blob: 1b9cc51f9e04195ed03c84c3da7170ef84638222 [file] [log] [blame]
// 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/material.dart';
import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
enum RadiusType {
Sharp,
Shifting,
Round
}
void matches(BorderRadius? borderRadius, RadiusType top, RadiusType bottom) {
final Radius cardRadius = kMaterialEdges[MaterialType.card]!.topLeft;
if (top == RadiusType.Sharp) {
expect(borderRadius?.topLeft, equals(Radius.zero));
expect(borderRadius?.topRight, equals(Radius.zero));
} else if (top == RadiusType.Shifting) {
expect(borderRadius?.topLeft.x, greaterThan(0.0));
expect(borderRadius?.topLeft.x, lessThan(cardRadius.x));
expect(borderRadius?.topLeft.y, greaterThan(0.0));
expect(borderRadius?.topLeft.y, lessThan(cardRadius.y));
expect(borderRadius?.topRight.x, greaterThan(0.0));
expect(borderRadius?.topRight.x, lessThan(cardRadius.x));
expect(borderRadius?.topRight.y, greaterThan(0.0));
expect(borderRadius?.topRight.y, lessThan(cardRadius.y));
} else {
expect(borderRadius?.topLeft, equals(cardRadius));
expect(borderRadius?.topRight, equals(cardRadius));
}
if (bottom == RadiusType.Sharp) {
expect(borderRadius?.bottomLeft, equals(Radius.zero));
expect(borderRadius?.bottomRight, equals(Radius.zero));
} else if (bottom == RadiusType.Shifting) {
expect(borderRadius?.bottomLeft.x, greaterThan(0.0));
expect(borderRadius?.bottomLeft.x, lessThan(cardRadius.x));
expect(borderRadius?.bottomLeft.y, greaterThan(0.0));
expect(borderRadius?.bottomLeft.y, lessThan(cardRadius.y));
expect(borderRadius?.bottomRight.x, greaterThan(0.0));
expect(borderRadius?.bottomRight.x, lessThan(cardRadius.x));
expect(borderRadius?.bottomRight.y, greaterThan(0.0));
expect(borderRadius?.bottomRight.y, lessThan(cardRadius.y));
} else {
expect(borderRadius?.bottomLeft, equals(cardRadius));
expect(borderRadius?.bottomRight, equals(cardRadius));
}
}
// Returns the border radius decoration of an item within a MergeableMaterial.
// This depends on the exact structure of objects built by the Material and
// MergeableMaterial widgets.
BorderRadius? getBorderRadius(WidgetTester tester, int index) {
final List<Element> containers = tester.elementList(find.byType(Container))
.toList();
final Container container = containers[index].widget as Container;
final BoxDecoration? boxDecoration = container.decoration as BoxDecoration?;
return boxDecoration!.borderRadius as BorderRadius?;
}
void main() {
testWidgets('MergeableMaterial empty', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(0));
});
testWidgets('MergeableMaterial update slice', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(100.0));
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 200.0,
),
),
],
),
),
),
),
);
box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(200.0));
});
testWidgets('MergeableMaterial swap slices', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(200.0));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(200.0));
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(200.0));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
});
testWidgets('MergeableMaterial paints shadows', (WidgetTester tester) async {
debugDisableShadows = false;
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final BoxShadow boxShadow = kElevationToShadow[2]![0];
final RRect rrect = kMaterialEdges[MaterialType.card]!.toRRect(
const Rect.fromLTRB(0.0, 0.0, 800.0, 100.0)
);
expect(
find.byType(MergeableMaterial),
paints..rrect(rrect: rrect, color: boxShadow.color, hasMaskFilter: true),
);
debugDisableShadows = true;
});
testWidgets('MergeableMaterial merge gap', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Sharp);
matches(getBorderRadius(tester, 1), RadiusType.Sharp, RadiusType.Round);
});
testWidgets('MergeableMaterial separate slices', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
});
testWidgets('MergeableMaterial separate merge separate', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Sharp);
matches(getBorderRadius(tester, 1), RadiusType.Sharp, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
});
testWidgets('MergeableMaterial insert slice', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
expect(box.size.height, equals(300));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
});
testWidgets('MergeableMaterial remove slice', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(300));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump();
