| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'package:flutter/foundation.dart'; |
| import 'package:flutter/gestures.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../rendering/mock_canvas.dart'; |
| import '../widgets/semantics_tester.dart'; |
| |
| void main() { |
| testWidgets('FilledButton, FilledButton.icon defaults', (WidgetTester tester) async { |
| const ColorScheme colorScheme = ColorScheme.light(); |
| final ThemeData theme = ThemeData.from(colorScheme: colorScheme); |
| |
| // Enabled FilledButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Center( |
| child: FilledButton( |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder buttonMaterial = find.descendant( |
| of: find.byType(FilledButton), |
| matching: find.byType(Material), |
| ); |
| |
| Material material = tester.widget<Material>(buttonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, colorScheme.primary); |
| expect(material.elevation, 0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, const StadiumBorder()); |
| expect(material.textStyle!.color, colorScheme.onPrimary); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| |
| final Align align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align))); |
| expect(align.alignment, Alignment.center); |
| |
| final Offset center = tester.getCenter(find.byType(FilledButton)); |
| await tester.startGesture(center); |
| await tester.pump(); // start the splash animation |
| await tester.pump(const Duration(milliseconds: 100)); // splash is underway |
| |
| // Enabled FilledButton.icon |
| final Key iconButtonKey = UniqueKey(); |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Center( |
| child: FilledButton.icon( |
| key: iconButtonKey, |
| onPressed: () { }, |
| icon: const Icon(Icons.add), |
| label: const Text('label'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder iconButtonMaterial = find.descendant( |
| of: find.byKey(iconButtonKey), |
| matching: find.byType(Material), |
| ); |
| |
| material = tester.widget<Material>(iconButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, colorScheme.primary); |
| expect(material.elevation, 0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, const StadiumBorder()); |
| expect(material.textStyle!.color, colorScheme.onPrimary); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| |
| // Disabled FilledButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: const Center( |
| child: FilledButton( |
| onPressed: null, |
| child: Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| // Finish the elevation animation, final background color change. |
| await tester.pumpAndSettle(); |
| |
| material = tester.widget<Material>(buttonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, colorScheme.onSurface.withOpacity(0.12)); |
| expect(material.elevation, 0.0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, const StadiumBorder()); |
| expect(material.textStyle!.color, colorScheme.onSurface.withOpacity(0.38)); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| }); |
| |
| testWidgets('FilledButton.tonal, FilledButton.tonalIcon defaults', (WidgetTester tester) async { |
| const ColorScheme colorScheme = ColorScheme.light(); |
| final ThemeData theme = ThemeData.from(colorScheme: colorScheme); |
| |
| // Enabled FilledButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Center( |
| child: FilledButton.tonal( |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder buttonMaterial = find.descendant( |
| of: find.byType(FilledButton), |
| matching: find.byType(Material), |
| ); |
| |
| Material material = tester.widget<Material>(buttonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, colorScheme.secondaryContainer); |
| expect(material.elevation, 0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, const StadiumBorder()); |
| expect(material.textStyle!.color, colorScheme.onSecondaryContainer); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| |
| final Align align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align))); |
| expect(align.alignment, Alignment.center); |
| |
| final Offset center = tester.getCenter(find.byType(FilledButton)); |
| await tester.startGesture(center); |
| await tester.pump(); // start the splash animation |
| await tester.pump(const Duration(milliseconds: 100)); // splash is underway |
| |
| // Enabled FilledButton.tonalIcon |
| final Key iconButtonKey = UniqueKey(); |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Center( |
| child: FilledButton.tonalIcon( |
| key: iconButtonKey, |
| onPressed: () { }, |
| icon: const Icon(Icons.add), |
| label: const Text('label'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder iconButtonMaterial = find.descendant( |
| of: find.byKey(iconButtonKey), |
| matching: find.byType(Material), |
| ); |
| |
| material = tester.widget<Material>(iconButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, colorScheme.secondaryContainer); |
| expect(material.elevation, 0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, const StadiumBorder()); |
| expect(material.textStyle!.color, colorScheme.onSecondaryContainer); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| |
| // Disabled FilledButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: const Center( |
| child: FilledButton.tonal( |
| onPressed: null, |
| child: Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| // Finish the elevation animation, final background color change. |
| await tester.pumpAndSettle(); |
| |
| material = tester.widget<Material>(buttonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, colorScheme.onSurface.withOpacity(0.12)); |
| expect(material.elevation, 0.0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, const StadiumBorder()); |
| expect(material.textStyle!.color, colorScheme.onSurface.withOpacity(0.38)); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| }); |
| |
