flutter/examples/api/test/cupertino/checkbox/cupertino_checkbox.0_test.dart
2024-07-16 16:54:02 +00:00

42 lines
1.3 KiB
Dart

// 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/cupertino.dart';
import 'package:flutter_api_samples/cupertino/checkbox/cupertino_checkbox.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Checkbox can be checked', (WidgetTester tester) async {
await tester.pumpWidget(
const example.CupertinoCheckboxApp(),
);
CupertinoCheckbox checkbox = tester.widget(find.byType(CupertinoCheckbox));
// Verify the initial state of the checkbox.
expect(checkbox.value, isTrue);
expect(checkbox.tristate, isTrue);
// Tap the checkbox and verify the state change.
await tester.tap(find.byType(CupertinoCheckbox));
await tester.pump();
checkbox = tester.widget(find.byType(CupertinoCheckbox));
expect(checkbox.value, isNull);
// Tap the checkbox and verify the state change.
await tester.tap(find.byType(CupertinoCheckbox));
await tester.pump();
checkbox = tester.widget(find.byType(CupertinoCheckbox));
expect(checkbox.value, isFalse);
await tester.tap(find.byType(CupertinoCheckbox));
await tester.pump();
checkbox = tester.widget(find.byType(CupertinoCheckbox));
expect(checkbox.value, isTrue);
});
}