| // 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 'package:expect/expect.dart'; |
| |
| void main() { |
| final a = <int>[]; |
| final b = <int>[]; |
| for (int i = 0; i < 10; ++i) { |
| // Several pointers for same call site. |
| a.add( |
| Pointer.fromFunction<Int Function()>(nativeToDartCallback, 0).address); |
| b.add( |
| Pointer.fromFunction<Int Function()>(nativeToDartCallback, 1).address); |
| } |
| |
| ensureEqualEntries(a); |
| ensureEqualEntries(b); |
| |
| // The two functions have different exceptional return and should have |
| // therefore a different ffi trampoline. |
| Expect.notEquals(a.first, b.first); |
| } |
| |
| void ensureEqualEntries(List<int> entries) { |
| final first = entries.first; |
| for (int i = 1; i < entries.length; ++i) { |
| Expect.equals(first, entries[i]); |
| } |
| } |
| |
| int nativeToDartCallback() => 42; |