| testWidgets('Default FilledButton meets a11y contrast guidelines', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: const ColorScheme.light()), |
| home: Scaffold( |
| body: Center( |
| child: FilledButton( |
| onPressed: () { }, |
| focusNode: focusNode, |
| child: const Text('FilledButton'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Default, not disabled. |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byType(FilledButton)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| }, |
| skip: isBrowser, // https://github.com/flutter/flutter/issues/44115 |
| ); |
| |
| |
| testWidgets('FilledButton uses stateful color for text color in different states', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| |
| const Color pressedColor = Color(0x00000001); |
| const Color hoverColor = Color(0x00000002); |
| const Color focusedColor = Color(0x00000003); |
| const Color defaultColor = Color(0x00000004); |
| |
| Color getTextColor(Set<MaterialState> states) { |
| if (states.contains(MaterialState.pressed)) { |
| return pressedColor; |
| } |
| if (states.contains(MaterialState.hovered)) { |
| return hoverColor; |
| } |
| if (states.contains(MaterialState.focused)) { |
| return focusedColor; |
| } |
| return defaultColor; |
| } |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: FilledButtonTheme( |
| data: FilledButtonThemeData( |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getTextColor), |
| ), |
| ), |
| child: Builder( |
| builder: (BuildContext context) { |
| return FilledButton( |
| onPressed: () {}, |
| focusNode: focusNode, |
| child: const Text('FilledButton'), |
| ); |
| }, |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| Color textColor() { |
| return tester.renderObject<RenderParagraph>(find.text('FilledButton')).text.style!.color!; |
| } |
| |
| // Default, not disabled. |
| expect(textColor(), equals(defaultColor)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| expect(textColor(), focusedColor); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byType(FilledButton)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(textColor(), hoverColor); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pump(); // Start the splash and highlight animations. |
| await tester.pump(const Duration(milliseconds: 800)); // Wait for splash and highlight to be well under way. |
| expect(textColor(), pressedColor); |
| }); |
| |
| |
| testWidgets('FilledButton uses stateful color for icon color in different states', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| final Key buttonKey = UniqueKey(); |
| |
| const Color pressedColor = Color(0x00000001); |
| const Color hoverColor = Color(0x00000002); |
| const Color focusedColor = Color(0x00000003); |
| const Color defaultColor = Color(0x00000004); |
| |
| Color getTextColor(Set<MaterialState> states) { |
| if (states.contains(MaterialState.pressed)) { |
| return pressedColor; |
| } |
| if (states.contains(MaterialState.hovered)) { |
| return hoverColor; |
| } |
| if (states.contains(MaterialState.focused)) { |
| return focusedColor; |
| } |
| return defaultColor; |
| } |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: FilledButtonTheme( |
| data: FilledButtonThemeData( |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getTextColor), |
| ), |
| ), |
| child: Builder( |
| builder: (BuildContext context) { |
| return FilledButton.icon( |
| key: buttonKey, |
| icon: const Icon(Icons.add), |
| label: const Text('FilledButton'), |
| onPressed: () {}, |
| focusNode: focusNode, |
| ); |
| }, |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| Color iconColor() => _iconStyle(tester, Icons.add).color!; |
| // Default, not disabled. |
| expect(iconColor(), equals(defaultColor)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| expect(iconColor(), focusedColor); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byKey(buttonKey)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(iconColor(), hoverColor); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pump(); // Start the splash and highlight animations. |
| await tester.pump(const Duration(milliseconds: 800)); // Wait for splash and highlight to be well under way. |
| expect(iconColor(), pressedColor); |
| }); |
| |
| testWidgets('FilledButton onPressed and onLongPress callbacks are correctly called when non-null', (WidgetTester tester) async { |
| bool wasPressed; |
| Finder filledButton; |
| |
| Widget buildFrame({ VoidCallback? onPressed, VoidCallback? onLongPress }) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| onPressed: onPressed, |
| onLongPress: onLongPress, |
| child: const Text('button'), |
| ), |
| ); |
| } |
| |
| // onPressed not null, onLongPress null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onPressed: () { wasPressed = true; }), |
| ); |
| filledButton = find.byType(FilledButton); |
| expect(tester.widget<FilledButton>(filledButton).enabled, true); |
| await tester.tap(filledButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress not null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onLongPress: () { wasPressed = true; }), |
| ); |
| filledButton = find.byType(FilledButton); |
| expect(tester.widget<FilledButton>(filledButton).enabled, true); |
| await tester.longPress(filledButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress null. |
| await tester.pumpWidget( |
| buildFrame(), |
| ); |
| filledButton = find.byType(FilledButton); |
| expect(tester.widget<FilledButton>(filledButton).enabled, false); |
| }); |
| |
| testWidgets('FilledButton onPressed and onLongPress callbacks are distinctly recognized', (WidgetTester tester) async { |
| bool didPressButton = false; |
| bool didLongPressButton = false; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| onPressed: () { |
| didPressButton = true; |
| }, |
| onLongPress: () { |
| didLongPressButton = true; |
