| // 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. |
| |
| // @dart = 2.9 |
| |
| // Dart test program for testing dart:ffi function pointers with callbacks. |
| // |
| // SharedObjects=ffi_test_functions |
| // VMOptions=--stacktrace-every=100 |
| // VMOptions=--use-slow-path |
| // VMOptions=--use-slow-path --stacktrace-every=100 |
| // VMOptions=--use-slow-path --write-protect-code --no-dual-map-code |
| // VMOptions=--use-slow-path --write-protect-code --no-dual-map-code --stacktrace-every=100 |
| // VMOptions=--write-protect-code --no-dual-map-code |
| // VMOptions=--write-protect-code --no-dual-map-code --stacktrace-every=100 |
| |
| import 'dart:ffi'; |
| |
| import 'ffi_test_helpers.dart'; |
| import 'callback_tests_utils.dart'; |
| import 'dylib_utils.dart'; |
| |
| typedef ReturnVoid = Void Function(); |
| |
| final testLibrary = dlopenPlatformSpecific("ffi_test_functions"); |
| |
| void testGC() { |
| triggerGc(); |
| } |
| |
| typedef WaitForHelperNative = Void Function(Pointer<Void>); |
| typedef WaitForHelper = void Function(Pointer<Void>); |
| |
| void waitForHelper(Pointer<Void> helper) { |
| print("helper: $helper"); |
| testLibrary.lookupFunction<WaitForHelperNative, WaitForHelper>( |
| "WaitForHelper")(helper); |
| } |
| |
| final testcases = [ |
| CallbackTest("GC", Pointer.fromFunction<ReturnVoid>(testGC)), |
| CallbackTest("UnprotectCode", |
| Pointer.fromFunction<WaitForHelperNative>(waitForHelper)), |
| ]; |
| |
| const double zeroPointZero = 0.0; |
| |
| // Correct type of exceptionalReturn argument to Pointer.fromFunction. |
| double testExceptionalReturn() { |
| Pointer.fromFunction<Double Function()>(testExceptionalReturn, 0.0); |
| Pointer.fromFunction<Double Function()>(testExceptionalReturn, zeroPointZero); |
| |
| return 0.0; |
| } |
| |
| void main() { |
| testExceptionalReturn(); |
| |
| testcases.forEach((t) => t.run()); |
| } |