blob: 3d051731be3f1fff1a4470b9308b630c3d6958a5 [file] [log] [blame]
// Copyright (c) 2021, 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 'dart:io';
import 'package:expect/expect.dart';
import 'dylib_utils.dart';
import 'ffi_test_helpers.dart';
import 'callback_tests_utils.dart';
DynamicLibrary ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions");
testLeafCall() {
// Note: This test currently fails on Windows AOT:
// Regular calls should transition generated -> native.
final isThreadInGenerated = ffiTestFunctions.lookupFunction<
Int8 Function(), int Function()>("IsThreadInGenerated");
Expect.equals(0, isThreadInGenerated());
// Leaf calls should remain in generated state.
final isThreadInGeneratedLeaf = ffiTestFunctions.lookupFunction<
Int8 Function(), int Function()>("IsThreadInGenerated", isLeaf: true);
Expect.equals(1, isThreadInGeneratedLeaf());
testLeafCallApi() {
// Note: This will only crash as expected in debug build mode. In other modes
// it's effectively skip.
final f = ffiTestFunctions.lookupFunction<
Void Function(), void Function()>("TestLeafCallApi", isLeaf: true);
// Calling Dart_.. API is unsafe from leaf calls since we explicitly haven't
// made the generated -> native transition.
void nop() {}
testCallbackLeaf() {
// This should crash with "expected: T->IsAtSafepoint()", since it's unsafe to
// do callbacks from leaf calls (otherwise they wouldn't be leaf calls).
// Note: This will only crash as expected in debug build mode. In other modes
// it's effectively skip.
CallbackTest("CallbackLeaf", Pointer.fromFunction<Void Function()>(nop),
main() {
testLeafCall(); //# 01: ok
// These tests terminate the process after successful completion, so we have
// to run them separately.
// Since they use signal handlers they only run on Linux.
if (Platform.isLinux && !const bool.fromEnvironment("dart.vm.product")) {
testLeafCallApi(); //# 02: ok
testCallbackLeaf(); //# 03: ok