blob: 30e074a99da53aa9c16e02a5e49159ede59a64cc [file] [log] [blame]
// 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;