| // 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 'dart:ui' show window; |
| |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:flutter/painting.dart'; |
| |
| import '../rendering/mock_canvas.dart'; |
| |
| void main() { |
| test('SliderThemeData copyWith, ==, hashCode basics', () { |
| expect(const SliderThemeData(), const SliderThemeData().copyWith()); |
| expect(const SliderThemeData().hashCode, const SliderThemeData().copyWith().hashCode); |
| }); |
| |
| testWidgets('Default SliderThemeData debugFillProperties', (WidgetTester tester) async { |
| final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder(); |
| const SliderThemeData().debugFillProperties(builder); |
| |
| final List<String> description = builder.properties |
| .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info)) |
| .map((DiagnosticsNode node) => node.toString()) |
| .toList(); |
| |
| expect(description, <String>[]); |
| }); |
| |
| |
| testWidgets('SliderThemeData implements debugFillProperties', (WidgetTester tester) async { |
| final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder(); |
| const SliderThemeData( |
| trackHeight: 7.0, |
| activeTrackColor: Color(0xFF000001), |
| inactiveTrackColor: Color(0xFF000002), |
| disabledActiveTrackColor: Color(0xFF000003), |
| disabledInactiveTrackColor: Color(0xFF000004), |
| activeTickMarkColor: Color(0xFF000005), |
| inactiveTickMarkColor: Color(0xFF000006), |
| disabledActiveTickMarkColor: Color(0xFF000007), |
| disabledInactiveTickMarkColor: Color(0xFF000008), |
| thumbColor: Color(0xFF000009), |
| overlappingShapeStrokeColor: Color(0xFF000010), |
| disabledThumbColor: Color(0xFF000011), |
| overlayColor: Color(0xFF000012), |
| valueIndicatorColor: Color(0xFF000013), |
| overlayShape: RoundSliderOverlayShape(), |
| tickMarkShape: RoundSliderTickMarkShape(), |
| thumbShape: RoundSliderThumbShape(), |
| trackShape: RoundedRectSliderTrackShape(), |
| valueIndicatorShape: PaddleSliderValueIndicatorShape(), |
| rangeTickMarkShape: RoundRangeSliderTickMarkShape(), |
| rangeThumbShape: RoundRangeSliderThumbShape(), |
| rangeTrackShape: RoundedRectRangeSliderTrackShape(), |
| rangeValueIndicatorShape: PaddleRangeSliderValueIndicatorShape(), |
| showValueIndicator: ShowValueIndicator.always, |
| valueIndicatorTextStyle: TextStyle(color: Colors.black), |
| ).debugFillProperties(builder); |
| |
| final List<String> description = builder.properties |
| .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info)) |
| .map((DiagnosticsNode node) => node.toString()) |
| .toList(); |
| |
| expect(description, <String>[ |
| 'trackHeight: 7.0', |
| 'activeTrackColor: Color(0xff000001)', |
| 'inactiveTrackColor: Color(0xff000002)', |
| 'disabledActiveTrackColor: Color(0xff000003)', |
| 'disabledInactiveTrackColor: Color(0xff000004)', |
| 'activeTickMarkColor: Color(0xff000005)', |
| 'inactiveTickMarkColor: Color(0xff000006)', |
| 'disabledActiveTickMarkColor: Color(0xff000007)', |
| 'disabledInactiveTickMarkColor: Color(0xff000008)', |
| 'thumbColor: Color(0xff000009)', |
| 'overlappingShapeStrokeColor: Color(0xff000010)', |
| 'disabledThumbColor: Color(0xff000011)', |
| 'overlayColor: Color(0xff000012)', |
| 'valueIndicatorColor: Color(0xff000013)', |
| "overlayShape: Instance of 'RoundSliderOverlayShape'", |
| "tickMarkShape: Instance of 'RoundSliderTickMarkShape'", |
| "thumbShape: Instance of 'RoundSliderThumbShape'", |
| "trackShape: Instance of 'RoundedRectSliderTrackShape'", |
| "valueIndicatorShape: Instance of 'PaddleSliderValueIndicatorShape'", |
| "rangeTickMarkShape: Instance of 'RoundRangeSliderTickMarkShape'", |
| "rangeThumbShape: Instance of 'RoundRangeSliderThumbShape'", |
| "rangeTrackShape: Instance of 'RoundedRectRangeSliderTrackShape'", |
| "rangeValueIndicatorShape: Instance of 'PaddleRangeSliderValueIndicatorShape'", |
| 'showValueIndicator: always', |
| 'valueIndicatorTextStyle: TextStyle(inherit: true, color: Color(0xff000000))', |
| ]); |
| }); |
| |
| testWidgets('Slider uses ThemeData slider theme if present', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.red, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme; |
| final SliderThemeData customTheme = sliderTheme.copyWith( |
| activeTrackColor: Colors.purple, |
| inactiveTrackColor: Colors.purple.withAlpha(0x3d), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.5, enabled: false)); |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| expect( |
| material, |
| paints |
| ..rrect(color: customTheme.disabledActiveTrackColor) |
| ..rrect(color: customTheme.disabledInactiveTrackColor), |
| ); |
| }); |
| |
| testWidgets('Slider overrides ThemeData theme if SliderTheme present', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.red, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme; |
