packages/flutter/test_fixes/material/app_bar.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';

void main() {
  // Changes made in https://github.com/flutter/flutter/pull/86198
  AppBar appBar = AppBar();
  appBar = AppBar(brightness: Brightness.light);
  appBar = AppBar(brightness: Brightness.dark);
  appBar = AppBar(error: '');
  appBar.brightness;

  TextTheme myTextTheme = TextTheme();
  AppBar appBar = AppBar();
  appBar = AppBar(textTheme: myTextTheme);
  appBar = AppBar(textTheme: myTextTheme);

  AppBar appBar = AppBar();
  appBar = AppBar(backwardsCompatibility: true);
  appBar = AppBar(backwardsCompatibility: false));
  appBar.backwardsCompatibility; // Removing field reference not supported.
}