndSettle();
expect(getContentElement().size.height, kDraggingListHeight);
expect(getContentElement().size!.height, kDraggingListHeight);
// Move it
await drag.moveTo(tester.getCenter(find.text('Last item')));
await tester.pumpAndSettle();
expect(getContentElement().size.height, kDraggingListHeight);
expect(getContentElement().size!.height, kDraggingListHeight);
// Drop it
await drag.up();
await tester.pumpAndSettle();
expect(getContentElement().size.height, kDraggingListHeight);
expect(getContentElement().size!.height, kDraggingListHeight);
});
testWidgets('Vertical drop area golden', (WidgetTester tester) async {
@ -257,7 +255,7 @@ void main() {
return find.byElementPredicate((Element element) => element.findAncestorWidgetOfExactType<_Stateful>()?.key == key)
.evaluate()
.first
.findAncestorStateOfType<_StatefulState>();
.findAncestorStateOfType<_StatefulState>()!;
}
await tester.pumpWidget(MaterialApp(
home: ReorderableListView(
@ -461,7 +459,7 @@ void main() {
of: find.byKey(Key(listItems[index])),
matching: find.byType(Semantics),
).evaluate().first.widget as Semantics;
return semantics.properties.customSemanticsActions;
return semantics.properties.customSemanticsActions!;
}
const CustomSemanticsAction moveToStart = CustomSemanticsAction(label: 'Move to the start');
@ -511,14 +509,14 @@ void main() {
// Test out move to end: move Item 1 to the end of the list.
await tester.pumpWidget(build());
Map<CustomSemanticsAction, VoidCallback> firstSemanticsActions = getSemanticsActions(0);
firstSemanticsActions[moveToEnd]();
firstSemanticsActions[moveToEnd]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 2', 'Item 3', 'Item 4', 'Item 1']));
// Test out move after: move Item 2 (the current first item) one space down.
await tester.pumpWidget(build());
firstSemanticsActions = getSemanticsActions(0);
firstSemanticsActions[moveDown]();
firstSemanticsActions[moveDown]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 3', 'Item 2', 'Item 4', 'Item 1']));
@ -532,28 +530,28 @@ void main() {
// Test out move to end: move Item 2 to the end of the list.
await tester.pumpWidget(build());
Map<CustomSemanticsAction, VoidCallback> middleSemanticsActions = getSemanticsActions(1);
middleSemanticsActions[moveToEnd]();
middleSemanticsActions[moveToEnd]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 3', 'Item 4', 'Item 2']));
// Test out move after: move Item 3 (the current second item) one space down.
await tester.pumpWidget(build());
middleSemanticsActions = getSemanticsActions(1);
middleSemanticsActions[moveDown]();
middleSemanticsActions[moveDown]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 4', 'Item 3', 'Item 2']));
// Test out move after: move Item 3 (the current third item) one space up.
await tester.pumpWidget(build());
middleSemanticsActions = getSemanticsActions(2);
middleSemanticsActions[moveUp]();
middleSemanticsActions[moveUp]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 3', 'Item 4', 'Item 2']));
// Test out move to start: move Item 4 (the current third item) to the start of the list.
await tester.pumpWidget(build());
middleSemanticsActions = getSemanticsActions(2);
middleSemanticsActions[moveToStart]();
middleSemanticsActions[moveToStart]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 3', 'Item 2']));
@ -567,14 +565,14 @@ void main() {
// Test out move to start: move Item 4 to the start of the list.
await tester.pumpWidget(build());
Map<CustomSemanticsAction, VoidCallback> lastSemanticsActions = getSemanticsActions(listItems.length - 1);
lastSemanticsActions[moveToStart]();
lastSemanticsActions[moveToStart]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 2', 'Item 3']));
// Test out move up: move Item 3 (the current last item) one space up.
