|  | // 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. | 
|  |  | 
|  | import 'dart:ffi'; | 
|  |  | 
|  | import 'ffi_test_helpers.dart'; | 
|  |  | 
|  | main() { | 
|  | // Ensure we have FfiTrampolineData in heap. | 
|  | final malloc = DynamicLibrary.process() | 
|  | .lookup<NativeFunction<Pointer<Void> Function(IntPtr)>>("malloc") | 
|  | .asFunction<Pointer<Void> Function(int)>(); | 
|  | print(malloc); | 
|  |  | 
|  | triggerGc(); | 
|  |  | 
|  | final pointer = malloc(100); | 
|  |  | 
|  | print(pointer.address); | 
|  |  | 
|  | final free = DynamicLibrary.process() | 
|  | .lookupFunction<Void Function(Pointer), void Function(Pointer)>('free'); | 
|  | free(pointer); | 
|  | } |