| }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final Finder filledButton = find.byType(FilledButton); |
| expect(tester.widget<FilledButton>(filledButton).enabled, true); |
| |
| expect(didPressButton, isFalse); |
| await tester.tap(filledButton); |
| expect(didPressButton, isTrue); |
| |
| expect(didLongPressButton, isFalse); |
| await tester.longPress(filledButton); |
| expect(didLongPressButton, isTrue); |
| }); |
| |
| testWidgets("FilledButton response doesn't hover when disabled", (WidgetTester tester) async { |
| FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTouch; |
| final FocusNode focusNode = FocusNode(debugLabel: 'FilledButton Focus'); |
| final GlobalKey childKey = GlobalKey(); |
| bool hovering = false; |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: SizedBox( |
| width: 100, |
| height: 100, |
| child: FilledButton( |
| autofocus: true, |
| onPressed: () {}, |
| onLongPress: () {}, |
| onHover: (bool value) { hovering = value; }, |
| focusNode: focusNode, |
| child: SizedBox(key: childKey), |
| ), |
| ), |
| ), |
| ); |
| await tester.pumpAndSettle(); |
| expect(focusNode.hasPrimaryFocus, isTrue); |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); |
| await gesture.addPointer(); |
| await gesture.moveTo(tester.getCenter(find.byKey(childKey))); |
| await tester.pumpAndSettle(); |
| expect(hovering, isTrue); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: SizedBox( |
| width: 100, |
| height: 100, |
| child: FilledButton( |
| focusNode: focusNode, |
| onHover: (bool value) { hovering = value; }, |
| onPressed: null, |
| child: SizedBox(key: childKey), |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.pumpAndSettle(); |
| expect(focusNode.hasPrimaryFocus, isFalse); |
| }); |
| |
| testWidgets('disabled and hovered FilledButton responds to mouse-exit', (WidgetTester tester) async { |
| int onHoverCount = 0; |
| late bool hover; |
| |
| Widget buildFrame({ required bool enabled }) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: SizedBox( |
| width: 100, |
| height: 100, |
| child: FilledButton( |
| onPressed: enabled ? () { } : null, |
| onHover: (bool value) { |
| onHoverCount += 1; |
| hover = value; |
| }, |
| child: const Text('FilledButton'), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(buildFrame(enabled: true)); |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); |
| await gesture.addPointer(); |
| |
| await gesture.moveTo(tester.getCenter(find.byType(FilledButton))); |
| await tester.pumpAndSettle(); |
| expect(onHoverCount, 1); |
| expect(hover, true); |
| |
| await tester.pumpWidget(buildFrame(enabled: false)); |
| await tester.pumpAndSettle(); |
| await gesture.moveTo(Offset.zero); |
| // Even though the FilledButton has been disabled, the mouse-exit still |
| // causes onHover(false) to be called. |
| expect(onHoverCount, 2); |
| expect(hover, false); |
| |
| await gesture.moveTo(tester.getCenter(find.byType(FilledButton))); |
| await tester.pumpAndSettle(); |
| // We no longer see hover events because the FilledButton is disabled |
| // and it's no longer in the "hovering" state. |
| expect(onHoverCount, 2); |
| expect(hover, false); |
| |
| await tester.pumpWidget(buildFrame(enabled: true)); |
| await tester.pumpAndSettle(); |
| // The FilledButton was enabled while it contained the mouse, however |
| // we do not call onHover() because it may call setState(). |
| expect(onHoverCount, 2); |
| expect(hover, false); |
| |
| await gesture.moveTo(tester.getCenter(find.byType(FilledButton)) - const Offset(1, 1)); |
| await tester.pumpAndSettle(); |
| // Moving the mouse a little within the FilledButton doesn't change anything. |
| expect(onHoverCount, 2); |
| expect(hover, false); |
| }); |
| |
| testWidgets('Can set FilledButton focus and Can set unFocus.', (WidgetTester tester) async { |
| final FocusNode node = FocusNode(debugLabel: 'FilledButton Focus'); |
| bool gotFocus = false; |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| focusNode: node, |
| onFocusChange: (bool focused) => gotFocus = focused, |
| onPressed: () { }, |
| child: const SizedBox(), |
| ), |
| ), |
| ); |
| |
| node.requestFocus(); |
| |
| await tester.pump(); |
| |
| expect(gotFocus, isTrue); |
| expect(node.hasFocus, isTrue); |
| |
| node.unfocus(); |
| await tester.pump(); |
| |
| expect(gotFocus, isFalse); |
| expect(node.hasFocus, isFalse); |
| }); |
| |
| testWidgets('When FilledButton disable, Can not set FilledButton focus.', (WidgetTester tester) async { |
| final FocusNode node = FocusNode(debugLabel: 'FilledButton Focus'); |
| bool gotFocus = false; |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| focusNode: node, |
| onFocusChange: (bool focused) => gotFocus = focused, |
| onPressed: null, |
| child: const SizedBox(), |
| ), |
| ), |
| ); |
| |
| node.requestFocus(); |
| |
| await tester.pump(); |
| |
| expect(gotFocus, isFalse); |
| expect(node.hasFocus, isFalse); |
| }); |
| |
| testWidgets('Does FilledButton work with hover', (WidgetTester tester) async { |
| const Color hoverColor = Color(0xff001122); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>((Set<MaterialState> states) { |
| return states.contains(MaterialState.hovered) ? hoverColor : null; |
| }), |
| ), |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); |
| await gesture.addPointer(); |
| await gesture.moveTo(tester.getCenter(find.byType(FilledButton))); |
| await tester.pumpAndSettle(); |
| |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: hoverColor)); |
| }); |
| |
| testWidgets('Does FilledButton work with focus', (WidgetTester tester) async { |
| const Color focusColor = Color(0xff001122); |
| |
| final FocusNode focusNode = FocusNode(debugLabel: 'FilledButton Node'); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>((Set<MaterialState> states) { |
| return states.contains(MaterialState.focused) ? focusColor : null; |
| }), |
