// Copyright 2017 The Chromium 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/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter_test/flutter_test.dart'; import '../rendering/mock_canvas.dart'; void main() { testWidgets('The InkWell widget renders an ink splash', (WidgetTester tester) async { const Color highlightColor = Color(0xAAFF0000); const Color splashColor = Color(0xAA0000FF); final BorderRadius borderRadius = BorderRadius.circular(6.0); await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Container( width: 200.0, height: 60.0, child: InkWell( borderRadius: borderRadius, highlightColor: highlightColor, splashColor: splashColor, onTap: () { }, ), ), ), ), ), ); final Offset center = tester.getCenter(find.byType(InkWell)); 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 final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic; expect( box, paints ..translate(x: 0.0, y: 0.0) ..save() ..translate(x: 300.0, y: 270.0) ..clipRRect(rrect: RRect.fromLTRBR(0.0, 0.0, 200.0, 60.0, const Radius.circular(6.0))) ..circle(x: 100.0, y: 30.0, radius: 21.0, color: splashColor) ..restore() ..rrect( rrect: RRect.fromLTRBR(300.0, 270.0, 500.0, 330.0, const Radius.circular(6.0)), color: highlightColor, ) ); await gesture.up(); }); testWidgets('The InkWell widget renders an ink ripple', (WidgetTester tester) async { const Color highlightColor = Color(0xAAFF0000); const Color splashColor = Color(0xB40000FF); final BorderRadius borderRadius = BorderRadius.circular(6.0); await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Container( width: 100.0, height: 100.0, child: InkWell( borderRadius: borderRadius, highlightColor: highlightColor, splashColor: splashColor, onTap: () { }, radius: 100.0, splashFactory: InkRipple.splashFactory, ), ), ), ), ), ); final Offset tapDownOffset = tester.getTopLeft(find.byType(InkWell)); final Offset inkWellCenter = tester.getCenter(find.byType(InkWell)); //final TestGesture gesture = await tester.startGesture(tapDownOffset); await tester.tapAt(tapDownOffset); await tester.pump(); // start gesture final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic; bool offsetsAreClose(Offset a, Offset b) => (a - b).distance < 1.0; bool radiiAreClose(double a, double b) => (a - b).abs() < 1.0; PaintPattern ripplePattern(Offset expectedCenter, double expectedRadius, int expectedAlpha) { return paints ..translate(x: 0.0, y: 0.0) ..translate(x: tapDownOffset.dx, y: tapDownOffset.dy) ..something((Symbol method, List<dynamic> arguments) { if (method != #drawCircle) return false; final Offset center = arguments[0]; final double radius = arguments[1]; final Paint paint = arguments[2]; if (offsetsAreClose(center, expectedCenter) && radiiAreClose(radius, expectedRadius) && paint.color.alpha == expectedAlpha) return true; throw ''' Expected: center == $expectedCenter, radius == $expectedRadius, alpha == $expectedAlpha Found: center == $center radius == $radius alpha == ${paint.color.alpha}'''; } ); } // Initially the ripple's center is where the tap occurred; // ripplePattern always add a translation of tapDownOffset. expect(box, ripplePattern(Offset.zero, 30.0, 0)); // The ripple fades in for 75ms. During that time its alpha is eased from // 0 to the splashColor's alpha value and its center moves towards the // center of the ink well. await tester.pump(const Duration(milliseconds: 50)); expect(box, ripplePattern(const Offset(17.0, 17.0), 56.0, 120)); // At 75ms the ripple has fade in: it's alpha matches the splashColor's // alpha and its center has moved closer to the ink well's center. await tester.pump(const Duration(milliseconds: 25)); expect(box, ripplePattern(const Offset(29.0, 29.0), 73.0, 180)); // At this point the splash radius has expanded to its limit: 5 past the // ink well's radius parameter. The splash center has moved to its final // location at the inkwell's center and the fade-out is about to start. // The fade-out