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// Copyright (c) 2020, 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.
//
// VMOptions=
// VMOptions=--deterministic --optimization-counter-threshold=10
// VMOptions=--use-slow-path
// VMOptions=--use-slow-path --stacktrace-every=100
// VMOptions=--write-protect-code --no-dual-map-code
// VMOptions=--write-protect-code --no-dual-map-code --use-slow-path
// VMOptions=--write-protect-code --no-dual-map-code --stacktrace-every=100
// SharedObjects=ffi_test_functions
// @dart = 2.9
import 'dart:ffi';
import "package:expect/expect.dart";
import 'callback_tests_utils.dart';
import 'dylib_utils.dart';
void main() {
for (int i = 0; i < 100; ++i) {
testSumFloatsAndDoubles();
testSumFloatsAndDoublesCallback();
}
}
DynamicLibrary ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions");
final sumFloatsAndDoubles = ffiTestFunctions.lookupFunction<
Double Function(Float, Double, Float),
double Function(double, double, double)>("SumFloatsAndDoubles");
void testSumFloatsAndDoubles() {
Expect.approxEquals(6.0, sumFloatsAndDoubles(1.0, 2.0, 3.0));
}
void testSumFloatsAndDoublesCallback() {
CallbackTest(
"SumFloatsAndDoubles",
Pointer.fromFunction<Double Function(Float, Double, Float)>(
sumFloatsAndDoublesDart, 0.0))
.run();
}
double sumFloatsAndDoublesDart(double a, double b, double c) {
print("sumFloatsAndDoublesDart($a, $b, $c)");
return a + b + c;
}