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Using it, a Flutter app can monitor missing frames in the release mode, and a custom Flutter runner (e.g., Fuchsia) can add a custom FrameRasterizedCallback. Related issues: https://github.com/flutter/flutter/issues/26154 https://github.com/flutter/flutter/issues/31444 https://github.com/flutter/flutter/issues/32447 Need review as soon as possible so we can merge this before the end of May to catch the milestone. Tests added: * NoNeedToReportTimingsByDefault * NeedsReportTimingsIsSetWithCallback * ReportTimingsIsCalled * FrameRasterizedCallbackIsCalled * FrameTimingSetsAndGetsProperly * onReportTimings preserves callback zone * FrameTiming.toString has the correct format This will need a manual engine roll as the TestWindow defined in the framework needs to implement onReportTimings.
28 lines
909 B
Dart
28 lines
909 B
Dart
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'dart:typed_data';
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import 'dart:ui';
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import 'package:test/test.dart';
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void main() {
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test('window.sendPlatformMessage preserves callback zone', () {
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runZoned(() {
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final Zone innerZone = Zone.current;
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window.sendPlatformMessage('test', ByteData.view(Uint8List(0).buffer), expectAsync1((ByteData data) {
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final Zone runZone = Zone.current;
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expect(runZone, isNotNull);
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expect(runZone, same(innerZone));
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}));
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});
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});
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test('FrameTiming.toString has the correct format', () {
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FrameTiming timing = FrameTiming(<int>[1000, 8000, 9000, 19500]);
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expect(timing.toString(), 'FrameTiming(buildDuration: 7.0ms, rasterDuration: 10.5ms, totalSpan: 18.5ms)');
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});
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}
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