mirror of
https://github.com/flutter/flutter.git
synced 2025-06-03 00:51:18 +00:00
44 lines
1.5 KiB
Dart
44 lines
1.5 KiB
Dart
import 'dart:io';
|
|
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter/rendering.dart';
|
|
import 'package:stocks/main.dart' as stocks;
|
|
import 'package:stocks/stock_data.dart' as stock_data;
|
|
|
|
const Duration kBenchmarkTime = const Duration(seconds: 15);
|
|
|
|
|
|
|
|
Future<Null> main() async {
|
|
assert(false); // don't run this in checked mode! Use --release.
|
|
stock_data.StockDataFetcher.actuallyFetchData = false;
|
|
|
|
final Stopwatch watch = new Stopwatch();
|
|
int iterations = 0;
|
|
|
|
await benchmarkWidgets((WidgetTester tester) async {
|
|
stocks.main();
|
|
await tester.pump(); // Start startup animation
|
|
await tester.pump(const Duration(seconds: 1)); // Complete startup animation
|
|
await tester.tapAt(new Point(20.0, 20.0)); // Open drawer
|
|
await tester.pump(); // Start drawer animation
|
|
await tester.pump(const Duration(seconds: 1)); // Complete drawer animation
|
|
|
|
final TestViewConfiguration big = new TestViewConfiguration(size: const Size(360.0, 640.0));
|
|
final TestViewConfiguration small = new TestViewConfiguration(size: const Size(355.0, 635.0));
|
|
final RenderView renderView = WidgetsBinding.instance.renderView;
|
|
|
|
watch.start();
|
|
while (watch.elapsed < kBenchmarkTime) {
|
|
renderView.configuration = (iterations % 2 == 0) ? big : small;
|
|
RendererBinding.instance.pipelineOwner.flushLayout();
|
|
iterations += 1;
|
|
}
|
|
watch.stop();
|
|
});
|
|
|
|
print('Stock layout: ${(watch.elapsedMicroseconds / iterations).toStringAsFixed(1)}µs per iteration');
|
|
exit(0);
|
|
}
|