| ), |
| focusNode: focusNode, |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: focusColor)); |
| }); |
| |
| testWidgets('Does FilledButton work with autofocus', (WidgetTester tester) async { |
| const Color focusColor = Color(0xff001122); |
| |
| Color? getOverlayColor(Set<MaterialState> states) { |
| return states.contains(MaterialState.focused) ? focusColor : null; |
| } |
| |
| final FocusNode focusNode = FocusNode(debugLabel: 'FilledButton Node'); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| autofocus: true, |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>(getOverlayColor), |
| ), |
| focusNode: focusNode, |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; |
| await tester.pumpAndSettle(); |
| |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: focusColor)); |
| }); |
| |
| testWidgets('Does FilledButton contribute semantics', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: FilledButton( |
| style: const ButtonStyle( |
| // Specifying minimumSize to mimic the original minimumSize for |
| // RaisedButton so that the semantics tree's rect and transform |
| // match the original version of this test. |
| minimumSize: MaterialStatePropertyAll<Size>(Size(88, 36)), |
| ), |
| onPressed: () { }, |
| child: const Text('ABC'), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics.rootChild( |
| actions: <SemanticsAction>[ |
| SemanticsAction.tap, |
| ], |
| label: 'ABC', |
| rect: const Rect.fromLTRB(0.0, 0.0, 88.0, 48.0), |
| transform: Matrix4.translationValues(356.0, 276.0, 0.0), |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.isButton, |
| SemanticsFlag.isEnabled, |
| SemanticsFlag.isFocusable, |
| ], |
| ), |
| ], |
| ), |
| ignoreId: true, |
| )); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('FilledButton size is configurable by ThemeData.materialTapTargetSize', (WidgetTester tester) async { |
| const ButtonStyle style = ButtonStyle( |
| // Specifying minimumSize to mimic the original minimumSize for |
| // RaisedButton so that the corresponding button size matches |
| // the original version of this test. |
| minimumSize: MaterialStatePropertyAll<Size>(Size(88, 36)), |
| ); |
| |
| Widget buildFrame(MaterialTapTargetSize tapTargetSize, Key key) { |
| return Theme( |
| data: ThemeData(materialTapTargetSize: tapTargetSize), |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: FilledButton( |
| key: key, |
| style: style, |
| child: const SizedBox(width: 50.0, height: 8.0), |
| onPressed: () { }, |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| final Key key1 = UniqueKey(); |
| await tester.pumpWidget(buildFrame(MaterialTapTargetSize.padded, key1)); |
| expect(tester.getSize(find.byKey(key1)), const Size(88.0, 48.0)); |
| |
| final Key key2 = UniqueKey(); |
| await tester.pumpWidget(buildFrame(MaterialTapTargetSize.shrinkWrap, key2)); |
| expect(tester.getSize(find.byKey(key2)), const Size(88.0, 36.0)); |
| }); |
| |
| testWidgets('FilledButton has no clip by default', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: FilledButton( |
| onPressed: () { /* to make sure the button is enabled */ }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| expect( |
| tester.renderObject(find.byType(FilledButton)), |
| paintsExactlyCountTimes(#clipPath, 0), |
| ); |
| }); |
| |
| testWidgets('FilledButton responds to density changes.', (WidgetTester tester) async { |
| const Key key = Key('test'); |
| const Key childKey = Key('test child'); |
| |
| Future<void> buildTest(VisualDensity visualDensity, {bool useText = false}) async { |
| return tester.pumpWidget( |
| MaterialApp( |
| // Test was setup using fonts from Material 2, so make sure we always |
| // test against englishLike2014. |
| theme: ThemeData(textTheme: Typography.englishLike2014), |
| home: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Center( |
| child: FilledButton( |
| style: ButtonStyle( |
| visualDensity: visualDensity, |
| // Specifying minimumSize to mimic the original minimumSize for |
| // RaisedButton so that the corresponding button size matches |
| // the original version of this test. |
| minimumSize: const MaterialStatePropertyAll<Size>(Size(88, 36)), |
| ), |
| key: key, |
| onPressed: () {}, |
| child: useText |
| ? const Text('Text', key: childKey) |
| : Container(key: childKey, width: 100, height: 100, color: const Color(0xffff0000)), |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| await buildTest(VisualDensity.standard); |
| final RenderBox box = tester.renderObject(find.byKey(key)); |
| Rect childRect = tester.getRect(find.byKey(childKey)); |
| await tester.pumpAndSettle(); |
| expect(box.size, equals(const Size(132, 100))); |
| expect(childRect, equals(const Rect.fromLTRB(350, 250, 450, 350))); |
| |
| await buildTest(const VisualDensity(horizontal: 3.0, vertical: 3.0)); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(156, 124))); |
| expect(childRect, equals(const Rect.fromLTRB(350, 250, 450, 350))); |
| |
| await buildTest(const VisualDensity(horizontal: -3.0, vertical: -3.0)); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(132, 100))); |
| expect(childRect, equals(const Rect.fromLTRB(350, 250, 450, 350))); |
| |
| await buildTest(VisualDensity.standard, useText: true); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(88, 48))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| |
| await buildTest(const VisualDensity(horizontal: 3.0, vertical: 3.0), useText: true); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(112, 60))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| |
| await buildTest(const VisualDensity(horizontal: -3.0, vertical: -3.0), useText: true); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(88, 36))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| }); |
| |
| testWidgets('FilledButton.icon responds to applied padding', (WidgetTester tester) async { |
