blob: 48368fb36822c1604ad886fd8c0c39215cc53738 [file] [log] [blame]
// Copyright 2016 The Chromium 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:async';
import 'package:flutter_driver/flutter_driver.dart';
import 'package:test/test.dart';
void main() {
group('scrolling performance test', () {
FlutterDriver driver;
setUpAll(() async {
driver = await FlutterDriver.connect();
});
tearDownAll(() async {
if (driver != null)
driver.close();
});
test('measure', () async {
final Timeline timeline = await driver.traceAction(() async {
final SerializableFinder home = find.byValueKey('Gallery List');
expect(home, isNotNull);
await driver.tap(find.text('Vignettes'));
await driver.tap(find.text('Components'));
await driver.tap(find.text('Style'));
// TODO(eseidel): These are very artificial scrolls, we should use better
// https://github.com/flutter/flutter/issues/3316
// Scroll down
for (int i = 0; i < 5; i++) {
await driver.scroll(home, 0.0, -300.0, const Duration(milliseconds: 300));
await new Future<Null>.delayed(const Duration(milliseconds: 500));
}
// Scroll up
for (int i = 0; i < 5; i++) {
await driver.scroll(home, 0.0, 300.0, const Duration(milliseconds: 300));
await new Future<Null>.delayed(const Duration(milliseconds: 500));
}
});
new TimelineSummary.summarize(timeline)
..writeSummaryToFile('home_scroll_perf', pretty: true)
..writeTimelineToFile('home_scroll_perf', pretty: true);
});
});
}