|  | // Copyright (c) 2019, 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 | 
|  |  | 
|  | import 'dart:ffi'; | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | import 'dylib_utils.dart'; | 
|  |  | 
|  | class EVP_MD extends Opaque {} | 
|  |  | 
|  | DynamicLibrary ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions"); | 
|  |  | 
|  | final EVP_sha1 = ffiTestFunctions.lookupFunction<Pointer<EVP_MD> Function(), | 
|  | Pointer<EVP_MD> Function()>('LargePointer'); | 
|  |  | 
|  | main() { | 
|  | int result = EVP_sha1().address; | 
|  | // On 32 bit only the lowest 32 bits are returned, so only test those. | 
|  | result &= 0x00000000FFFFFFFF; | 
|  | Expect.equals(0x0000000082000000, result); | 
|  | } |