| final SliderThemeData customTheme = sliderTheme.copyWith( |
| activeTrackColor: Colors.purple, |
| inactiveTrackColor: Colors.purple.withAlpha(0x3d), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.5, enabled: false)); |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| expect( |
| material, |
| paints |
| ..rrect(color: customTheme.disabledActiveTrackColor) |
| ..rrect(color: customTheme.disabledInactiveTrackColor), |
| ); |
| }); |
| |
| testWidgets('SliderThemeData generates correct opacities for fromPrimaryColors', (WidgetTester tester) async { |
| const Color customColor1 = Color(0xcafefeed); |
| const Color customColor2 = Color(0xdeadbeef); |
| const Color customColor3 = Color(0xdecaface); |
| const Color customColor4 = Color(0xfeedcafe); |
| |
| final SliderThemeData sliderTheme = SliderThemeData.fromPrimaryColors( |
| primaryColor: customColor1, |
| primaryColorDark: customColor2, |
| primaryColorLight: customColor3, |
| valueIndicatorTextStyle: ThemeData.fallback().textTheme.bodyText1!.copyWith(color: customColor4), |
| ); |
| |
| expect(sliderTheme.activeTrackColor, equals(customColor1.withAlpha(0xff))); |
| expect(sliderTheme.inactiveTrackColor, equals(customColor1.withAlpha(0x3d))); |
| expect(sliderTheme.disabledActiveTrackColor, equals(customColor2.withAlpha(0x52))); |
| expect(sliderTheme.disabledInactiveTrackColor, equals(customColor2.withAlpha(0x1f))); |
| expect(sliderTheme.activeTickMarkColor, equals(customColor3.withAlpha(0x8a))); |
| expect(sliderTheme.inactiveTickMarkColor, equals(customColor1.withAlpha(0x8a))); |
| expect(sliderTheme.disabledActiveTickMarkColor, equals(customColor3.withAlpha(0x1f))); |
| expect(sliderTheme.disabledInactiveTickMarkColor, equals(customColor2.withAlpha(0x1f))); |
| expect(sliderTheme.thumbColor, equals(customColor1.withAlpha(0xff))); |
| expect(sliderTheme.disabledThumbColor, equals(customColor2.withAlpha(0x52))); |
| expect(sliderTheme.overlayColor, equals(customColor1.withAlpha(0x1f))); |
| expect(sliderTheme.valueIndicatorColor, equals(customColor1.withAlpha(0xff))); |
| expect(sliderTheme.valueIndicatorTextStyle!.color, equals(customColor4)); |
| }); |
| |
| testWidgets('SliderThemeData generates correct shapes for fromPrimaryColors', (WidgetTester tester) async { |
| const Color customColor1 = Color(0xcafefeed); |
| const Color customColor2 = Color(0xdeadbeef); |
| const Color customColor3 = Color(0xdecaface); |
| const Color customColor4 = Color(0xfeedcafe); |
| |
| final SliderThemeData sliderTheme = SliderThemeData.fromPrimaryColors( |
| primaryColor: customColor1, |
| primaryColorDark: customColor2, |
| primaryColorLight: customColor3, |
| valueIndicatorTextStyle: ThemeData.fallback().textTheme.bodyText1!.copyWith(color: customColor4), |
| ); |
| |
| expect(sliderTheme.overlayShape, const RoundSliderOverlayShape()); |
| expect(sliderTheme.tickMarkShape, const RoundSliderTickMarkShape()); |
| expect(sliderTheme.thumbShape, const RoundSliderThumbShape()); |
| expect(sliderTheme.trackShape, const RoundedRectSliderTrackShape()); |
| expect(sliderTheme.valueIndicatorShape, const PaddleSliderValueIndicatorShape()); |
| expect(sliderTheme.rangeTickMarkShape, const RoundRangeSliderTickMarkShape()); |
| expect(sliderTheme.rangeThumbShape, const RoundRangeSliderThumbShape()); |
| expect(sliderTheme.rangeTrackShape, const RoundedRectRangeSliderTrackShape()); |
| expect(sliderTheme.rangeValueIndicatorShape, const PaddleRangeSliderValueIndicatorShape()); |
| }); |
| |
| testWidgets('SliderThemeData lerps correctly', (WidgetTester tester) async { |
| final SliderThemeData sliderThemeBlack = SliderThemeData.fromPrimaryColors( |
| primaryColor: Colors.black, |
| primaryColorDark: Colors.black, |
| primaryColorLight: Colors.black, |
| valueIndicatorTextStyle: ThemeData.fallback().textTheme.bodyText1!.copyWith(color: Colors.black), |
| ).copyWith(trackHeight: 2.0); |
| final SliderThemeData sliderThemeWhite = SliderThemeData.fromPrimaryColors( |
| primaryColor: Colors.white, |
| primaryColorDark: Colors.white, |
| primaryColorLight: Colors.white, |
| valueIndicatorTextStyle: ThemeData.fallback().textTheme.bodyText1!.copyWith(color: Colors.white), |
| ).copyWith(trackHeight: 6.0); |
| final SliderThemeData lerp = SliderThemeData.lerp(sliderThemeBlack, sliderThemeWhite, 0.5); |
| const Color middleGrey = Color(0xff7f7f7f); |
| |
| expect(lerp.trackHeight, equals(4.0)); |
| expect(lerp.activeTrackColor, equals(middleGrey.withAlpha(0xff))); |
| expect(lerp.inactiveTrackColor, equals(middleGrey.withAlpha(0x3d))); |
| expect(lerp.disabledActiveTrackColor, equals(middleGrey.withAlpha(0x52))); |
| expect(lerp.disabledInactiveTrackColor, equals(middleGrey.withAlpha(0x1f))); |
| expect(lerp.activeTickMarkColor, equals(middleGrey.withAlpha(0x8a))); |
| expect(lerp.inactiveTickMarkColor, equals(middleGrey.withAlpha(0x8a))); |
