flutter/dev/devicelab/bin/tasks/hello_world__memory.dart

37 lines
1.1 KiB
Dart

// 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 'package:flutter_devicelab/framework/framework.dart';
import 'package:flutter_devicelab/framework/utils.dart';
import 'package:flutter_devicelab/tasks/perf_tests.dart';
class HelloWorldMemoryTest extends MemoryTest {
HelloWorldMemoryTest() : super(
'${flutterDirectory.path}/examples/hello_world',
'lib/main.dart',
'io.flutter.examples.hello_world',
);
/// Launch an app with no instrumentation and measure its memory usage after
/// 1.5s and 3.0s.
@override
Future<void> useMemory() async {
print('launching $project$test on device...');
await flutter('run', options: <String>[
'--verbose',
'--release',
'--no-resident',
'-d', device!.deviceId,
test,
]);
await Future<void>.delayed(const Duration(milliseconds: 1500));
await recordStart();
await Future<void>.delayed(const Duration(milliseconds: 3000));
await recordEnd();
}
}
Future<void> main() async {
await task(HelloWorldMemoryTest().run);
}