// Copyright 2014 The Flutter 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:ui' as ui; import 'package:flutter/services.dart'; import 'package:flutter_test/flutter_test.dart'; import '../common.dart'; const List<String> assets = <String>[ 'packages/flutter_gallery_assets/people/ali_landscape.png', 'packages/flutter_gallery_assets/monochrome/red-square-1024x1024.png', 'packages/flutter_gallery_assets/logos/flutter_white/logo.png', 'packages/flutter_gallery_assets/logos/fortnightly/fortnightly_logo.png', 'packages/flutter_gallery_assets/videos/bee.mp4', 'packages/flutter_gallery_assets/videos/butterfly.mp4', 'packages/flutter_gallery_assets/animated_images/animated_flutter_lgtm.gif', 'packages/flutter_gallery_assets/animated_images/animated_flutter_stickers.webp', 'packages/flutter_gallery_assets/food/butternut_squash_soup.png', 'packages/flutter_gallery_assets/food/cherry_pie.png', 'packages/flutter_gallery_assets/food/chopped_beet_leaves.png', 'packages/flutter_gallery_assets/food/fruits.png', 'packages/flutter_gallery_assets/food/pesto_pasta.png', 'packages/flutter_gallery_assets/food/roasted_chicken.png', 'packages/flutter_gallery_assets/food/spanakopita.png', 'packages/flutter_gallery_assets/food/spinach_onion_salad.png', 'packages/flutter_gallery_assets/food/icons/fish.png', 'packages/flutter_gallery_assets/food/icons/healthy.png', 'packages/flutter_gallery_assets/food/icons/main.png', 'packages/flutter_gallery_assets/food/icons/meat.png', 'packages/flutter_gallery_assets/food/icons/quick.png', 'packages/flutter_gallery_assets/food/icons/spicy.png', 'packages/flutter_gallery_assets/food/icons/veggie.png', 'packages/flutter_gallery_assets/logos/pesto/logo_small.png', 'packages/flutter_gallery_assets/places/india_chennai_flower_market.png', 'packages/flutter_gallery_assets/places/india_thanjavur_market.png', 'packages/flutter_gallery_assets/places/india_tanjore_bronze_works.png', 'packages/flutter_gallery_assets/places/india_tanjore_market_merchant.png', 'packages/flutter_gallery_assets/places/india_tanjore_thanjavur_temple.png', 'packages/flutter_gallery_assets/places/india_pondicherry_salt_farm.png', 'packages/flutter_gallery_assets/places/india_chennai_highway.png', 'packages/flutter_gallery_assets/places/india_chettinad_silk_maker.png', 'packages/flutter_gallery_assets/places/india_tanjore_thanjavur_temple_carvings.png', 'packages/flutter_gallery_assets/places/india_chettinad_produce.png', 'packages/flutter_gallery_assets/places/india_tanjore_market_technology.png', 'packages/flutter_gallery_assets/places/india_pondicherry_beach.png', 'packages/flutter_gallery_assets/places/india_pondicherry_fisherman.png', 'packages/flutter_gallery_assets/products/backpack.png', 'packages/flutter_gallery_assets/products/belt.png', 'packages/flutter_gallery_assets/products/cup.png', 'packages/flutter_gallery_assets/products/deskset.png', 'packages/flutter_gallery_assets/products/dress.png', 'packages/flutter_gallery_assets/products/earrings.png', 'packages/flutter_gallery_assets/products/flatwear.png', 'packages/flutter_gallery_assets/products/hat.png', 'packages/flutter_gallery_assets/products/jacket.png', 'packages/flutter_gallery_assets/products/jumper.png', 'packages/flutter_gallery_assets/products/kitchen_quattro.png', 'packages/flutter_gallery_assets/products/napkins.png', 'packages/flutter_gallery_assets/products/planters.png', 'packages/flutter_gallery_assets/products/platter.png', 'packages/flutter_gallery_assets/products/scarf.png', 'packages/flutter_gallery_assets/products/shirt.png', 'packages/flutter_gallery_assets/products/sunnies.png', 'packages/flutter_gallery_assets/products/sweater.png', 'packages/flutter_gallery_assets/products/sweats.png', 'packages/flutter_gallery_assets/products/table.png', 'packages/flutter_gallery_assets/products/teaset.png', 'packages/flutter_gallery_assets/products/top.png', 'packages/flutter_gallery_assets/people/square/ali.png', 'packages/flutter_gallery_assets/people/square/peter.png', 'packages/flutter_gallery_assets/people/square/sandra.png', 'packages/flutter_gallery_assets/people/square/stella.png', 'packages/flutter_gallery_assets/people/square/trevor.png', ]; // Measures the time it takes to load a fixed number of assets into an // immutable buffer to later be decoded by skia. Future<void> main() async { assert(false, "Don't run benchmarks in debug mode! Use 'flutter run --release'."); final Stopwatch watch = Stopwatch(); await benchmarkWidgets((WidgetTester tester) async { watch.start(); for (int i = 0; i < 10; i += 1) { await Future.wait(<Future<ui.ImmutableBuffer>>[ for (String asset in assets) rootBundle.loadBuffer(asset) ]); } watch.stop(); }); final BenchmarkResultPrinter printer = BenchmarkResultPrinter(); printer.addResult( description: 'Image loading', value: watch.elapsedMilliseconds.toDouble(), unit: 'ms', name: 'image_load_ms', ); printer.printToStdout(); }