| expect(lerp.disabledActiveTickMarkColor, equals(middleGrey.withAlpha(0x1f))); |
| expect(lerp.disabledInactiveTickMarkColor, equals(middleGrey.withAlpha(0x1f))); |
| expect(lerp.thumbColor, equals(middleGrey.withAlpha(0xff))); |
| expect(lerp.disabledThumbColor, equals(middleGrey.withAlpha(0x52))); |
| expect(lerp.overlayColor, equals(middleGrey.withAlpha(0x1f))); |
| expect(lerp.valueIndicatorColor, equals(middleGrey.withAlpha(0xff))); |
| expect(lerp.valueIndicatorTextStyle!.color, equals(middleGrey.withAlpha(0xff))); |
| }); |
| |
| testWidgets('Default slider track draws correctly', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.blue, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme.copyWith(thumbColor: Colors.red.shade500); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25)); |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| const Radius radius = Radius.circular(2); |
| const Radius activatedRadius = Radius.circular(3); |
| |
| // The enabled slider thumb has track segments that extend to and from |
| // the center of the thumb. |
| expect( |
| material, |
| paints |
| ..rrect(rrect: RRect.fromLTRBAndCorners(24.0, 297.0, 212.0, 303.0, topLeft: activatedRadius, bottomLeft: activatedRadius), color: sliderTheme.activeTrackColor) |
| ..rrect(rrect: RRect.fromLTRBAndCorners(212.0, 298.0, 776.0, 302.0, topRight: radius, bottomRight: radius), color: sliderTheme.inactiveTrackColor), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25, enabled: false)); |
| await tester.pumpAndSettle(); // wait for disable animation |
| |
| // The disabled slider thumb is the same size as the enabled thumb. |
| expect( |
| material, |
| paints |
| ..rrect(rrect: RRect.fromLTRBAndCorners(24.0, 297.0, 212.0, 303.0, topLeft: activatedRadius, bottomLeft: activatedRadius), color: sliderTheme.disabledActiveTrackColor) |
| ..rrect(rrect: RRect.fromLTRBAndCorners(212.0, 298.0, 776.0, 302.0, topRight: radius, bottomRight: radius), color: sliderTheme.disabledInactiveTrackColor), |
| ); |
| }); |
| |
| testWidgets('Default slider overlay draws correctly', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.blue, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme.copyWith(thumbColor: Colors.red.shade500); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25)); |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| // With no touch, paints only the thumb. |
| expect( |
| material, |
| paints |
| ..circle( |
| color: sliderTheme.thumbColor, |
| x: 212.0, |
| y: 300.0, |
| radius: 10.0, |
| ), |
| ); |
| |
| final Offset center = tester.getCenter(find.byType(Slider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| // Wait for overlay animation to finish. |
| await tester.pumpAndSettle(); |
| |
| // After touch, paints thumb and overlay. |
| expect( |
| material, |
| paints |
| ..circle( |
| color: sliderTheme.overlayColor, |
| x: 212.0, |
| y: 300.0, |
| radius: 24.0, |
| ) |
| ..circle( |
| color: sliderTheme.thumbColor, |
| x: 212.0, |
| y: 300.0, |
| radius: 10.0, |
| ), |
| ); |
| |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| |
| // After the gesture is up and complete, it again paints only the thumb. |
| expect( |
| material, |
| paints |
| ..circle( |
| color: sliderTheme.thumbColor, |
| x: 212.0, |
| y: 300.0, |
| radius: 10.0, |
| ), |
| ); |
| }); |
| |
| testWidgets('Default slider ticker and thumb shape draw correctly', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.blue, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme.copyWith(thumbColor: Colors.red.shade500); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.45)); |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| expect(material, paints..circle(color: sliderTheme.thumbColor, radius: 10.0)); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.45, enabled: false)); |
| await tester.pumpAndSettle(); // wait for disable animation |
| |
| expect(material, paints..circle(color: sliderTheme.disabledThumbColor, radius: 10.0)); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.45, divisions: 3)); |
| await tester.pumpAndSettle(); // wait for enable animation |
| |
| expect( |
| material, |
| paints |
| ..circle(color: sliderTheme.activeTickMarkColor) |
| ..circle(color: sliderTheme.activeTickMarkColor) |
| ..circle(color: sliderTheme.inactiveTickMarkColor) |
| ..circle(color: sliderTheme.inactiveTickMarkColor) |
| ..circle(color: sliderTheme.thumbColor, radius: 10.0), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.45, divisions: 3, enabled: false)); |
| await tester.pumpAndSettle(); // wait for disable animation |
| |
| expect( |
| material, |
| paints |
| ..circle(color: sliderTheme.disabledActiveTickMarkColor) |
| ..circle(color: sliderTheme.disabledInactiveTickMarkColor) |
| ..circle(color: sliderTheme.disabledInactiveTickMarkColor) |
