| // Copyright (c) 2022, 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. |
| // |
| // SharedObjects=ffi_test_functions |
| // |
| // VMOptions=--trace-finalizers |
| |
| import 'dart:async'; |
| import 'dart:ffi'; |
| import 'dart:isolate'; |
| |
| import 'package:expect/expect.dart'; |
| import 'package:ffi/ffi.dart'; |
| |
| import 'dylib_utils.dart'; |
| import 'ffi_test_helpers.dart'; |
| |
| void main() async { |
| await testSendAndExitFinalizable(); |
| await testSendAndExitFinalizer(); |
| await testFinalizerRunsOnIsolateShutdown(); |
| print('End of test, shutting down.'); |
| } |
| |
| DynamicLibrary ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions"); |
| |
| void runIsolateAttachFinalizer(int address) { |
| final token = Pointer<IntPtr>.fromAddress(address); |
| createAndLoseFinalizable(token); |
| print('Isolate done.'); |
| } |
| |
| Future<void> testFinalizerRunsOnIsolateShutdown() async { |
| await using((Arena allocator) async { |
| final token = allocator<IntPtr>(); |
| Expect.equals(0, token.value); |
| final portExitMessage = ReceivePort(); |
| await Isolate.spawn( |
| runIsolateAttachFinalizer, |
| token.address, |
| onExit: portExitMessage.sendPort, |
| ); |
| await portExitMessage.first; |
| |
| doGC(); |
| Expect.equals(42, token.value); |
| }); |
| } |
| |
| Future<void> testSendAndExitFinalizable() async { |
| final receivePort = ReceivePort(); |
| await Isolate.spawn( |
| (SendPort sendPort) { |
| try { |
| Isolate.exit(sendPort, MyFinalizable()); |
| } catch (e) { |
| print('Expected exception: $e.'); |
| Isolate.exit(sendPort, e.toString()); |
| } |
| }, |
| receivePort.sendPort, |
| ); |
| final result = await receivePort.first; |
| Expect.contains("Invalid argument: is unsendable", result); |
| } |
| |
| Future<void> testSendAndExitFinalizer() async { |
| final receivePort = ReceivePort(); |
| await Isolate.spawn( |
| (SendPort sendPort) { |
| try { |
| Isolate.exit(sendPort, MyFinalizable()); |
| } catch (e) { |
| print('Expected exception: $e.'); |
| Isolate.exit(sendPort, e.toString()); |
| } |
| }, |
| receivePort.sendPort, |
| ); |
| final result = await receivePort.first; |
| Expect.contains("Invalid argument: is unsendable", result); |
| } |