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// 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 test program for testing dart:ffi function pointers with callbacks.
//
// VMOptions=--stacktrace-every=100
// VMOptions=--write-protect-code --no-dual-map-code
// VMOptions=--write-protect-code --no-dual-map-code --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
// SharedObjects=ffi_test_functions
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());
}