| const Key buttonKey = Key('test'); |
| const Key labelKey = Key('label'); |
| await tester.pumpWidget( |
| // When textDirection is set to TextDirection.ltr, the label appears on the |
| // right side of the icon. This is important in determining whether the |
| // horizontal padding is applied correctly later on |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: FilledButton.icon( |
| key: buttonKey, |
| style: const ButtonStyle( |
| padding: MaterialStatePropertyAll<EdgeInsets>(EdgeInsets.fromLTRB(16, 5, 10, 12)), |
| ), |
| onPressed: () {}, |
| icon: const Icon(Icons.add), |
| label: const Text( |
| 'Hello', |
| key: labelKey, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| final Rect paddingRect = tester.getRect(find.byType(Padding)); |
| final Rect labelRect = tester.getRect(find.byKey(labelKey)); |
| final Rect iconRect = tester.getRect(find.byType(Icon)); |
| |
| // The right padding should be applied on the right of the label, whereas the |
| // left padding should be applied on the left side of the icon. |
| expect(paddingRect.right, labelRect.right + 10); |
| expect(paddingRect.left, iconRect.left - 16); |
| // Use the taller widget to check the top and bottom padding. |
| final Rect tallerWidget = iconRect.height > labelRect.height ? iconRect : labelRect; |
| expect(paddingRect.top, tallerWidget.top - 5); |
| expect(paddingRect.bottom, tallerWidget.bottom + 12); |
| }); |
| |
| group('Default FilledButton padding for textScaleFactor, textDirection', () { |
| const ValueKey<String> buttonKey = ValueKey<String>('button'); |
| const ValueKey<String> labelKey = ValueKey<String>('label'); |
| const ValueKey<String> iconKey = ValueKey<String>('icon'); |
| |
| const List<double> textScaleFactorOptions = <double>[0.5, 1.0, 1.25, 1.5, 2.0, 2.5, 3.0, 4.0]; |
| const List<TextDirection> textDirectionOptions = <TextDirection>[TextDirection.ltr, TextDirection.rtl]; |
| const List<Widget?> iconOptions = <Widget?>[null, Icon(Icons.add, size: 18, key: iconKey)]; |
| |
| // Expected values for each textScaleFactor. |
| final Map<double, double> paddingWithoutIconStart = <double, double>{ |
| 0.5: 16, |
| 1: 16, |
| 1.25: 14, |
| 1.5: 12, |
| 2: 8, |
| 2.5: 6, |
| 3: 4, |
| 4: 4, |
| }; |
| final Map<double, double> paddingWithoutIconEnd = <double, double>{ |
| 0.5: 16, |
| 1: 16, |
| 1.25: 14, |
| 1.5: 12, |
| 2: 8, |
| 2.5: 6, |
| 3: 4, |
| 4: 4, |
| }; |
| final Map<double, double> paddingWithIconStart = <double, double>{ |
| 0.5: 12, |
| 1: 12, |
| 1.25: 11, |
| 1.5: 10, |
| 2: 8, |
| 2.5: 8, |
| 3: 8, |
| 4: 8, |
| }; |
| final Map<double, double> paddingWithIconEnd = <double, double>{ |
| 0.5: 16, |
| 1: 16, |
| 1.25: 14, |
| 1.5: 12, |
| 2: 8, |
| 2.5: 6, |
| 3: 4, |
| 4: 4, |
| }; |
| final Map<double, double> paddingWithIconGap = <double, double>{ |
| 0.5: 8, |
| 1: 8, |
| 1.25: 7, |
| 1.5: 6, |
| 2: 4, |
| 2.5: 4, |
| 3: 4, |
| 4: 4, |
| }; |
| |
| Rect globalBounds(RenderBox renderBox) { |
| final Offset topLeft = renderBox.localToGlobal(Offset.zero); |
| return topLeft & renderBox.size; |
| } |
| |
| /// Computes the padding between two [Rect]s, one inside the other. |
| EdgeInsets paddingBetween({ required Rect parent, required Rect child }) { |
| assert (parent.intersect(child) == child); |
| return EdgeInsets.fromLTRB( |
| child.left - parent.left, |
| child.top - parent.top, |
| parent.right - child.right, |
| parent.bottom - child.bottom, |
| ); |
| } |
| |
| for (final double textScaleFactor in textScaleFactorOptions) { |
| for (final TextDirection textDirection in textDirectionOptions) { |
| for (final Widget? icon in iconOptions) { |
| final String testName = <String>[ |
| 'FilledButton, text scale $textScaleFactor', |
| if (icon != null) |
| 'with icon', |
| if (textDirection == TextDirection.rtl) |
| 'RTL', |
| ].join(', '); |
| testWidgets(testName, (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData( |
| colorScheme: const ColorScheme.light(), |
| // Force Material 2 defaults for the typography and size |
| // default values as the test was designed against these settings. |
| textTheme: Typography.englishLike2014, |
| filledButtonTheme: FilledButtonThemeData( |
| style: FilledButton.styleFrom(minimumSize: const Size(64, 36)), |
| ), |
| ), |
| home: Builder( |
| builder: (BuildContext context) { |
| return MediaQuery( |
| data: MediaQuery.of(context).copyWith( |
| textScaleFactor: textScaleFactor, |
| ), |
| child: Directionality( |
| textDirection: textDirection, |
| child: Scaffold( |
| body: Center( |
| child: icon == null |
| ? FilledButton( |
| key: buttonKey, |
| onPressed: () {}, |
| child: const Text('button', key: labelKey), |
| ) |
| : FilledButton.icon( |
| key: buttonKey, |
| onPressed: () {}, |
| icon: icon, |
| label: const Text('button', key: labelKey), |
| ), |
| ), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| final Element paddingElement = tester.element( |
| find.descendant( |
| of: find.byKey(buttonKey), |
| matching: find.byType(Padding), |
| ), |
| ); |
| expect(Directionality.of(paddingElement), textDirection); |
| final Padding paddingWidget = paddingElement.widget as Padding; |
| |
| // Compute expected padding, and check. |
| |
| final double expectedStart = icon != null |
| ? paddingWithIconStart[textScaleFactor]! |
| : paddingWithoutIconStart[textScaleFactor]!; |
| final double expectedEnd = icon != null |
| ? paddingWithIconEnd[textScaleFactor]! |
| : paddingWithoutIconEnd[textScaleFactor]!; |
| final EdgeInsets expectedPadding = EdgeInsetsDirectional.fromSTEB(expectedStart, 0, expectedEnd, 0) |
| .resolve(textDirection); |
| |
| expect(paddingWidget.padding.resolve(textDirection), expectedPadding); |
| |
| // Measure padding in terms of the difference between the button and its label child |
| // and check that. |
| |
| final RenderBox labelRenderBox = tester.renderObject<RenderBox>(find.byKey(labelKey)); |
