mirror of
https://github.com/flutter/flutter
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50 lines
1.6 KiB
Dart
50 lines
1.6 KiB
Dart
// Copyright 2016 The Chromium 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 'package:flutter_driver/flutter_driver.dart';
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import 'package:test_api/test_api.dart' hide TypeMatcher, isInstanceOf;
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void main() {
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group('scrolling performance test', () {
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FlutterDriver driver;
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setUpAll(() async {
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driver = await FlutterDriver.connect();
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});
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tearDownAll(() async {
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if (driver != null)
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driver.close();
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});
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test('measure', () async {
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final Timeline timeline = await driver.traceAction(() async {
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await driver.tap(find.text('Material'));
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final SerializableFinder demoList = find.byValueKey('GalleryDemoList');
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// TODO(eseidel): These are very artificial scrolls, we should use better
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// https://github.com/flutter/flutter/issues/3316
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// Scroll down
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for (int i = 0; i < 5; i++) {
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await driver.scroll(demoList, 0.0, -300.0, const Duration(milliseconds: 300));
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await Future<void>.delayed(const Duration(milliseconds: 500));
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}
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// Scroll up
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for (int i = 0; i < 5; i++) {
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await driver.scroll(demoList, 0.0, 300.0, const Duration(milliseconds: 300));
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await Future<void>.delayed(const Duration(milliseconds: 500));
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}
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});
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TimelineSummary.summarize(timeline)
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..writeSummaryToFile('home_scroll_perf', pretty: true)
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..writeTimelineToFile('home_scroll_perf', pretty: true);
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});
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});
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}
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