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8ad4cbe06e
For https://github.com/flutter/flutter/issues/24712
This test verifies that https://github.com/flutter/engine/pull/6923 will speedup the average rasterize time of this test from ~150ms to ~10ms
Please see non-auto-generated files in 37b21d9fb4
44 lines
1.4 KiB
Dart
44 lines
1.4 KiB
Dart
// Copyright 2018 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/test.dart' hide TypeMatcher, isInstanceOf;
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import 'package:macrobenchmarks/common.dart';
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void main() {
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const String kName = 'cull_opacity_perf';
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test(kName, () async {
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final FlutterDriver driver = await FlutterDriver.connect();
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// The slight initial delay avoids starting the timing during a
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// period of increased load on the device. Without this delay, the
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// benchmark has greater noise.
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// See: https://github.com/flutter/flutter/issues/19434
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await Future<void>.delayed(const Duration(milliseconds: 250));
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await driver.forceGC();
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final SerializableFinder button = find.byValueKey(kCullOpacityRouteName);
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expect(button, isNotNull);
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await driver.tap(button);
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// Wait for the page to load
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await Future<void>.delayed(const Duration(seconds: 1));
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final Timeline timeline = await driver.traceAction(() async {
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await Future<void>.delayed(const Duration(seconds: 10));
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});
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final TimelineSummary summary = TimelineSummary.summarize(timeline);
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summary.writeSummaryToFile(kName, pretty: true);
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summary.writeTimelineToFile(kName, pretty: true);
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driver.close();
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});
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}
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