| ..circle(color: sliderTheme.disabledInactiveTickMarkColor) |
| ..circle(color: sliderTheme.disabledThumbColor, radius: 10.0), |
| ); |
| }); |
| |
| testWidgets('Default paddle slider value indicator shape draws correctly', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.blue, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme.copyWith( |
| thumbColor: Colors.red.shade500, |
| showValueIndicator: ShowValueIndicator.always, |
| valueIndicatorShape: const PaddleSliderValueIndicatorShape(), |
| ); |
| Widget buildApp(String value, { double sliderValue = 0.5, double textScale = 1.0 }) { |
| return MaterialApp( |
| home: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: MediaQueryData.fromWindow(window).copyWith(textScaleFactor: textScale), |
| child: Material( |
| child: Row( |
| children: <Widget>[ |
| Expanded( |
| child: SliderTheme( |
| data: sliderTheme, |
| child: Slider( |
| value: sliderValue, |
| label: value, |
| divisions: 3, |
| onChanged: (double d) { }, |
| ), |
| ), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(buildApp('1')); |
| |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| Offset center = tester.getCenter(find.byType(Slider)); |
| TestGesture gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(15.9, -40.0), |
| const Offset(-15.9, -40.0), |
| ], |
| excludes: <Offset>[const Offset(16.1, -40.0), const Offset(-16.1, -40.0)], |
| ), |
| ); |
| |
| await gesture.up(); |
| |
| // Test that it expands with a larger label. |
| await tester.pumpWidget(buildApp('1000')); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(35.9, -40.0), |
| const Offset(-35.9, -40.0), |
| ], |
| excludes: <Offset>[const Offset(36.1, -40.0), const Offset(-36.1, -40.0)], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that it avoids the left edge of the screen. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 0.0)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(92.0, -40.0), |
| const Offset(-16.0, -40.0), |
| ], |
| excludes: <Offset>[const Offset(98.1, -40.0), const Offset(-20.1, -40.0)], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that it avoids the right edge of the screen. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 1.0)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(16.0, -40.0), |
| const Offset(-92.0, -40.0), |
| ], |
| excludes: <Offset>[const Offset(20.1, -40.0), const Offset(-98.1, -40.0)], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that the neck stretches when the text scale gets smaller. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 0.0, textScale: 0.5)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -49.0), |
| const Offset(68.0, -49.0), |
| const Offset(-24.0, -49.0), |
| ], |
| excludes: <Offset>[ |
| const Offset(98.0, -32.0), // inside full size, outside small |
| const Offset(-40.0, -32.0), // inside full size, outside small |
| const Offset(90.1, -49.0), |
| const Offset(-40.1, -49.0), |
| ], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that the neck shrinks when the text scale gets larger. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 0.0, textScale: 2.5)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -38.8), |
| const Offset(92.0, -38.8), |
| const Offset(8.0, -23.0), // Inside large, outside scale=1.0 |
| const Offset(-2.0, -23.0), // Inside large, outside scale=1.0 |
| ], |
| excludes: <Offset>[ |
| const Offset(98.5, -38.8), |
| const Offset(-16.1, -38.8), |
| ], |
| ), |
| ); |
| await gesture.up(); |
| }); |
| |
| testWidgets('Default paddle slider value indicator shape draws correctly', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.blue, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme.copyWith( |
| thumbColor: Colors.red.shade500, |
| showValueIndicator: ShowValueIndicator.always, |
| valueIndicatorShape: const PaddleSliderValueIndicatorShape(), |
| ); |
| Widget buildApp(String value, { double sliderValue = 0.5, double textScale = 1.0 }) { |
| return MaterialApp( |
| home: Directionality( |
| textDirection: TextDirection.ltr, |
| child: MediaQuery( |
| data: MediaQueryData.fromWindow(window).copyWith(textScaleFactor: textScale), |
| child: Material( |
| child: Row( |
| children: <Widget>[ |
| Expanded( |
| child: SliderTheme( |
| data: sliderTheme, |
| child: Slider( |
| value: sliderValue, |
| label: value, |
| divisions: 3, |
| onChanged: (double d) { }, |
| ), |
| ), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(buildApp('1')); |
| |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| Offset center = tester.getCenter(find.byType(Slider)); |
| TestGesture gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(15.9, -40.0), |
| const Offset(-15.9, -40.0), |
| ], |
| excludes: <Offset>[const Offset(16.1, -40.0), const Offset(-16.1, -40.0)], |
| ), |
| ); |
| |
