| // 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/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() { |
| setUp(() { |
| debugResetSemanticsIdCounter(); |
| }); |
| |
| testWidgets('MaterialButton defaults', (WidgetTester tester) async { |
| final Finder rawButtonMaterial = find.descendant( |
| of: find.byType(MaterialButton), |
| matching: find.byType(Material), |
| ); |
| |
| // Enabled MaterialButton |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| Material material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, null); |
| expect(material.elevation, 2.0); |
| expect(material.shadowColor, null); |
| expect(material.shape, const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.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.type, MaterialType.transparency); |
| |
| final Offset center = tester.getCenter(find.byType(MaterialButton)); |
| await tester.startGesture(center); |
| await tester.pumpAndSettle(); |
| |
| // Only elevation changes when enabled and pressed. |
| material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, null); |
| expect(material.elevation, 8.0); |
| expect(material.shadowColor, null); |
| expect(material.shape, const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.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.type, MaterialType.transparency); |
| |
| // Disabled MaterialButton |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| onPressed: null, |
| child: Text('button'), |
| ), |
| ), |
| ); |
| material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, null); |
| expect(material.elevation, 0.0); |
| expect(material.shadowColor, null); |
| expect(material.shape, const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.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.type, MaterialType.transparency); |
| }); |
| |
| testWidgets('Does MaterialButton work with hover', (WidgetTester tester) async { |
| const Color hoverColor = Color(0xff001122); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| hoverColor: hoverColor, |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); |
| await gesture.addPointer(); |
| await gesture.moveTo(tester.getCenter(find.byType(MaterialButton))); |
| await tester.pumpAndSettle(); |
| |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: hoverColor)); |
| }); |
| |
| testWidgets('Does MaterialButton work with focus', (WidgetTester tester) async { |
| const Color focusColor = Color(0xff001122); |
| |
| final FocusNode focusNode = FocusNode(debugLabel: 'MaterialButton Node'); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| focusColor: focusColor, |
| 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('MaterialButton elevation and colors have proper precedence', (WidgetTester tester) async { |
| const double elevation = 10.0; |
| const double focusElevation = 11.0; |
| const double hoverElevation = 12.0; |
| const double highlightElevation = 13.0; |
| const Color focusColor = Color(0xff001122); |
| const Color hoverColor = Color(0xff112233); |
| const Color highlightColor = Color(0xff223344); |
| |
| final Finder rawButtonMaterial = find.descendant( |
| of: find.byType(MaterialButton), |
| matching: find.byType(Material), |
| ); |
| |
| final FocusNode focusNode = FocusNode(debugLabel: 'MaterialButton Node'); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| focusColor: focusColor, |
| hoverColor: hoverColor, |
| highlightColor: highlightColor, |
| elevation: elevation, |
| focusElevation: focusElevation, |
| hoverElevation: hoverElevation, |
| highlightElevation: highlightElevation, |
| focusNode: focusNode, |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| await tester.pumpAndSettle(); |
| FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; |
| |
| // Base elevation |
| Material material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.elevation, equals(elevation)); |
| |
| // Focus elevation overrides base |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| material = tester.widget<Material>(rawButtonMaterial); |
| RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: focusColor)); |
| expect(focusNode.hasPrimaryFocus, isTrue); |
| expect(material.elevation, equals(focusElevation)); |
| |
| // Hover elevation overrides focus |
| TestGesture? gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); |
| await gesture.addPointer(); |
| addTearDown(() => gesture?.removePointer()); |
| await gesture.moveTo(tester.getCenter(find.byType(MaterialButton))); |
| await tester.pumpAndSettle(); |
| material = tester.widget<Material>(rawButtonMaterial); |
| inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: focusColor)..rect(color: hoverColor)); |
| expect(material.elevation, equals(hoverElevation)); |
| await gesture.removePointer(); |
| gesture = null; |
| |
| // Highlight elevation overrides hover |
| final TestGesture gesture2 = await tester.startGesture(tester.getCenter(find.byType(MaterialButton))); |
| addTearDown(gesture2.removePointer); |
| await tester.pumpAndSettle(); |
| material = tester.widget<Material>(rawButtonMaterial); |
| inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: focusColor)..rect(color: highlightColor)); |
| expect(material.elevation, equals(highlightElevation)); |
