tests/ffi/address_of_test.dart

// Copyright (c) 2024, 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.
//
// This file has been automatically generated. Please do not edit it manually.
// Generated by tests/ffi/generator/address_of_test_generator.dart.
//
// SharedObjects=ffi_test_functions
// VMOptions=
// VMOptions=--deterministic --optimization-counter-threshold=90
// VMOptions=--use-slow-path
// VMOptions=--use-slow-path --stacktrace-every=100

// ignore_for_file: unused_import

import 'dart:ffi';
import 'dart:typed_data';

import 'package:expect/expect.dart';

import 'address_of_generated_shared.dart';
import 'address_of_shared.dart';
import 'dylib_utils.dart';

final ffiTestFunctions = dlopenPlatformSpecific('ffi_test_functions');

void main() {
  // Force dlopen so @Native lookups in DynamicLibrary.process() succeed.
  dlopenGlobalPlatformSpecific('ffi_test_functions');

  for (int i = 0; i < 100; ++i) {
    testAddressOfInt8Array();
  }
}

final class Int8ArrayStruct extends Struct {
  @Array(20)
  external Array<Int8> array;
}

Array<Int8> makeInt8Array(int length) {
  assert(length == 20);
  final typedData = makeInt8List(length);
  final struct = Struct.create<Int8ArrayStruct>(typedData);
  return struct.array;
}

void testAddressOfInt8Array() {
  const length = 20;
  final array = makeInt8Array(length);
  final expectedResult = makeExpectedResultInt8(0, length);
  final result = Foo.takeInt8Pointer(array.address, length);
  Expect.equals(expectedResult, result);
}

class Foo {
  @Native<Int8 Function(Pointer<Int8>, Size)>(
    symbol: 'TakeInt8Pointer',
    isLeaf: true,
  )
  external static int takeInt8Pointer(Pointer<Int8> pointer, int length);
}