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
});
testWidgets('MergeableMaterial insert chunk', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('y')
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Shifting);
matches(getBorderRadius(tester, 2), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 2), RadiusType.Round, RadiusType.Round);
});
testWidgets('MergeableMaterial remove chunk', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('y')
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 2), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(200));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Sharp);
matches(getBorderRadius(tester, 1), RadiusType.Sharp, RadiusType.Round);
});
testWidgets('MergeableMaterial replace gap with chunk', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('y')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('z')
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Shifting);
matches(getBorderRadius(tester, 2), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 2), RadiusType.Round, RadiusType.Round);
});
testWidgets('MergeableMaterial replace chunk with gap', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('y')
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final RenderBox box = tester.renderObject(find.byType(MergeableMaterial));
expect(box.size.height, equals(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 2), RadiusType.Round, RadiusType.Round);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('z')
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, lessThan(332));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Shifting);
matches(getBorderRadius(tester, 1), RadiusType.Shifting, RadiusType.Round);
await tester.pump(const Duration(milliseconds: 100));
expect(box.size.height, equals(216));
matches(getBorderRadius(tester, 0), RadiusType.Round, RadiusType.Round);
matches(getBorderRadius(tester, 1), RadiusType.Round, RadiusType.Round);
});
bool isDivider(Widget widget, bool top, bool bottom) {
final DecoratedBox box = widget as DecoratedBox;
const BorderSide side = BorderSide(color: Color(0x1F000000), width: 0.5);
return box.decoration == BoxDecoration(
border: Border(
top: top ? side : BorderSide.none,
bottom: bottom ? side : BorderSide.none,
),
);
}
testWidgets('MergeableMaterial dividers', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
hasDividers: true,
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('D'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
List<Widget> boxes = tester.widgetList(find.byType(DecoratedBox)).toList();
int offset = 1;
expect(isDivider(boxes[offset], false, true), isTrue);
expect(isDivider(boxes[offset + 1], true, true), isTrue);
expect(isDivider(boxes[offset + 2], true, true), isTrue);
expect(isDivider(boxes[offset + 3], true, false), isTrue);
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
hasDividers: true,
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialGap(
key: ValueKey<String>('x')
),
MaterialSlice(
key: ValueKey<String>('C'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('D'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
// Wait for dividers to shrink.
await tester.pump(const Duration(milliseconds: 200));
boxes = tester.widgetList(find.byType(DecoratedBox)).toList();
offset = 1;
expect(isDivider(boxes[offset], false, true), isTrue);
expect(isDivider(boxes[offset + 1], true, false), isTrue);
// offset + 2 is gap
expect(isDivider(boxes[offset + 3], false, true), isTrue);
expect(isDivider(boxes[offset + 4], true, false), isTrue);
});
testWidgets('MergeableMaterial respects dividerColor', (WidgetTester tester) async {
const Color dividerColor = Colors.red;
await tester.pumpWidget(
const MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: MergeableMaterial(
hasDividers: true,
dividerColor: dividerColor,
children: <MergeableMaterialItem>[
MaterialSlice(
key: ValueKey<String>('A'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
MaterialSlice(
key: ValueKey<String>('B'),
child: SizedBox(
width: 100.0,
height: 100.0,
),
),
],
),
),
),
),
);
final DecoratedBox decoratedBox = tester.widget(find.byType(DecoratedBox).last);
final BoxDecoration decoration = decoratedBox.decoration as BoxDecoration;
// Since we are getting the last DecoratedBox, it will have a Border.top.
expect(decoration.border!.top.color, dividerColor);
});
}