| await gesture2.up(); |
| }); |
| |
| testWidgets("MaterialButton's disabledColor takes precedence over its default disabled color.", (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/30012. |
| |
| final Finder rawButtonMaterial = find.descendant( |
| of: find.byType(MaterialButton), |
| matching: find.byType(Material), |
| ); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| disabledColor: Color(0xff00ff00), |
| onPressed: null, |
| child: Text('button'), |
| ), |
| ), |
| ); |
| |
| final Material material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.color, const Color(0xff00ff00)); |
| }); |
| |
| testWidgets('Default MaterialButton meets a11y contrast guidelines', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: MaterialButton( |
| child: const Text('MaterialButton'), |
| onPressed: () { }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Default, not disabled. |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Highlighted (pressed). |
| final Offset center = tester.getCenter(find.byType(MaterialButton)); |
| await tester.startGesture(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. |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| }, |
| skip: isBrowser, // https://github.com/flutter/flutter/issues/44115 |
| ); |
| |
| testWidgets('MaterialButton gets focus when autofocus is set.', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(debugLabel: 'MaterialButton'); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: MaterialButton( |
| focusNode: focusNode, |
| onPressed: () {}, |
| child: Container(width: 100, height: 100, color: const Color(0xffff0000)), |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.pump(); |
| expect(focusNode.hasPrimaryFocus, isFalse); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Center( |
| child: MaterialButton( |
| autofocus: true, |
| focusNode: focusNode, |
| onPressed: () {}, |
| child: Container(width: 100, height: 100, color: const Color(0xffff0000)), |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.pump(); |
| expect(focusNode.hasPrimaryFocus, isTrue); |
| }); |
| |
| testWidgets('MaterialButton onPressed and onLongPress callbacks are correctly called when non-null', (WidgetTester tester) async { |
| |
| bool wasPressed; |
| Finder materialButton; |
| |
| Widget buildFrame({ VoidCallback? onPressed, VoidCallback? onLongPress }) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| onPressed: onPressed, |
| onLongPress: onLongPress, |
| child: const Text('button'), |
| ), |
| ); |
| } |
| |
| // onPressed not null, onLongPress null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onPressed: () { wasPressed = true; }), |
| ); |
| materialButton = find.byType(MaterialButton); |
| expect(tester.widget<MaterialButton>(materialButton).enabled, true); |
| await tester.tap(materialButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress not null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onLongPress: () { wasPressed = true; }), |
| ); |
| materialButton = find.byType(MaterialButton); |
| expect(tester.widget<MaterialButton>(materialButton).enabled, true); |
| await tester.longPress(materialButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress null. |
| await tester.pumpWidget( |
| buildFrame(), |
| ); |
| materialButton = find.byType(MaterialButton); |
| expect(tester.widget<MaterialButton>(materialButton).enabled, false); |
| }); |
| |
| testWidgets('MaterialButton onPressed and onLongPress callbacks are distinctly recognized', (WidgetTester tester) async { |
| bool didPressButton = false; |
| bool didLongPressButton = false; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| onPressed: () { |
| didPressButton = true; |
| }, |
| onLongPress: () { |
| didLongPressButton = true; |
| }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final Finder materialButton = find.byType(MaterialButton); |
| expect(tester.widget<MaterialButton>(materialButton).enabled, true); |
| |
| expect(didPressButton, isFalse); |
| await tester.tap(materialButton); |
| expect(didPressButton, isTrue); |
| |
| expect(didLongPressButton, isFalse); |
| await tester.longPress(materialButton); |
| expect(didLongPressButton, isTrue); |
| }); |
| |
| testWidgets('MaterialButton changes mouse cursor when hovered', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MouseRegion( |
| cursor: SystemMouseCursors.forbidden, |
| child: MaterialButton( |
| onPressed: () {}, |
| mouseCursor: SystemMouseCursors.text, |
| ), |
| ), |
| ), |
| ); |
| |
| 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 default cursor |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MouseRegion( |
| cursor: SystemMouseCursors.forbidden, |
| child: MaterialButton( |
| onPressed: () {}, |
| ), |
| ), |
| ), |
| ); |
| |
| 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: MaterialButton( |
| onPressed: null, |
| ), |
| ), |
| ), |
| ); |
| |
| expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic); |
| }); |
| |
| // This test is very similar to the '...explicit splashColor and highlightColor' test |
| // in icon_button_test.dart. If you change this one, you may want to also change that one. |
| testWidgets('MaterialButton with explicit splashColor and highlightColor', (WidgetTester tester) async { |