| final Rect labelBounds = globalBounds(labelRenderBox); |
| final RenderBox? iconRenderBox = icon == null ? null : tester.renderObject<RenderBox>(find.byKey(iconKey)); |
| final Rect? iconBounds = icon == null ? null : globalBounds(iconRenderBox!); |
| final Rect childBounds = icon == null ? labelBounds : labelBounds.expandToInclude(iconBounds!); |
| |
| // We measure the `InkResponse` descendant of the button |
| // element, because the button has a larger `RenderBox` |
| // which accommodates the minimum tap target with a height |
| // of 48. |
| final RenderBox buttonRenderBox = tester.renderObject<RenderBox>( |
| find.descendant( |
| of: find.byKey(buttonKey), |
| matching: find.byWidgetPredicate( |
| (Widget widget) => widget is InkResponse, |
| ), |
| ), |
| ); |
| final Rect buttonBounds = globalBounds(buttonRenderBox); |
| final EdgeInsets visuallyMeasuredPadding = paddingBetween( |
| parent: buttonBounds, |
| child: childBounds, |
| ); |
| |
| // Since there is a requirement of a minimum width of 64 |
| // and a minimum height of 36 on material buttons, the visual |
| // padding of smaller buttons may not match their settings. |
| // Therefore, we only test buttons that are large enough. |
| if (buttonBounds.width > 64) { |
| expect( |
| visuallyMeasuredPadding.left, |
| expectedPadding.left, |
| ); |
| expect( |
| visuallyMeasuredPadding.right, |
| expectedPadding.right, |
| ); |
| } |
| |
| if (buttonBounds.height > 36) { |
| expect( |
| visuallyMeasuredPadding.top, |
| expectedPadding.top, |
| ); |
| expect( |
| visuallyMeasuredPadding.bottom, |
| expectedPadding.bottom, |
| ); |
| } |
| |
| // Check the gap between the icon and the label |
| if (icon != null) { |
| final double gapWidth = textDirection == TextDirection.ltr |
| ? labelBounds.left - iconBounds!.right |
| : iconBounds!.left - labelBounds.right; |
| expect(gapWidth, paddingWithIconGap[textScaleFactor]); |
| } |
| |
| // Check the text's height - should be consistent with the textScaleFactor. |
| final RenderBox textRenderObject = tester.renderObject<RenderBox>( |
| find.descendant( |
| of: find.byKey(labelKey), |
| matching: find.byElementPredicate( |
| (Element element) => element.widget is RichText, |
| ), |
| ), |
| ); |
| final double textHeight = textRenderObject.paintBounds.size.height; |
| final double expectedTextHeight = 14 * textScaleFactor; |
| expect(textHeight, moreOrLessEquals(expectedTextHeight, epsilon: 0.5)); |
| }); |
| } |
| } |
| } |
| }); |
| |
| testWidgets('Override FilledButton default padding', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: const ColorScheme.light()), |
| home: Builder( |
| builder: (BuildContext context) { |
| return MediaQuery( |
| data: MediaQuery.of(context).copyWith( |
| textScaleFactor: 2, |
| ), |
| child: Scaffold( |
| body: Center( |
| child: FilledButton( |
| style: FilledButton.styleFrom(padding: const EdgeInsets.all(22)), |
| onPressed: () {}, |
| child: const Text('FilledButton'), |
| ), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| final Padding paddingWidget = tester.widget<Padding>( |
| find.descendant( |
| of: find.byType(FilledButton), |
| matching: find.byType(Padding), |
| ), |
| ); |
| expect(paddingWidget.padding, const EdgeInsets.all(22)); |
| }); |
| |
| testWidgets('By default, FilledButton shape outline is defined by shape.side', (WidgetTester tester) async { |
| const Color borderColor = Color(0xff4caf50); |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(colorScheme: const ColorScheme.light(), textTheme: Typography.englishLike2014), |
| home: Center( |
| child: FilledButton( |
| style: FilledButton.styleFrom( |
| shape: const RoundedRectangleBorder( |
| borderRadius: BorderRadius.all(Radius.circular(16)), |
| side: BorderSide(width: 10, color: borderColor), |
| ), |
| minimumSize: const Size(64, 36), |
| ), |
| onPressed: () {}, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(find.byType(FilledButton), paints ..drrect( |
| // Outer and inner rect that give the outline a width of 10. |
| outer: RRect.fromLTRBR(0.0, 0.0, 116.0, 36.0, const Radius.circular(16)), |
| inner: RRect.fromLTRBR(10.0, 10.0, 106.0, 26.0, const Radius.circular(16 - 10)), |
| color: borderColor) |
| ); |
| }); |
| |
| testWidgets('Fixed size FilledButtons', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Column( |
| mainAxisSize: MainAxisSize.min, |
| children: <Widget>[ |
| FilledButton( |
| style: FilledButton.styleFrom(fixedSize: const Size(100, 100)), |
| onPressed: () {}, |
| child: const Text('100x100'), |
| ), |
| FilledButton( |
| style: FilledButton.styleFrom(fixedSize: const Size.fromWidth(200)), |
| onPressed: () {}, |
| child: const Text('200xh'), |
| ), |
| FilledButton( |
| style: FilledButton.styleFrom(fixedSize: const Size.fromHeight(200)), |
| onPressed: () {}, |
| child: const Text('wx200'), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.widgetWithText(FilledButton, '100x100')), const Size(100, 100)); |
| expect(tester.getSize(find.widgetWithText(FilledButton, '200xh')).width, 200); |
| expect(tester.getSize(find.widgetWithText(FilledButton, 'wx200')).height, 200); |
| }); |
| |
| testWidgets('FilledButton with NoSplash splashFactory paints nothing', (WidgetTester tester) async { |
| Widget buildFrame({ InteractiveInkFeatureFactory? splashFactory }) { |
| return MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: FilledButton( |
| style: FilledButton.styleFrom( |
| splashFactory: splashFactory, |
| ), |
| onPressed: () { }, |
| child: const Text('test'), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| // NoSplash.splashFactory, no splash circles drawn |
| await tester.pumpWidget(buildFrame(splashFactory: NoSplash.splashFactory)); |
| { |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('test'))); |
| final MaterialInkController material = Material.of(tester.element(find.text('test'))); |
