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// 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/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
void main() {
testWidgetsWithLeakTracking('runApp uses deprecated pipelineOwner and renderView', (WidgetTester tester) async {
runApp(const SizedBox());
final RenderObject renderObject = tester.renderObject(find.byType(SizedBox));
RenderObject parent = renderObject;
while (parent.parent != null) {
parent = parent.parent!;
}
expect(parent, isA<RenderView>());
expect(parent, equals(tester.binding.renderView));
expect(renderObject.owner, equals(tester.binding.pipelineOwner));
});
testWidgetsWithLeakTracking('can manually attach RootWidget to build owner', (WidgetTester tester) async {
expect(find.byType(ColoredBox), findsNothing);
final RootWidget rootWidget = RootWidget(
child: View(
view: tester.view,
child: const ColoredBox(color: Colors.orange),
),
);
tester.binding.attachToBuildOwner(rootWidget);
await tester.pump();
expect(find.byType(ColoredBox), findsOneWidget);
expect(tester.binding.rootElement!.widget, equals(rootWidget));
expect(tester.element(find.byType(ColoredBox)).owner, equals(tester.binding.buildOwner));
});
}