blob: f5b6500ac569a1d3bf74e28e61dab6e6c0f8ba8d [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 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
void main() {
testWidgetsWithLeakTracking("builder doesn't get called if app doesn't change", (WidgetTester tester) async {
final List<String> log = <String>[];
final Widget app = MaterialApp(
home: const Placeholder(),
builder: (BuildContext context, Widget? child) {
log.add('build');
expect(Directionality.of(context), TextDirection.ltr);
expect(child, isA<FocusScope>());
return const Placeholder();
},
);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.rtl,
child: app,
),
);
expect(log, <String>['build']);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: app,
),
);
expect(log, <String>['build']);
});
testWidgetsWithLeakTracking("builder doesn't get called if app doesn't change", (WidgetTester tester) async {
final List<String> log = <String>[];
await tester.pumpWidget(
MaterialApp(
home: Builder(
builder: (BuildContext context) {
log.add('build');
expect(Directionality.of(context), TextDirection.rtl);
return const Placeholder();
},
),
builder: (BuildContext context, Widget? child) {
return Directionality(
textDirection: TextDirection.rtl,
child: child!,
);
},
),
);
expect(log, <String>['build']);
});
}