| await tester.pump(const Duration(milliseconds: 200)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 0)); |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| } |
| |
| // InkRipple.splashFactory, one splash circle drawn. |
| await tester.pumpWidget(buildFrame(splashFactory: InkRipple.splashFactory)); |
| { |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('test'))); |
| final MaterialInkController material = Material.of(tester.element(find.text('test'))); |
| await tester.pump(const Duration(milliseconds: 200)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 1)); |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| } |
| }); |
| |
| testWidgets('FilledButton uses InkSparkle only for Android non-web when useMaterial3 is true', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData(useMaterial3: true); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Center( |
| child: FilledButton( |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| final InkWell buttonInkWell = tester.widget<InkWell>(find.descendant( |
| of: find.byType(FilledButton), |
| matching: find.byType(InkWell), |
| )); |
| |
| if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) { |
| expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory)); |
| } else { |
| expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory)); |
| } |
| }, variant: TargetPlatformVariant.all()); |
| |
| testWidgets('FilledButton.icon does not overflow', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/77815 |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: SizedBox( |
| width: 200, |
| child: FilledButton.icon( |
| onPressed: () {}, |
| icon: const Icon(Icons.add), |
| label: const Text( // Much wider than 200 |
| 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut a euismod nibh. Morbi laoreet purus.', |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| expect(tester.takeException(), null); |
| }); |
| |
| testWidgets('FilledButton.icon icon,label layout', (WidgetTester tester) async { |
| final Key buttonKey = UniqueKey(); |
| final Key iconKey = UniqueKey(); |
| final Key labelKey = UniqueKey(); |
| final ButtonStyle style = FilledButton.styleFrom( |
| padding: EdgeInsets.zero, |
| visualDensity: VisualDensity.standard, // dx=0, dy=0 |
| ); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: SizedBox( |
| width: 200, |
| child: FilledButton.icon( |
| key: buttonKey, |
| style: style, |
| onPressed: () {}, |
| icon: SizedBox(key: iconKey, width: 50, height: 100), |
| label: SizedBox(key: labelKey, width: 50, height: 100), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // The button's label and icon are separated by a gap of 8: |
| // 46 [icon 50] 8 [label 50] 46 |
| // The overall button width is 200. So: |
| // icon.x = 46 |
| // label.x = 46 + 50 + 8 = 104 |
| |
| expect(tester.getRect(find.byKey(buttonKey)), const Rect.fromLTRB(0.0, 0.0, 200.0, 100.0)); |
| expect(tester.getRect(find.byKey(iconKey)), const Rect.fromLTRB(46.0, 0.0, 96.0, 100.0)); |
| expect(tester.getRect(find.byKey(labelKey)), const Rect.fromLTRB(104.0, 0.0, 154.0, 100.0)); |
| }); |
| |
| testWidgets('FilledButton maximumSize', (WidgetTester tester) async { |
| final Key key0 = UniqueKey(); |
| final Key key1 = UniqueKey(); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(textTheme: Typography.englishLike2014), |
| home: Scaffold( |
| body: Center( |
| child: Column( |
| mainAxisSize: MainAxisSize.min, |
| children: <Widget>[ |
| FilledButton( |
| key: key0, |
| style: TextButton.styleFrom( |
| minimumSize: const Size(24, 36), |
| maximumSize: const Size.fromWidth(64), |
| ), |
| onPressed: () { }, |
| child: const Text('A B C D E F G H I J K L M N O P'), |
| ), |
| FilledButton.icon( |
| key: key1, |
| style: TextButton.styleFrom( |
| minimumSize: const Size(24, 36), |
| maximumSize: const Size.fromWidth(104), |
| ), |
| onPressed: () {}, |
| icon: Container(color: Colors.red, width: 32, height: 32), |
| label: const Text('A B C D E F G H I J K L M N O P'), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.byKey(key0)), const Size(64.0, 224.0)); |
| expect(tester.getSize(find.byKey(key1)), const Size(104.0, 224.0)); |
| }); |
| |
| testWidgets('Fixed size FilledButton, same as minimumSize == maximumSize', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Column( |
| mainAxisSize: MainAxisSize.min, |
| children: <Widget>[ |
| FilledButton( |
| style: FilledButton.styleFrom(fixedSize: const Size(200, 200)), |
| onPressed: () { }, |
| child: const Text('200x200'), |
| ), |
| FilledButton( |
| style: FilledButton.styleFrom( |
| minimumSize: const Size(200, 200), |
| maximumSize: const Size(200, 200), |
| ), |
| onPressed: () { }, |
| child: const Text('200,200'), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.widgetWithText(FilledButton, '200x200')), const Size(200, 200)); |
| expect(tester.getSize(find.widgetWithText(FilledButton, '200,200')), const Size(200, 200)); |
| }); |
| |
| testWidgets('FilledButton changes mouse cursor when hovered', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MouseRegion( |
| cursor: SystemMouseCursors.forbidden, |
| child: FilledButton( |
| style: FilledButton.styleFrom( |
| enabledMouseCursor: SystemMouseCursors.text, |
| disabledMouseCursor: SystemMouseCursors.grab, |
| ), |
| onPressed: () {}, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1); |
| await gesture.addPointer(location: Offset.zero); |
| |
| await tester.pump(); |
| |
| expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text); |
| |
| // Test cursor when disabled |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MouseRegion( |
| cursor: SystemMouseCursors.forbidden, |
| child: FilledButton( |
| style: FilledButton.styleFrom( |
| enabledMouseCursor: SystemMouseCursors.text, |
| disabledMouseCursor: SystemMouseCursors.grab, |
| ), |
| onPressed: null, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.grab); |