await tester.pumpWidget(build());
lastSemanticsActions = getSemanticsActions(listItems.length - 1);
lastSemanticsActions[moveUp]();
lastSemanticsActions[moveUp]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 3', 'Item 2']));
@ -597,7 +595,7 @@ void main() {
child: SwitchListTile(
title: const Text('Switch tile'),
value: true,
onChanged: (bool newValue) { },
onChanged: (bool? newValue) { },
),
),
),
@ -755,43 +753,43 @@ void main() {
Element getContentElement() {
final SingleChildScrollView listScrollView = tester.widget(find.byType(SingleChildScrollView));
final Widget scrollContents = listScrollView.child;
final Widget scrollContents = listScrollView.child!;
final Element contentElement = tester.element(find.byElementPredicate((Element element) => element.widget == scrollContents));
return contentElement;
}
const double kDraggingListWidth = 292.0;
// Drag a normal text item
expect(getContentElement().size.width, kDraggingListWidth);
expect(getContentElement().size!.width, kDraggingListWidth);
TestGesture drag = await tester.startGesture(tester.getCenter(find.text('Normal item')));
await tester.pump(kLongPressTimeout + kPressTimeout);
await tester.pumpAndSettle();
expect(getContentElement().size.width, kDraggingListWidth);
expect(getContentElement().size!.width, kDraggingListWidth);
// Move it
await drag.moveTo(tester.getCenter(find.text('Last item')));
await tester.pumpAndSettle();
expect(getContentElement().size.width, kDraggingListWidth);
expect(getContentElement().size!.width, kDraggingListWidth);
// Drop it
await drag.up();
await tester.pumpAndSettle();
expect(getContentElement().size.width, kDraggingListWidth);
expect(getContentElement().size!.width, kDraggingListWidth);
// Drag a tall item
drag = await tester.startGesture(tester.getCenter(find.text('Tall item')));
await tester.pump(kLongPressTimeout + kPressTimeout);
await tester.pumpAndSettle();
expect(getContentElement().size.width, kDraggingListWidth);
expect(getContentElement().size!.width, kDraggingListWidth);
// Move it
await drag.moveTo(tester.getCenter(find.text('Last item')));
await tester.pumpAndSettle();
expect(getContentElement().size.width, kDraggingListWidth);
expect(getContentElement().size!.width, kDraggingListWidth);
// Drop it
await drag.up();
await tester.pumpAndSettle();
expect(getContentElement().size.width, kDraggingListWidth);
expect(getContentElement().size!.width, kDraggingListWidth);
});
testWidgets('Horizontal drop area golden', (WidgetTester tester) async {
@ -840,7 +838,7 @@ void main() {
return find.byElementPredicate((Element element) => element.findAncestorWidgetOfExactType<_Stateful>()?.key == key)
.evaluate()
.first
.findAncestorStateOfType<_StatefulState>();
.findAncestorStateOfType<_StatefulState>()!;
}
await tester.pumpWidget(MaterialApp(
home: ReorderableListView(
@ -912,7 +910,7 @@ void main() {
of: find.byKey(Key(listItems[index])),
matching: find.byType(Semantics),
).evaluate().first.widget as Semantics;
return semantics.properties.customSemanticsActions;
return semantics.properties.customSemanticsActions!;
}
const CustomSemanticsAction moveToStart = CustomSemanticsAction(label: 'Move to the start');
@ -995,14 +993,14 @@ void main() {
// Test out move to end: move Item 1 to the end of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
Map<CustomSemanticsAction, VoidCallback> firstSemanticsActions = getSemanticsActions(0);
firstSemanticsActions[moveToEnd]();
firstSemanticsActions[moveToEnd]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 2', 'Item 3', 'Item 4', 'Item 1']));
// Test out move after: move Item 2 (the current first item) one space to the right.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
firstSemanticsActions = getSemanticsActions(0);
firstSemanticsActions[moveRight]();
firstSemanticsActions[moveRight]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 3', 'Item 2', 'Item 4', 'Item 1']));
@ -1018,14 +1016,14 @@ void main() {
// Test out move to end: move Item 1 to the end of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
Map<CustomSemanticsAction, VoidCallback> firstSemanticsActions = getSemanticsActions(0);
firstSemanticsActions[moveToEnd]();
firstSemanticsActions[moveToEnd]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 2', 'Item 3', 'Item 4', 'Item 1']));
// Test out move after: move Item 2 (the current first item) one space to the left.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
firstSemanticsActions = getSemanticsActions(0);
firstSemanticsActions[moveLeft]();
firstSemanticsActions[moveLeft]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 3', 'Item 2', 'Item 4', 'Item 1']));
