lib/web_ui/test/canvaskit/initialization/initialization_stores_config_test.dart

// Copyright 2013 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:js/js_util.dart' as js_util;
import 'package:test/bootstrap/browser.dart';
import 'package:test/test.dart';
import 'package:ui/src/engine.dart';

void main() {
  internalBootstrapBrowserTest(() => testMain);
}

void testMain() {
  group('initializeEngineServices', () {
    test('stores user configuration', () async {
      // dev/test_platform.dart injects a global configuration object. Let's
      // fetch that, override one of its properties (under test), then delete it
      // from window (so our configuration asserts don't fire!)
      final JsFlutterConfiguration config = js_util.getProperty(domWindow, 'flutterConfiguration');
      js_util.setProperty(config, 'canvasKitMaximumSurfaces', 32);
      js_util.setProperty(domWindow, 'flutterConfiguration', null);

      await initializeEngineServices(jsConfiguration: config);

      expect(configuration.canvasKitMaximumSurfaces, 32);
    });
  });
}