| |
| // Test default cursor |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MouseRegion( |
| cursor: SystemMouseCursors.forbidden, |
| child: FilledButton( |
| onPressed: () {}, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click); |
| |
| // Test default cursor when disabled |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: MouseRegion( |
| cursor: SystemMouseCursors.forbidden, |
| child: FilledButton( |
| onPressed: null, |
| child: Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic); |
| }); |
| |
| testWidgets('Ink Response shape matches Material shape', (WidgetTester tester) async { |
| Widget buildFrame({BorderSide? side}) { |
| return MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: FilledButton( |
| style: FilledButton.styleFrom( |
| side: side, |
| shape: const RoundedRectangleBorder( |
| side: BorderSide( |
| color: Color(0xff0000ff), |
| width: 0, |
| ), |
| ), |
| ), |
| onPressed: () { }, |
| child: const Text('FilledButton'), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| const BorderSide borderSide = BorderSide(width: 10, color: Color(0xff00ff00)); |
| await tester.pumpWidget(buildFrame(side: borderSide)); |
| expect( |
| tester.widget<InkWell>(find.byType(InkWell)).customBorder, |
| const RoundedRectangleBorder(side: borderSide), |
| ); |
| |
| await tester.pumpWidget(buildFrame()); |
| await tester.pumpAndSettle(); |
| expect( |
| tester.widget<InkWell>(find.byType(InkWell)).customBorder, |
| const RoundedRectangleBorder( |
| side: BorderSide( |
| color: Color(0xff0000ff), |
| width: 0.0, |
| ), |
| ), |
| ); |
| }); |
| |
| testWidgets('FilledButton.styleFrom can be used to set foreground and background colors', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: FilledButton( |
| style: FilledButton.styleFrom( |
| foregroundColor: Colors.white, |
| backgroundColor: Colors.purple, |
| ), |
| onPressed: () {}, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Material material = tester.widget<Material>(find.descendant( |
| of: find.byType(FilledButton), |
| matching: find.byType(Material), |
| )); |
| expect(material.color, Colors.purple); |
| expect(material.textStyle!.color, Colors.white); |
| }); |
| |
| Future<void> testStatesController(Widget? icon, WidgetTester tester) async { |
| int count = 0; |
| void valueChanged() { |
| count += 1; |
| } |
| final MaterialStatesController controller = MaterialStatesController(); |
| controller.addListener(valueChanged); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: icon == null |
| ? FilledButton( |
| statesController: controller, |
| onPressed: () { }, |
| child: const Text('button'), |
| ) |
| : FilledButton.icon( |
| statesController: controller, |
| onPressed: () { }, |
| icon: icon, |
| label: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(controller.value, <MaterialState>{}); |
| expect(count, 0); |
| |
| final Offset center = tester.getCenter(find.byType(Text)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| |
| expect(controller.value, <MaterialState>{MaterialState.hovered}); |
| expect(count, 1); |
| |
| await gesture.moveTo(Offset.zero); |
| await tester.pumpAndSettle(); |
| |
| expect(controller.value, <MaterialState>{}); |
| expect(count, 2); |
| |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| |
| expect(controller.value, <MaterialState>{MaterialState.hovered}); |
| expect(count, 3); |
| |
| await gesture.down(center); |
| await tester.pumpAndSettle(); |
| |
| expect(controller.value, <MaterialState>{MaterialState.hovered, MaterialState.pressed}); |
| expect(count, 4); |
| |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| |
| expect(controller.value, <MaterialState>{MaterialState.hovered}); |
| expect(count, 5); |
| |
| await gesture.moveTo(Offset.zero); |
| await tester.pumpAndSettle(); |
| |
| expect(controller.value, <MaterialState>{}); |
| expect(count, 6); |
| |
| await gesture.down(center); |
| await tester.pumpAndSettle(); |
| expect(controller.value, <MaterialState>{MaterialState.hovered, MaterialState.pressed}); |
| expect(count, 8); // adds hovered and pressed - two changes |
| |
| // If the button is rebuilt disabled, then the pressed state is |
| // removed. |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: icon == null |
| ? FilledButton( |
| statesController: controller, |
| onPressed: null, |
| child: const Text('button'), |
| ) |
| : FilledButton.icon( |
| statesController: controller, |
| onPressed: null, |
| icon: icon, |
| label: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| await tester.pumpAndSettle(); |
| expect(controller.value, <MaterialState>{MaterialState.hovered, MaterialState.disabled}); |
| expect(count, 10); // removes pressed and adds disabled - two changes |
| await gesture.moveTo(Offset.zero); |
| await tester.pumpAndSettle(); |
| expect(controller.value, <MaterialState>{MaterialState.disabled}); |
| expect(count, 11); |
| await gesture.removePointer(); |
| } |
| |
| testWidgets('FilledButton statesController', (WidgetTester tester) async { |
| testStatesController(null, tester); |
| }); |
| |
| testWidgets('FilledButton.icon statesController', (WidgetTester tester) async { |
| testStatesController(const Icon(Icons.add), tester); |
| }); |
| |
| testWidgets('Disabled FilledButton statesController', (WidgetTester tester) async { |
| int count = 0; |
| void valueChanged() { |
| count += 1; |
| } |
| final MaterialStatesController controller = MaterialStatesController(); |
| controller.addListener(valueChanged); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: FilledButton( |
| statesController: controller, |
| onPressed: null, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| expect(controller.value, <MaterialState>{MaterialState.disabled}); |
| expect(count, 1); |
| }); |
| |
| } |
| |
| 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!; |
| } |