@ -1039,28 +1037,28 @@ void main() {
// Test out move to end: move Item 2 to the end of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
Map<CustomSemanticsAction, VoidCallback> middleSemanticsActions = getSemanticsActions(1);
middleSemanticsActions[moveToEnd]();
middleSemanticsActions[moveToEnd]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 3', 'Item 4', 'Item 2']));
// Test out move after: move Item 3 (the current second item) one space to the right.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
middleSemanticsActions = getSemanticsActions(1);
middleSemanticsActions[moveRight]();
middleSemanticsActions[moveRight]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 4', 'Item 3', 'Item 2']));
// Test out move after: move Item 3 (the current third item) one space to the left.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
middleSemanticsActions = getSemanticsActions(2);
middleSemanticsActions[moveLeft]();
middleSemanticsActions[moveLeft]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 3', 'Item 4', 'Item 2']));
// Test out move to start: move Item 4 (the current third item) to the start of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
middleSemanticsActions = getSemanticsActions(2);
middleSemanticsActions[moveToStart]();
middleSemanticsActions[moveToStart]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 3', 'Item 2']));
@ -1076,28 +1074,28 @@ void main() {
// Test out move to end: move Item 2 to the end of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
Map<CustomSemanticsAction, VoidCallback> middleSemanticsActions = getSemanticsActions(1);
middleSemanticsActions[moveToEnd]();
middleSemanticsActions[moveToEnd]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 3', 'Item 4', 'Item 2']));
// Test out move after: move Item 3 (the current second item) one space to the left.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
middleSemanticsActions = getSemanticsActions(1);
middleSemanticsActions[moveLeft]();
middleSemanticsActions[moveLeft]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 4', 'Item 3', 'Item 2']));
// Test out move after: move Item 3 (the current third item) one space to the right.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
middleSemanticsActions = getSemanticsActions(2);
middleSemanticsActions[moveRight]();
middleSemanticsActions[moveRight]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 1', 'Item 3', 'Item 4', 'Item 2']));
// Test out move to start: move Item 4 (the current third item) to the start of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
middleSemanticsActions = getSemanticsActions(2);
middleSemanticsActions[moveToStart]();
middleSemanticsActions[moveToStart]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 3', 'Item 2']));
@ -1111,14 +1109,14 @@ void main() {
// Test out move to start: move Item 4 to the start of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
Map<CustomSemanticsAction, VoidCallback> lastSemanticsActions = getSemanticsActions(listItems.length - 1);
lastSemanticsActions[moveToStart]();
lastSemanticsActions[moveToStart]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 2', 'Item 3']));
// Test out move before: move Item 3 (the current last item) one space to the left.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal));
lastSemanticsActions = getSemanticsActions(listItems.length - 1);
lastSemanticsActions[moveLeft]();
lastSemanticsActions[moveLeft]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 3', 'Item 2']));
@ -1134,14 +1132,14 @@ void main() {
// Test out move to start: move Item 4 to the start of the list.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
Map<CustomSemanticsAction, VoidCallback> lastSemanticsActions = getSemanticsActions(listItems.length - 1);
lastSemanticsActions[moveToStart]();
lastSemanticsActions[moveToStart]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 2', 'Item 3']));
// Test out move before: move Item 3 (the current last item) one space to the right.
await tester.pumpWidget(build(scrollDirection: Axis.horizontal, textDirection: TextDirection.rtl));
lastSemanticsActions = getSemanticsActions(listItems.length - 1);
lastSemanticsActions[moveRight]();
lastSemanticsActions[moveRight]!();
await tester.pumpAndSettle();
expect(listItems, orderedEquals(<String>['Item 4', 'Item 1', 'Item 3', 'Item 2']));
@ -1190,14 +1188,14 @@ Future<void> longPressDrag(WidgetTester tester, Offset start, Offset end) async
class _Stateful extends StatefulWidget {
// Ignoring the preference for const constructors because we want to test with regular non-const instances.