begins at 225ms = 50ms + 25ms + 150ms. await tester.pump(const Duration(milliseconds: 150)); expect(box, ripplePattern(inkWellCenter - tapDownOffset, 105.0, 180)); // After another 150ms the fade-out is complete. await tester.pump(const Duration(milliseconds: 150)); expect(box, ripplePattern(inkWellCenter - tapDownOffset, 105.0, 0)); }); testWidgets('Does the Ink widget render anything', (WidgetTester tester) async { await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Ink( color: Colors.blue, width: 200.0, height: 200.0, child: InkWell( splashColor: Colors.green, onTap: () { }, ), ), ), ), ), ); final Offset center = tester.getCenter(find.byType(InkWell)); 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 final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic; expect( box, paints ..rect(rect: Rect.fromLTRB(300.0, 200.0, 500.0, 400.0), color: Color(Colors.blue.value)) ..circle(color: Color(Colors.green.value)) ); await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Ink( color: Colors.red, width: 200.0, height: 200.0, child: InkWell( splashColor: Colors.green, onTap: () { }, ), ), ), ), ), ); expect(Material.of(tester.element(find.byType(InkWell))), same(box)); expect( box, paints ..rect(rect: Rect.fromLTRB(300.0, 200.0, 500.0, 400.0), color: Color(Colors.red.value)) ..circle(color: Color(Colors.green.value)) ); await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: InkWell( // this is at a different depth in the tree so it's now a new InkWell splashColor: Colors.green, onTap: () { }, ), ), ), ), ); expect(Material.of(tester.element(find.byType(InkWell))), same(box)); expect(box, isNot(paints..rect())); expect(box, isNot(paints..circle())); await gesture.up(); }); testWidgets('Cancel an InkRipple that was disposed when its animation ended', (WidgetTester tester) async { // Regression test for https://github.com/flutter/flutter/issues/14391 await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Container( width: 100.0, height: 100.0, child: InkWell( onTap: () { }, radius: 100.0, splashFactory: InkRipple.splashFactory, ), ), ), ), ), ); final Offset tapDownOffset = tester.getTopLeft(find.byType(InkWell)); await tester.tapAt(tapDownOffset); await tester.pump(); // start splash await tester.pump(const Duration(milliseconds: 375)); // _kFadeOutDuration, in_ripple.dart final TestGesture gesture = await tester.startGesture(tapDownOffset); await tester.pump(); // start gesture await gesture.moveTo(const Offset(0.0, 0.0)); await gesture.up(); // generates a tap cancel await tester.pumpAndSettle(); }); testWidgets('Cancel an InkRipple that was disposed when its animation ended', (WidgetTester tester) async { const Color highlightColor = Color(0xAAFF0000); const Color splashColor = Color(0xB40000FF); // Regression test for https://github.com/flutter/flutter/issues/14391 await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Container( width: 100.0, height: 100.0, child: InkWell( splashColor: splashColor, highlightColor: highlightColor, onTap: () { }, radius: 100.0, splashFactory: InkRipple.splashFactory, ), ), ), ), ), ); final Offset tapDownOffset = tester.getTopLeft(find.byType(InkWell)); await tester.tapAt(tapDownOffset); await tester.pump(); // start splash // No delay here so _fadeInController.value=1.0 (InkRipple.dart) // Generate a tap cancel; Will cancel the ink splash before it started final TestGesture gesture = await tester.startGesture(tapDownOffset); await tester.pump(); // start gesture await gesture.moveTo(const Offset(0.0, 0.0)); await gesture.up(); // generates a tap cancel final RenderBox box = Material.of(tester.element(find.byType(InkWell))) as dynamic; expect(box, paints..everything((Symbol method, List<dynamic> arguments) { if (method != #drawCircle) return true; final Paint paint = arguments[2]; if (paint.color.alpha == 0) return true; throw 'Expected: paint.color.alpha == 0, found: ${paint.color.alpha}'; })); }); }