| 1 | // Copyright 2014 The Flutter Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | import 'dart:js_interop'; |
| 6 | |
| 7 | import 'package:web/web.dart'as web; |
| 8 | |
| 9 | Future<void> main() async { |
| 10 | if (await testFetchResources()) { |
| 11 | print('--- TEST SUCCEEDED ---'); |
| 12 | } else { |
| 13 | print('--- TEST FAILED ---'); |
| 14 | } |
| 15 | } |
| 16 | |
| 17 | // Attempt to load CanvasKit resources hosted on gstatic. |
| 18 | Future<bool> testFetchResources() async { |
| 19 | const String engineVersion = String.fromEnvironment('TEST_FLUTTER_ENGINE_VERSION'); |
| 20 | if (engineVersion.isEmpty) { |
| 21 | return false; |
| 22 | } |
| 23 | try { |
| 24 | final web.Response response = await web.window.fetch( |
| 25 | 'https://www.gstatic.com/flutter-canvaskit/$engineVersion/canvaskit.js'.toJS, |
| 26 | web.RequestInit( |
| 27 | method: 'GET', |
| 28 | ), |
| 29 | ).toDart; |
| 30 | if (!response.ok) { |
| 31 | return false; |
| 32 | } |
| 33 | } catch (err) { |
| 34 | print(err); |
| 35 | return false; |
| 36 | } |
| 37 | try { |
| 38 | final web.Response response = await web.window.fetch( |
| 39 | 'https://www.gstatic.com/flutter-canvaskit/$engineVersion/canvaskit.wasm'.toJS, |
| 40 | web.RequestInit( |
| 41 | method: 'GET', |
| 42 | ) |
| 43 | ).toDart; |
| 44 | if (!response.ok) { |
| 45 | return false; |
| 46 | } |
| 47 | } catch (err) { |
| 48 | print(err); |
| 49 | return false; |
| 50 | } |
| 51 | return true; |
| 52 | } |
| 53 |