// ignore:prefer_const_constructors_in_immutables
_Stateful({Key key}) : super(key: key);
_Stateful({Key? key}) : super(key: key);
@override
State<StatefulWidget> createState() => _StatefulState();
}
class _StatefulState extends State<_Stateful> {
bool checked = false;
bool? checked = false;
@override
Widget build(BuildContext context) {
@ -1207,7 +1205,7 @@ class _StatefulState extends State<_Stateful> {
child: Material(
child: Checkbox(
value: checked,
onChanged: (bool newValue) => checked = newValue,
onChanged: (bool? newValue) => checked = newValue,
),
),
);

70
packages/flutter/test/material/scaffold_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart' show DragStartBehavior;
import 'package:flutter/material.dart';
@ -298,7 +296,7 @@ void main() {
expect(renderBox.size.height, equals(appBarHeight));
});
Widget _buildStatusBarTestApp(TargetPlatform platform) {
Widget _buildStatusBarTestApp(TargetPlatform? platform) {
return MaterialApp(
theme: ThemeData(platform: platform),
home: MediaQuery(
@ -357,7 +355,7 @@ void main() {
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showBottomSheet<void>((BuildContext context) {
Scaffold.of(context)!.showBottomSheet<void>((BuildContext context) {
return Container(
key: sheetKey,
color: Colors.blue[500],
@ -519,7 +517,7 @@ void main() {
};
await tester.pumpWidget(MaterialApp(routes: routes));
Navigator.pushNamed(rootKey.currentContext, '/scaffold');
Navigator.pushNamed(rootKey.currentContext!, '/scaffold');
await tester.pump();
await tester.pump(const Duration(seconds: 1));
@ -671,9 +669,9 @@ void main() {
testWidgets('body size with extendBody', (WidgetTester tester) async {
final Key bodyKey = UniqueKey();
double mediaQueryBottom;
late double mediaQueryBottom;
Widget buildFrame({ bool extendBody, bool resizeToAvoidBottomInset, double viewInsetBottom = 0.0 }) {
Widget buildFrame({ required bool extendBody, bool? resizeToAvoidBottomInset, double viewInsetBottom = 0.0 }) {
return Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
@ -685,7 +683,7 @@ void main() {
extendBody: extendBody,
body: Builder(
builder: (BuildContext context) {
mediaQueryBottom = MediaQuery.of(context).padding.bottom;
mediaQueryBottom = MediaQuery.of(context)!.padding.bottom;
return Container(key: bodyKey);
},
),
@ -732,10 +730,10 @@ void main() {
const double appBarHeight = 100;
const double windowPaddingTop = 24;
bool fixedHeightAppBar;
double mediaQueryTop;
late bool fixedHeightAppBar;
late double mediaQueryTop;
Widget buildFrame({ bool extendBodyBehindAppBar, bool hasAppBar }) {
Widget buildFrame({ required bool extendBodyBehindAppBar, required bool hasAppBar }) {
return Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
@ -758,7 +756,7 @@ void main() {
),
body: Builder(
builder: (BuildContext context) {
mediaQueryTop = MediaQuery.of(context).padding.top;
mediaQueryTop = MediaQuery.of(context)!.padding.top;
return Container(key: bodyKey);
}
),
@ -1224,7 +1222,7 @@ void main() {
await tester.pump(const Duration(milliseconds: 50));
ScaffoldGeometry geometry = listenerState.cache.value;
final Rect transitioningFabRect = geometry.floatingActionButtonArea;
final Rect transitioningFabRect = geometry.floatingActionButtonArea!;
final double transitioningRotation = tester.widget<RotationTransition>(
find.byType(RotationTransition),
@ -1249,17 +1247,17 @@ void main() {
);
expect(
geometry.floatingActionButtonArea.center,
geometry.floatingActionButtonArea!.center,
transitioningFabRect.center,
);
expect(
geometry.floatingActionButtonArea.width,
geometry.floatingActionButtonArea!.width,
greaterThan(transitioningFabRect.width),
);
expect(
geometry.floatingActionButtonArea.height,
geometry.floatingActionButtonArea!.height,
greaterThan(transitioningFabRect.height),
);
});
@ -1672,12 +1670,12 @@ void main() {
