| // 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 'dart:developer' as developer; |
| |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:vm_service/vm_service.dart'; |
| import 'package:vm_service/vm_service_io.dart'; |
| |
| // This test ensures that the engine starts the VM with the timeline streams |
| // for "Dart", "Embedder", and "GC" recorded from startup. |
| |
| void main() { |
| late VmService vmService; |
| |
| setUpAll(() async { |
| final developer.ServiceProtocolInfo info = await developer.Service.getInfo(); |
| |
| if (info.serverUri == null) { |
| fail('This test _must_ be run with --enable-vmservice.'); |
| } |
| |
| vmService = await vmServiceConnectUri( |
| 'ws://localhost:${info.serverUri!.port}${info.serverUri!.path}ws', |
| ); |
| }); |
| |
| tearDownAll(() async { |
| await vmService.dispose(); |
| }); |
| |
| test('Image cache tracing', () async { |
| final TimelineFlags flags = await vmService.getVMTimelineFlags(); |
| expect(flags.recordedStreams, containsAll(<String>[ |
| 'Dart', |
| 'Embedder', |
| 'GC', |
| ])); |
| }, skip: isBrowser); // [intended] uses dart:isolate and io. |
| } |