| // 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'; |
| |
| void main() { |
| testWidgets('Divider control test', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: Divider(), |
| ), |
| ), |
| ); |
| final RenderBox box = tester.firstRenderObject(find.byType(Divider)); |
| expect(box.size.height, 16.0); |
| final Container container = tester.widget(find.byType(Container)); |
| final BoxDecoration decoration = container.decoration! as BoxDecoration; |
| expect(decoration.border!.bottom.width, 0.0); |
| }); |
| |
| testWidgets('Divider custom thickness', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: Divider( |
| thickness: 5.0, |
| ), |
| ), |
| ), |
| ); |
| final Container container = tester.widget(find.byType(Container)); |
| final BoxDecoration decoration = container.decoration! as BoxDecoration; |
| expect(decoration.border!.bottom.width, 5.0); |
| }); |
| |
| testWidgets('Horizontal divider custom indentation', (WidgetTester tester) async { |
| const double customIndent = 10.0; |
| Rect dividerRect; |
| Rect lineRect; |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: Divider( |
| indent: customIndent, |
| ), |
| ), |
| ), |
| ); |
| // The divider line is drawn with a DecoratedBox with a border |
| dividerRect = tester.getRect(find.byType(Divider)); |
| lineRect = tester.getRect(find.byType(DecoratedBox)); |
| expect(lineRect.left, dividerRect.left + customIndent); |
| expect(lineRect.right, dividerRect.right); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: Divider( |
| endIndent: customIndent, |
| ), |
| ), |
| ), |
| ); |
| dividerRect = tester.getRect(find.byType(Divider)); |
| lineRect = tester.getRect(find.byType(DecoratedBox)); |
| expect(lineRect.left, dividerRect.left); |
| expect(lineRect.right, dividerRect.right - customIndent); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: Divider( |
| indent: customIndent, |
| endIndent: customIndent, |
| ), |
| ), |
| ), |
| ); |
| dividerRect = tester.getRect(find.byType(Divider)); |
| lineRect = tester.getRect(find.byType(DecoratedBox)); |
| expect(lineRect.left, dividerRect.left + customIndent); |
| expect(lineRect.right, dividerRect.right - customIndent); |
| }); |
| |
| testWidgets('Vertical Divider Test', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: VerticalDivider(), |
| ), |
| ), |
| ); |
| final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider)); |
| expect(box.size.width, 16.0); |
| final Container container = tester.widget(find.byType(Container)); |
| final BoxDecoration decoration = container.decoration! as BoxDecoration; |
| final Border border = decoration.border! as Border; |
| expect(border.left.width, 0.0); |
| }); |
| |
| testWidgets('Divider custom thickness', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: VerticalDivider( |
| thickness: 5.0, |
| ), |
| ), |
| ), |
| ); |
| final Container container = tester.widget(find.byType(Container)); |
| final BoxDecoration decoration = container.decoration! as BoxDecoration; |
| final Border border = decoration.border! as Border; |
| expect(border.left.width, 5.0); |
| }); |
| |
| testWidgets('Vertical Divider Test 2', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Material( |
| child: SizedBox( |
| height: 24.0, |
| child: Row( |
| children: const <Widget>[ |
| Text('Hey.'), |
| VerticalDivider(), |
| ], |
| ), |
| ), |
| ), |
| ), |
| ); |
| final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider)); |
| final RenderBox containerBox = tester.firstRenderObject(find.byType(Container).last); |
| |
| expect(box.size.width, 16.0); |
| expect(containerBox.size.height, 600.0); |
| expect(find.byType(VerticalDivider), paints..path(strokeWidth: 0.0)); |
| }); |
| |
| testWidgets('Vertical divider custom indentation', (WidgetTester tester) async { |
| const double customIndent = 10.0; |
| Rect dividerRect; |
| Rect lineRect; |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: VerticalDivider( |
| indent: customIndent, |
| ), |
| ), |
| ), |
| ); |
| // The divider line is drawn with a DecoratedBox with a border |
| dividerRect = tester.getRect(find.byType(VerticalDivider)); |
| lineRect = tester.getRect(find.byType(DecoratedBox)); |
| expect(lineRect.top, dividerRect.top + customIndent); |
| expect(lineRect.bottom, dividerRect.bottom); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: VerticalDivider( |
| endIndent: customIndent, |
| ), |
| ), |
| ), |
| ); |
| dividerRect = tester.getRect(find.byType(VerticalDivider)); |
| lineRect = tester.getRect(find.byType(DecoratedBox)); |
| expect(lineRect.top, dividerRect.top); |
| expect(lineRect.bottom, dividerRect.bottom - customIndent); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: VerticalDivider( |
| indent: customIndent, |
| endIndent: customIndent, |
| ), |
| ), |
| ), |
| ); |
| dividerRect = tester.getRect(find.byType(VerticalDivider)); |
| lineRect = tester.getRect(find.byType(DecoratedBox)); |
| expect(lineRect.top, dividerRect.top + customIndent); |
| expect(lineRect.bottom, dividerRect.bottom - customIndent); |
| }); |
| |
| // Regression test for https://github.com/flutter/flutter/issues/39533 |
| testWidgets('createBorderSide does not throw exception with null context', (WidgetTester tester) async { |
| // Passing a null context used to throw an exception but no longer does. |
| expect(() => Divider.createBorderSide(null), isNot(throwsAssertionError)); |
| expect(() => Divider.createBorderSide(null), isNot(throwsNoSuchMethodError)); |
| }); |
| } |