| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. 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:test/test.dart'; |
| import 'package:vm_service/vm_service.dart'; |
| |
| import 'common/test_helper.dart'; |
| |
| class Foo {} |
| |
| // Prevent TFA from removing this static field to ensure the objects are kept |
| // alive, so the allocation stats will report them via the service api. |
| @pragma('vm:entry-point') |
| List<Foo>? foos; |
| |
| void script() { |
| foos = [ |
| Foo(), |
| Foo(), |
| Foo(), |
| ]; |
| } |
| |
| var tests = <IsolateTest>[ |
| (VmService service, IsolateRef isolateRef) async { |
| var profile = await service.callMethod('_getAllocationProfile', |
| isolateId: isolateRef.id!) as AllocationProfile; |
| print(profile.runtimeType); |
| var classHeapStats = profile.members!.singleWhere((stats) { |
| return stats.classRef!.name == 'Foo'; |
| }); |
| expect(classHeapStats.instancesCurrent, 3); |
| expect(classHeapStats.instancesAccumulated, 3); |
| }, |
| ]; |
| |
| main(args) => runIsolateTests( |
| args, |
| tests, |
| 'allocations_test.dart', |
| testeeBefore: script, |
| ); |