| await gesture.up(); |
| |
| // Test that it expands with a larger label. |
| await tester.pumpWidget(buildApp('1000')); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(35.9, -40.0), |
| const Offset(-35.9, -40.0), |
| ], |
| excludes: <Offset>[const Offset(36.1, -40.0), const Offset(-36.1, -40.0)], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that it avoids the left edge of the screen. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 0.0)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(92.0, -40.0), |
| const Offset(-16.0, -40.0), |
| ], |
| excludes: <Offset>[const Offset(98.1, -40.0), const Offset(-20.1, -40.0)], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that it avoids the right edge of the screen. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 1.0)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -40.0), |
| const Offset(16.0, -40.0), |
| const Offset(-92.0, -40.0), |
| ], |
| excludes: <Offset>[const Offset(20.1, -40.0), const Offset(-98.1, -40.0)], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that the neck stretches when the text scale gets smaller. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 0.0, textScale: 0.5)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -49.0), |
| const Offset(68.0, -49.0), |
| const Offset(-24.0, -49.0), |
| ], |
| excludes: <Offset>[ |
| const Offset(98.0, -32.0), // inside full size, outside small |
| const Offset(-40.0, -32.0), // inside full size, outside small |
| const Offset(90.1, -49.0), |
| const Offset(-40.1, -49.0), |
| ], |
| ), |
| ); |
| await gesture.up(); |
| |
| // Test that the neck shrinks when the text scale gets larger. |
| await tester.pumpWidget(buildApp('1000000', sliderValue: 0.0, textScale: 2.5)); |
| center = tester.getCenter(find.byType(Slider)); |
| gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..path( |
| color: sliderTheme.valueIndicatorColor, |
| includes: <Offset>[ |
| const Offset(0.0, -38.8), |
| const Offset(92.0, -38.8), |
| const Offset(8.0, -23.0), // Inside large, outside scale=1.0 |
| const Offset(-2.0, -23.0), // Inside large, outside scale=1.0 |
| ], |
| excludes: <Offset>[ |
| const Offset(98.5, -38.8), |
| const Offset(-16.1, -38.8), |
| ], |
| ), |
| ); |
| await gesture.up(); |
| }); |
| |
| testWidgets('The slider track height can be overridden', (WidgetTester tester) async { |
| final SliderThemeData sliderTheme = ThemeData().sliderTheme.copyWith(trackHeight: 16); |
| const Radius radius = Radius.circular(8); |
| const Radius activatedRadius = Radius.circular(9); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25)); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| // Top and bottom are centerY (300) + and - trackRadius (8). |
| expect( |
| material, |
| paints |
| ..rrect(rrect: RRect.fromLTRBAndCorners(24.0, 291.0, 212.0, 309.0, topLeft: activatedRadius, bottomLeft: activatedRadius), color: sliderTheme.activeTrackColor) |
| ..rrect(rrect: RRect.fromLTRBAndCorners(212.0, 292.0, 776.0, 308.0, topRight: radius, bottomRight: radius), color: sliderTheme.inactiveTrackColor), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25, enabled: false)); |
| await tester.pumpAndSettle(); // wait for disable animation |
| |
| // The disabled thumb is smaller so the active track has to paint longer to |
| // get to the edge. |
| expect( |
| material, |
| paints |
| ..rrect(rrect: RRect.fromLTRBAndCorners(24.0, 291.0, 212.0, 309.0, topLeft: activatedRadius, bottomLeft: activatedRadius), color: sliderTheme.disabledActiveTrackColor) |
| ..rrect(rrect: RRect.fromLTRBAndCorners(212.0, 292.0, 776.0, 308.0, topRight: radius, bottomRight: radius), color: sliderTheme.disabledInactiveTrackColor), |
| ); |
| }); |
| |
| testWidgets('The default slider thumb shape sizes can be overridden', (WidgetTester tester) async { |
| final SliderThemeData sliderTheme = ThemeData().sliderTheme.copyWith( |
| thumbShape: const RoundSliderThumbShape( |
| enabledThumbRadius: 7, |
| disabledThumbRadius: 11, |
| ), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25)); |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| expect( |
| material, |
| paints..circle(x: 212, y: 300, radius: 7, color: sliderTheme.thumbColor), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25, enabled: false)); |
| await tester.pumpAndSettle(); // wait for disable animation |
| |
| expect( |
| material, |
| paints..circle(x: 212, y: 300, radius: 11, color: sliderTheme.disabledThumbColor), |
| ); |
| }); |
| |
| testWidgets('The default slider thumb shape disabled size can be inferred from the enabled size', (WidgetTester tester) async { |
| final SliderThemeData sliderTheme = ThemeData().sliderTheme.copyWith( |
| thumbShape: const RoundSliderThumbShape( |
| enabledThumbRadius: 9, |
| ), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25)); |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| expect( |
| material, |
| paints..circle(x: 212, y: 300, radius: 9, color: sliderTheme.thumbColor), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.25, enabled: false)); |
| await tester.pumpAndSettle(); // wait for disable animation |
| expect( |
| material, |
| paints..circle(x: 212, y: 300, radius: 9, color: sliderTheme.disabledThumbColor), |
| ); |
| }); |
| |
| testWidgets('The default slider tick mark shape size can be overridden', (WidgetTester tester) async { |
| final SliderThemeData sliderTheme = ThemeData().sliderTheme.copyWith( |
| tickMarkShape: const RoundSliderTickMarkShape(tickMarkRadius: 5), |
| activeTickMarkColor: const Color(0xfadedead), |
| inactiveTickMarkColor: const Color(0xfadebeef), |
| disabledActiveTickMarkColor: const Color(0xfadecafe), |
| disabledInactiveTickMarkColor: const Color(0xfadeface), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.5, divisions: 2)); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| expect( |
| material, |
| paints |
| ..circle(x: 26, y: 300, radius: 5, color: sliderTheme.activeTickMarkColor) |
| ..circle(x: 400, y: 300, radius: 5, color: sliderTheme.activeTickMarkColor) |
| ..circle(x: 774, y: 300, radius: 5, color: sliderTheme.inactiveTickMarkColor), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.5, divisions: 2, enabled: false)); |
| await tester.pumpAndSettle(); |
| |
| expect( |
| material, |
| paints |
| ..circle(x: 26, y: 300, radius: 5, color: sliderTheme.disabledActiveTickMarkColor) |
| ..circle(x: 400, y: 300, radius: 5, color: sliderTheme.disabledActiveTickMarkColor) |
| ..circle(x: 774, y: 300, radius: 5, color: sliderTheme.disabledInactiveTickMarkColor), |
| ); |
| }); |
| |
| testWidgets('The default slider overlay shape size can be overridden', (WidgetTester tester) async { |
| const double uniqueOverlayRadius = 23; |
| final SliderThemeData sliderTheme = ThemeData().sliderTheme.copyWith( |
| overlayShape: const RoundSliderOverlayShape( |
| overlayRadius: uniqueOverlayRadius, |
| ), |
| ); |
| |
| await tester.pumpWidget(_buildApp(sliderTheme, value: 0.5)); |
| // Tap center and wait for animation. |
| final Offset center = tester.getCenter(find.byType(Slider)); |
| await tester.startGesture(center); |
| await tester.pumpAndSettle(); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| expect( |
| material, |
| paints..circle( |
| x: center.dx, |
| y: center.dy, |
| radius: uniqueOverlayRadius, |
| color: sliderTheme.overlayColor, |
| ), |
| ); |
| }); |
| |
| // Only the thumb, overlay, and tick mark have special shortcuts to provide |
| // no-op or empty shapes. |
| // |
| // The track can also be skipped by providing 0 height. |
| // |
| // The value indicator can be skipped by passing the appropriate |
| // [ShowValueIndicator]. |
| testWidgets('The slider can skip all of its component painting', (WidgetTester tester) async { |
| // Pump a slider with all shapes skipped. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| overlayShape: SliderComponentShape.noOverlay, |
| thumbShape: SliderComponentShape.noThumb, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.never, |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| expect(material, paintsExactlyCountTimes(#drawRect, 0)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 0)); |
| expect(material, paintsExactlyCountTimes(#drawPath, 0)); |
| }); |
| |
| testWidgets('The slider can skip all component painting except the track', (WidgetTester tester) async { |
| // Pump a slider with just a track. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| overlayShape: SliderComponentShape.noOverlay, |
| thumbShape: SliderComponentShape.noThumb, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.never, |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| // Only 2 track segments. |
| expect(material, paintsExactlyCountTimes(#drawRRect, 2)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 0)); |
| expect(material, paintsExactlyCountTimes(#drawPath, 0)); |
| }); |
| |
| testWidgets('The slider can skip all component painting except the tick marks', (WidgetTester tester) async { |
| // Pump a slider with just tick marks. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| overlayShape: SliderComponentShape.noOverlay, |
| thumbShape: SliderComponentShape.noThumb, |
| showValueIndicator: ShowValueIndicator.never, |
| // When the track is hidden to 0 height, a tick mark radius |
| // must be provided to get a non-zero radius. |
| tickMarkShape: const RoundSliderTickMarkShape(tickMarkRadius: 1), |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| // Only 5 tick marks. |
| expect(material, paintsExactlyCountTimes(#drawRect, 0)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 5)); |
| expect(material, paintsExactlyCountTimes(#drawPath, 0)); |
