packages/flutter/test/material/tab_controller_test.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/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';

void main() {
  testWidgets('$TabController dispatches creation in constructor.', (
    WidgetTester widgetTester,
  ) async {
    await expectLater(
      await memoryEvents(
        () async => TabController(length: 1, vsync: const TestVSync()).dispose(),
        TabController,
      ),
      areCreateAndDispose,
    );
  });
}