| const Color directSplashColor = Color(0xFF000011); |
| const Color directHighlightColor = Color(0xFF000011); |
| |
| Widget buttonWidget = Center( |
| child: MaterialButton( |
| splashColor: directSplashColor, |
| highlightColor: directHighlightColor, |
| onPressed: () { /* to make sure the button is enabled */ }, |
| clipBehavior: Clip.antiAlias, |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Theme( |
| data: ThemeData( |
| materialTapTargetSize: MaterialTapTargetSize.shrinkWrap, |
| ), |
| child: buttonWidget, |
| ), |
| ), |
| ); |
| |
| final Offset center = tester.getCenter(find.byType(MaterialButton)); |
| final TestGesture gesture = await tester.startGesture(center); |
| await tester.pump(); // start gesture |
| await tester.pump(const Duration(milliseconds: 200)); // wait for splash to be well under way |
| |
| // Painter is translated to the center by the Center widget and not |
| // the Material widget. |
| const Rect expectedClipRect = Rect.fromLTRB(0.0, 0.0, 88.0, 36.0); |
| final Path expectedClipPath = Path() |
| ..addRRect(RRect.fromRectAndRadius( |
| expectedClipRect, |
| const Radius.circular(2.0), |
| )); |
| expect( |
| Material.of(tester.element(find.byType(InkWell))), |
| paints |
| ..clipPath(pathMatcher: coversSameAreaAs( |
| expectedClipPath, |
| areaToCompare: expectedClipRect.inflate(10.0), |
| )) |
| ..circle(color: directSplashColor) |
| ..rect(color: directHighlightColor), |
| ); |
| |
| const Color themeSplashColor1 = Color(0xFF001100); |
| const Color themeHighlightColor1 = Color(0xFF001100); |
| |
| buttonWidget = Center( |
| child: MaterialButton( |
| onPressed: () { /* to make sure the button is enabled */ }, |
| clipBehavior: Clip.antiAlias, |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Theme( |
| data: ThemeData( |
| highlightColor: themeHighlightColor1, |
| splashColor: themeSplashColor1, |
| materialTapTargetSize: MaterialTapTargetSize.shrinkWrap, |
| ), |
| child: buttonWidget, |
| ), |
| ), |
| ); |
| |
| expect( |
| Material.of(tester.element(find.byType(InkWell))), |
| paints |
| ..clipPath(pathMatcher: coversSameAreaAs( |
| expectedClipPath, |
| areaToCompare: expectedClipRect.inflate(10.0), |
| )) |
| ..circle(color: themeSplashColor1) |
| ..rect(color: themeHighlightColor1), |
| ); |
| |
| const Color themeSplashColor2 = Color(0xFF002200); |
| const Color themeHighlightColor2 = Color(0xFF002200); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Theme( |
| data: ThemeData( |
| highlightColor: themeHighlightColor2, |
| splashColor: themeSplashColor2, |
| materialTapTargetSize: MaterialTapTargetSize.shrinkWrap, |
| ), |
| child: buttonWidget, // same widget, so does not get updated because of us |
| ), |
| ), |
| ); |
| |
| expect( |
| Material.of(tester.element(find.byType(InkWell))), |
| paints |
| ..circle(color: themeSplashColor2) |
| ..rect(color: themeHighlightColor2), |
| ); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('MaterialButton has no clip by default', (WidgetTester tester) async { |
| final GlobalKey buttonKey = GlobalKey(); |
| final Widget buttonWidget = Center( |
| child: MaterialButton( |
| key: buttonKey, |
| onPressed: () { /* to make sure the button is enabled */ }, |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Theme( |
| data: ThemeData( |
| materialTapTargetSize: MaterialTapTargetSize.shrinkWrap, |
| ), |
| child: buttonWidget, |
| ), |
| ), |
| ); |
| |
| expect( |
| tester.renderObject(find.byKey(buttonKey)), |
| paintsExactlyCountTimes(#clipPath, 0), |
| ); |
| }); |
| |
| testWidgets('Disabled MaterialButton has same semantic size as enabled and exposes disabled semantics', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| const Rect expectedButtonSize = Rect.fromLTRB(0.0, 0.0, 116.0, 48.0); |
| // Button is in center of screen |
| final Matrix4 expectedButtonTransform = Matrix4.identity() |
| ..translate( |
| TestSemantics.fullScreen.width / 2 - expectedButtonSize.width /2, |
| TestSemantics.fullScreen.height / 2 - expectedButtonSize.height /2, |
| ); |
| |
| // enabled button |
| await tester.pumpWidget(Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: MaterialButton( |
| child: const Text('Button'), |
| onPressed: () { /* to make sure the button is enabled */ }, |
| ), |
| ), |
| )); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics.rootChild( |
| id: 1, |
| rect: expectedButtonSize, |
| transform: expectedButtonTransform, |
| label: 'Button', |
| actions: <SemanticsAction>[ |
| SemanticsAction.tap, |
| ], |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.isButton, |
| SemanticsFlag.isEnabled, |
| SemanticsFlag.isFocusable, |
| ], |
| ), |
| ], |
| ), |
| )); |
| |
| // disabled button |
| await tester.pumpWidget(const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: MaterialButton( |
| onPressed: null, // button is disabled |
| child: Text('Button'), |
| ), |
| ), |
| )); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics.rootChild( |
| id: 1, |
| rect: expectedButtonSize, |
| transform: expectedButtonTransform, |
| label: 'Button', |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.isButton, |
| SemanticsFlag.isFocusable, |
| ], |
| ), |
| ], |
| ), |
| )); |
