blob: bcc747f63d71beb528290ecf53ce52c7d5d1873d [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_api_samples/material/checkbox_list_tile/checkbox_list_tile.1.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Checkbox aligns appropriately', (WidgetTester tester) async {
await tester.pumpWidget(
const example.CheckboxListTileApp(),
);
expect(find.byType(CheckboxListTile), findsNWidgets(3));
Offset tileTopLeft = tester.getTopLeft(find.byType(CheckboxListTile).at(0));
Offset checkboxTopLeft = tester.getTopLeft(find.byType(Checkbox).at(0));
// The checkbox is centered vertically with the text.
expect(checkboxTopLeft - tileTopLeft, const Offset(736.0, 16.0));
tileTopLeft = tester.getTopLeft(find.byType(CheckboxListTile).at(1));
checkboxTopLeft = tester.getTopLeft(find.byType(Checkbox).at(1));
// The checkbox is centered vertically with the text.
expect(checkboxTopLeft - tileTopLeft, const Offset(736.0, 30.0));
tileTopLeft = tester.getTopLeft(find.byType(CheckboxListTile).at(2));
checkboxTopLeft = tester.getTopLeft(find.byType(Checkbox).at(2));
// The checkbox is aligned to the top vertically with the text.
expect(checkboxTopLeft - tileTopLeft, const Offset(736.0, 8.0));
});
testWidgets('Checkboxes can be checked', (WidgetTester tester) async {
await tester.pumpWidget(
const example.CheckboxListTileApp(),
);
expect(find.byType(CheckboxListTile), findsNWidgets(3));
// All checkboxes are checked.
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(0)).value, isTrue);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(1)).value, isTrue);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(2)).value, isTrue);
// Tap the first checkbox.
await tester.tap(find.byType(Checkbox).at(0));
await tester.pumpAndSettle();
// The first checkbox is unchecked.
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(0)).value, isFalse);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(1)).value, isTrue);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(2)).value, isTrue);
// Tap the second checkbox.
await tester.tap(find.byType(Checkbox).at(1));
await tester.pumpAndSettle();
// The first and second checkboxes are unchecked.
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(0)).value, isFalse);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(1)).value, isFalse);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(2)).value, isTrue);
// Tap the third checkbox.
await tester.tap(find.byType(Checkbox).at(2));
await tester.pumpAndSettle();
// All checkboxes are unchecked.
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(0)).value, isFalse);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(1)).value, isFalse);
expect(tester.widget<Checkbox>(find.byType(Checkbox).at(2)).value, isFalse);
});
}