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// Copyright 2018 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' hide TypeMatcher, isInstanceOf;
import 'package:macrobenchmarks/common.dart';
void main() {
const String kName = 'cull_opacity_perf';
test(kName, () async {
final FlutterDriver driver = await FlutterDriver.connect();
// The slight initial delay avoids starting the timing during a
// period of increased load on the device. Without this delay, the
// benchmark has greater noise.
// See: https://github.com/flutter/flutter/issues/19434
await Future<void>.delayed(const Duration(milliseconds: 250));
await driver.forceGC();
final SerializableFinder button = find.byValueKey(kCullOpacityRouteName);
expect(button, isNotNull);
await driver.tap(button);
// Wait for the page to load
await Future<void>.delayed(const Duration(seconds: 1));
final Timeline timeline = await driver.traceAction(() async {
await Future<void>.delayed(const Duration(seconds: 10));
});
final TimelineSummary summary = TimelineSummary.summarize(timeline);
summary.writeSummaryToFile(kName, pretty: true);
summary.writeTimelineToFile(kName, pretty: true);
driver.close();
});
}