});
testWidgets('End drawer does not open with a drag gesture when it is disabled', (WidgetTester tester) async {
double screenWidth;
late double screenWidth;
await tester.pumpWidget(
MaterialApp(
home: Builder(
builder: (BuildContext context) {
screenWidth = MediaQuery.of(context).size.width;
screenWidth = MediaQuery.of(context)!.size.width;
return Scaffold(
endDrawer: const Drawer(
child: Text('Drawer'),
@ -1746,7 +1744,7 @@ void main() {
// Regression test for https://github.com/flutter/flutter/issues/20295
final Key bodyKey = UniqueKey();
Widget buildFrame(bool innerResizeToAvoidBottomInset, bool outerResizeToAvoidBottomInset) {
Widget buildFrame(bool? innerResizeToAvoidBottomInset, bool? outerResizeToAvoidBottomInset) {
return Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
@ -1810,10 +1808,10 @@ void main() {
),
),
);
FlutterError error;
late FlutterError error;
try {
key.currentState.showBottomSheet<void>((BuildContext context) {
final ThemeData themeData = Theme.of(context);
key.currentState!.showBottomSheet<void>((BuildContext context) {
final ThemeData themeData = Theme.of(context)!;
return Container(
decoration: BoxDecoration(
border: Border(top: BorderSide(color: themeData.disabledColor))
@ -1872,7 +1870,7 @@ void main() {
),
),
);
key.currentState.showBottomSheet<void>((_) => Container());
key.currentState!.showBottomSheet<void>((_) => Container());
await tester.tap(find.byKey(buttonKey));
await tester.pump();
expect(errors, isNotEmpty);
@ -1902,7 +1900,7 @@ void main() {
MaterialApp(
home: Builder(
builder: (BuildContext context) {
Scaffold.of(context).showBottomSheet<void>((BuildContext context) {
Scaffold.of(context)!.showBottomSheet<void>((BuildContext context) {
return Container();
});
return Container();
@ -1970,7 +1968,7 @@ void main() {
});
testWidgets('Call to Scaffold.geometryOf() without context', (WidgetTester tester) async {
ValueListenable<ScaffoldGeometry> geometry;
ValueListenable<ScaffoldGeometry>? geometry;
await tester.pumpWidget(
MaterialApp(
home: Builder(
@ -2036,7 +2034,7 @@ void main() {
});
testWidgets('ScaffoldMessenger.of can return null', (WidgetTester tester) async {
ScaffoldMessengerState scaffoldMessenger;
ScaffoldMessengerState? scaffoldMessenger;
const Key tapTarget = Key('tap-target');
await tester.pumpWidget(Directionality(
textDirection: TextDirection.ltr,
@ -2070,7 +2068,7 @@ void main() {
const Key tapTarget = Key('tap-target');
final List<dynamic> exceptions = <dynamic>[];
final FlutterExceptionHandler oldHandler = FlutterError.onError;
final FlutterExceptionHandler? oldHandler = FlutterError.onError;
FlutterError.onError = (FlutterErrorDetails details) {
exceptions.add(details.exception);
};
@ -2161,8 +2159,8 @@ class _GeometryListenerState extends State<_GeometryListener> {
}
int numNotifications = 0;
ValueListenable<ScaffoldGeometry> geometryListenable;
_GeometryCachePainter cache;
ValueListenable<ScaffoldGeometry>? geometryListenable;
late _GeometryCachePainter cache;
@override
void didChangeDependencies() {
@ -2172,11 +2170,11 @@ class _GeometryListenerState extends State<_GeometryListener> {
return;
if (geometryListenable != null)
geometryListenable.removeListener(onGeometryChanged);
geometryListenable!.removeListener(onGeometryChanged);
geometryListenable = newListenable;
geometryListenable.addListener(onGeometryChanged);
cache = _GeometryCachePainter(geometryListenable);
geometryListenable!.addListener(onGeometryChanged);
cache = _GeometryCachePainter(geometryListenable!);
}
void onGeometryChanged() {
@ -2192,7 +2190,7 @@ class _GeometryCachePainter extends CustomPainter {
final ValueListenable<ScaffoldGeometry> geometryListenable;
ScaffoldGeometry value;
late ScaffoldGeometry value;
@override
void paint(Canvas canvas, Size size) {
value = geometryListenable.value;