| }); |
| |
| testWidgets('The slider can skip all component painting except the thumb', (WidgetTester tester) async { |
| // Pump a slider with just a thumb. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| overlayShape: SliderComponentShape.noOverlay, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.never, |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| // Only 1 thumb. |
| expect(material, paintsExactlyCountTimes(#drawRect, 0)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 1)); |
| expect(material, paintsExactlyCountTimes(#drawPath, 0)); |
| }); |
| |
| testWidgets('The slider can skip all component painting except the overlay', (WidgetTester tester) async { |
| // Pump a slider with just an overlay. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| thumbShape: SliderComponentShape.noThumb, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.never, |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| |
| // Tap the center of the track and wait for animations to finish. |
| final Offset center = tester.getCenter(find.byType(Slider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| await tester.pumpAndSettle(); |
| |
| // Only 1 overlay. |
| expect(material, paintsExactlyCountTimes(#drawRect, 0)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 1)); |
| expect(material, paintsExactlyCountTimes(#drawPath, 0)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('The slider can skip all component painting except the value indicator', (WidgetTester tester) async { |
| // Pump a slider with just a value indicator. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| overlayShape: SliderComponentShape.noOverlay, |
| thumbShape: SliderComponentShape.noThumb, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.always, |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| // Tap the center of the track and wait for animations to finish. |
| final Offset center = tester.getCenter(find.byType(Slider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| await tester.pumpAndSettle(); |
| |
| // Only 1 value indicator. |
| expect(material, paintsExactlyCountTimes(#drawRect, 0)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 0)); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 1)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('PaddleSliderValueIndicatorShape skips all painting at zero scale', (WidgetTester tester) async { |
| // Pump a slider with just a value indicator. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| overlayShape: SliderComponentShape.noOverlay, |
| thumbShape: SliderComponentShape.noThumb, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.always, |
| valueIndicatorShape: const PaddleSliderValueIndicatorShape(), |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final MaterialInkController material = Material.of(tester.element(find.byType(Slider)))!; |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| // Tap the center of the track to kick off the animation of the value indicator. |
| final Offset center = tester.getCenter(find.byType(Slider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| |
| // Nothing to paint at scale 0. |
| await tester.pump(); |
| expect(material, paintsExactlyCountTimes(#drawRect, 0)); |
| expect(material, paintsExactlyCountTimes(#drawCircle, 0)); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 0)); |
| |
| // Painting a path for the value indicator. |
| await tester.pump(const Duration(milliseconds: 16)); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 1)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('Default slider value indicator shape skips all painting at zero scale', (WidgetTester tester) async { |
| // Pump a slider with just a value indicator. |
| await tester.pumpWidget(_buildApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| overlayShape: SliderComponentShape.noOverlay, |
| thumbShape: SliderComponentShape.noThumb, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.always, |
| ), |
| value: 0.5, |
| divisions: 4, |
| )); |
| |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| // Tap the center of the track to kick off the animation of the value indicator. |
| final Offset center = tester.getCenter(find.byType(Slider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| |
| // Nothing to paint at scale 0. |
| await tester.pump(); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 0)); |
| |
| // Painting a path for the value indicator. |
| await tester.pump(const Duration(milliseconds: 16)); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 1)); |
| |
| await gesture.up(); |
| }); |
| |
| |
| testWidgets('Default paddle range slider value indicator shape draws correctly', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData( |
| platform: TargetPlatform.android, |