| |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('MaterialButton minWidth and height parameters', (WidgetTester tester) async { |
| Widget buildFrame({ double? minWidth, double? height, EdgeInsets padding = EdgeInsets.zero, Widget? child }) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: MaterialButton( |
| padding: padding, |
| minWidth: minWidth, |
| height: height, |
| onPressed: null, |
| materialTapTargetSize: MaterialTapTargetSize.shrinkWrap, |
| child: child, |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(buildFrame(minWidth: 8.0, height: 24.0)); |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(8.0, 24.0)); |
| |
| await tester.pumpWidget(buildFrame(minWidth: 8.0)); |
| // Default minHeight constraint is 36, see RawMaterialButton. |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(8.0, 36.0)); |
| |
| await tester.pumpWidget(buildFrame(height: 8.0)); |
| // Default minWidth constraint is 88, see RawMaterialButton. |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(88.0, 8.0)); |
| |
| await tester.pumpWidget(buildFrame()); |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(88.0, 36.0)); |
| |
| await tester.pumpWidget(buildFrame(padding: const EdgeInsets.all(4.0))); |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(88.0, 36.0)); |
| |
| // Size is defined by the padding. |
| await tester.pumpWidget( |
| buildFrame( |
| minWidth: 0.0, |
| height: 0.0, |
| padding: const EdgeInsets.all(4.0), |
| ), |
| ); |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(8.0, 8.0)); |
| |
| // Size is defined by the padded child. |
| await tester.pumpWidget( |
| buildFrame( |
| minWidth: 0.0, |
| height: 0.0, |
| padding: const EdgeInsets.all(4.0), |
| child: const SizedBox(width: 8.0, height: 8.0), |
| ), |
| ); |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(16.0, 16.0)); |
| |
| // Size is defined by the minWidth, height constraints. |
| await tester.pumpWidget( |
| buildFrame( |
| minWidth: 18.0, |
| height: 18.0, |
| padding: const EdgeInsets.all(4.0), |
| child: const SizedBox(width: 8.0, height: 8.0), |
| ), |
| ); |
| expect(tester.getSize(find.byType(MaterialButton)), const Size(18.0, 18.0)); |
| }); |
| |
| testWidgets('MaterialButton size is configurable by ThemeData.materialTapTargetSize', (WidgetTester tester) async { |
| final Key key1 = UniqueKey(); |
| await tester.pumpWidget( |
| Theme( |
| data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.padded), |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: MaterialButton( |
| key: key1, |
| child: const SizedBox(width: 50.0, height: 8.0), |
| onPressed: () { }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.byKey(key1)), const Size(88.0, 48.0)); |
| |
| final Key key2 = UniqueKey(); |
| await tester.pumpWidget( |
| Theme( |
| data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.shrinkWrap), |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: MaterialButton( |
| key: key2, |
| child: const SizedBox(width: 50.0, height: 8.0), |
| onPressed: () { }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.byKey(key2)), const Size(88.0, 36.0)); |
| }); |
| |
| testWidgets('MaterialButton shape overrides ButtonTheme shape', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/29146 |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| onPressed: () { }, |
| shape: const StadiumBorder(), |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final Finder rawButtonMaterial = find.descendant( |
| of: find.byType(MaterialButton), |
| matching: find.byType(Material), |
| ); |
| expect(tester.widget<Material>(rawButtonMaterial).shape, const StadiumBorder()); |
| }); |
| |
| testWidgets('MaterialButton 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( |
| home: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Center( |
| child: MaterialButton( |
| visualDensity: visualDensity, |
| 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(108, 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(76, 36))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| }); |
| |
| testWidgets('disabledElevation is passed to RawMaterialButton', (WidgetTester tester) async { |
| const double disabledElevation = 16; |
| |
| final Finder rawMaterialButtonFinder = find.descendant( |
| of: find.byType(MaterialButton), |
| matching: find.byType(RawMaterialButton), |
| ); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| disabledElevation: disabledElevation, |
| onPressed: null, // disabled button |
| child: Text('button'), |
| ), |
| ), |
| ); |
| |
| final RawMaterialButton rawMaterialButton = tester.widget(rawMaterialButtonFinder); |
| expect(rawMaterialButton.disabledElevation, equals(disabledElevation)); |
| }); |
| |
| testWidgets('MaterialButton.disabledElevation defaults to 0.0 when not provided', (WidgetTester tester) async { |
| final Finder rawMaterialButtonFinder = find.descendant( |
| of: find.byType(MaterialButton), |
| matching: find.byType(RawMaterialButton), |
| ); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: MaterialButton( |
| onPressed: null, // disabled button |
| child: Text('button'), |
| ), |
| ), |
| ); |
| |
| final RawMaterialButton rawMaterialButton = tester.widget(rawMaterialButtonFinder); |
| expect(rawMaterialButton.disabledElevation, equals(0.0)); |
| }); |
| } |