@ -2206,7 +2204,7 @@ class _GeometryCachePainter extends CustomPainter {
class _CustomPageRoute<T> extends PageRoute<T> {
_CustomPageRoute({
@required this.builder,
required this.builder,
RouteSettings settings = const RouteSettings(),
this.maintainState = true,
bool fullscreenDialog = false,
@ -2219,10 +2217,10 @@ class _CustomPageRoute<T> extends PageRoute<T> {
Duration get transitionDuration => const Duration(milliseconds: 300);
@override
Color get barrierColor => null;
Color? get barrierColor => null;
@override
String get barrierLabel => null;
String? get barrierLabel => null;
@override
final bool maintainState;

4
packages/flutter/test/material/scrollbar_paint_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/material.dart';
@ -12,7 +10,7 @@ import '../rendering/mock_canvas.dart';
Widget _buildSingleChildScrollViewWithScrollbar({
TextDirection textDirection = TextDirection.ltr,
EdgeInsets padding = EdgeInsets.zero,
Widget child,
Widget? child,
}) {
return Directionality(
textDirection: textDirection,

25
packages/flutter/test/material/scrollbar_test.dart
View file

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
@ -13,20 +11,18 @@ import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
class TestCanvas implements Canvas {
TestCanvas([this.invocations]);
final List<Invocation> invocations;
final List<Invocation> invocations = <Invocation>[];
@override
void noSuchMethod(Invocation invocation) {
invocations?.add(invocation);
invocations.add(invocation);
}
}
Widget _buildBoilerplate({
TextDirection textDirection = TextDirection.ltr,
EdgeInsets padding = EdgeInsets.zero,
Widget child,
required Widget child,
}) {
return Directionality(
textDirection: textDirection,
@ -67,15 +63,15 @@ void main() {
),
);
SchedulerBinding.instance.debugAssertNoTransientCallbacks('Building a list with a scrollbar triggered an animation.');
SchedulerBinding.instance!.debugAssertNoTransientCallbacks('Building a list with a scrollbar triggered an animation.');
await tester.tap(find.byType(ListView));
SchedulerBinding.instance.debugAssertNoTransientCallbacks('Tapping a block with a scrollbar triggered an animation.');
SchedulerBinding.instance!.debugAssertNoTransientCallbacks('Tapping a block with a scrollbar triggered an animation.');
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 200));
await tester.drag(find.byType(ListView), const Offset(0.0, -10.0));
expect(SchedulerBinding.instance.transientCallbackCount, greaterThan(0));
expect(SchedulerBinding.instance!.transientCallbackCount, greaterThan(0));
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 200));
@ -116,12 +112,11 @@ void main() {
);
scrollPainter.update(metrics, AxisDirection.down);
final List<Invocation> invocations = <Invocation>[];
final TestCanvas canvas = TestCanvas(invocations);
final TestCanvas canvas = TestCanvas();
scrollPainter.paint(canvas, const Size(10.0, 100.0));
// Scrollbar is not supposed to draw anything if there isn't enough content.
expect(invocations.isEmpty, isTrue);
expect(canvas.invocations.isEmpty, isTrue);
});
testWidgets('Adaptive scrollbar', (WidgetTester tester) async {
@ -174,7 +169,7 @@ void main() {
testWidgets('Scrollbar passes controller to CupertinoScrollbar', (WidgetTester tester) async {
final ScrollController controller = ScrollController();
Widget viewWithScroll(TargetPlatform platform) {
Widget viewWithScroll(TargetPlatform? platform) {
return _buildBoilerplate(
child: Theme(
data: ThemeData(
@ -517,7 +512,7 @@ void main() {
testWidgets('Scrollbar respects thickness and radius', (WidgetTester tester) async {
final ScrollController controller = ScrollController();
Widget viewWithScroll({Radius radius}) {
Widget viewWithScroll({Radius? radius}) {
return _buildBoilerplate(
child: Theme(
data: ThemeData(),