| primarySwatch: Colors.blue, |
| ); |
| final SliderThemeData sliderTheme = theme.sliderTheme.copyWith( |
| thumbColor: Colors.red.shade500, |
| showValueIndicator: ShowValueIndicator.always, |
| rangeValueIndicatorShape: const PaddleRangeSliderValueIndicatorShape(), |
| ); |
| |
| await tester.pumpWidget(_buildRangeApp(sliderTheme)); |
| |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| final Offset center = tester.getCenter(find.byType(RangeSlider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| // Wait for value indicator animation to finish. |
| await tester.pumpAndSettle(); |
| expect( |
| valueIndicatorBox, |
| paints |
| ..rrect(rrect: RRect.fromLTRBAndCorners( |
| 24.0, 298.0, 24.0, 302.0, |
| topLeft: const Radius.circular(2.0), |
| topRight: const Radius.circular(0.0), |
| bottomRight: const Radius.circular(0.0), |
| bottomLeft: const Radius.circular(2.0), |
| )) |
| ..rect(rect: const Rect.fromLTRB(24.0, 297.0, 24.0, 303.0)) |
| ..rrect(rrect: RRect.fromLTRBAndCorners( |
| 24.0, 298.0, 776.0, 302.0, |
| topLeft: const Radius.circular(0.0), |
| topRight: const Radius.circular(2.0), |
| bottomRight: const Radius.circular(2.0), |
| bottomLeft: const Radius.circular(0.0), |
| )) |
| ..circle(x: 24.0, y: 300.0) |
| ..shadow(elevation: 1.0) |
| ..circle(x: 24.0, y: 300.0) |
| ..shadow(elevation: 6.0) |
| ..circle(x: 24.0, y: 300.0) |
| ); |
| |
| await gesture.up(); |
| |
| }); |
| |
| testWidgets('PaddleRangeSliderValueIndicatorShape skips all painting at zero scale', (WidgetTester tester) async { |
| // Pump a slider with just a value indicator. |
| await tester.pumpWidget(_buildRangeApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| rangeValueIndicatorShape: const PaddleRangeSliderValueIndicatorShape(), |
| ), |
| values: const RangeValues(0, 0.5), |
| divisions: 4, |
| )); |
| |
| // final RenderBox sliderBox = tester.firstRenderObject<RenderBox>(find.byType(RangeSlider)); |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| // Tap the center of the track to kick off the animation of the value indicator. |
| final Offset center = tester.getCenter(find.byType(RangeSlider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| |
| // No value indicator path to paint at scale 0. |
| await tester.pump(); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 0)); |
| |
| // Painting a path for each value indicator. |
| await tester.pump(const Duration(milliseconds: 16)); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 2)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('Default range indicator shape skips all painting at zero scale', (WidgetTester tester) async { |
| // Pump a slider with just a value indicator. |
| await tester.pumpWidget(_buildRangeApp( |
| ThemeData().sliderTheme.copyWith( |
| trackHeight: 0, |
| overlayShape: SliderComponentShape.noOverlay, |
| thumbShape: SliderComponentShape.noThumb, |
| tickMarkShape: SliderTickMarkShape.noTickMark, |
| showValueIndicator: ShowValueIndicator.always, |
| ), |
| values: const RangeValues(0, 0.5), |
| divisions: 4, |
| )); |
| |
| final RenderBox valueIndicatorBox = tester.renderObject(find.byType(Overlay)); |
| |
| // Tap the center of the track to kick off the animation of the value indicator. |
| final Offset center = tester.getCenter(find.byType(RangeSlider)); |
| final TestGesture gesture = await tester.startGesture(center); |
| |
| // No value indicator path to paint at scale 0. |
| await tester.pump(); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 0)); |
| |
| // Painting a path for each value indicator. |
| await tester.pump(const Duration(milliseconds: 16)); |
| expect(valueIndicatorBox, paintsExactlyCountTimes(#drawPath, 2)); |
| |
| await gesture.up(); |
| }); |
| } |
| |
| Widget _buildApp( |
| SliderThemeData sliderTheme, { |
| double value = 0.0, |
| bool enabled = true, |
| int? divisions, |
| }) { |
| final ValueChanged<double>? onChanged = enabled ? (double d) => value = d : null; |
| return MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: SliderTheme( |
| data: sliderTheme, |
| child: Slider( |
| value: value, |
| label: '$value', |
| onChanged: onChanged, |
| divisions: divisions, |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| Widget _buildRangeApp( |
| SliderThemeData sliderTheme, { |
| RangeValues values = const RangeValues(0, 0), |
| bool enabled = true, |
| int? divisions, |
| }) { |
| final ValueChanged<RangeValues>? onChanged = enabled ? (RangeValues d) => values = d : null; |
| return MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: SliderTheme( |
| data: sliderTheme, |
| child: RangeSlider( |
| values: values, |
| labels: RangeLabels(values.start.toString(), values.end.toString()), |
| onChanged: onChanged, |
| divisions: divisions, |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
