| // 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. |
| |
| // @dart = 2.9 |
| |
| import 'dart:ffi'; |
| |
| import 'package:expect/expect.dart'; |
| import 'package:ffi/ffi.dart'; |
| |
| import 'coordinate.dart'; |
| |
| void main() { |
| testZeroInt(); |
| testZeroFloat(); |
| testZeroStruct(); |
| } |
| |
| void testZeroInt() { |
| final p = calloc<Uint8>(); |
| Expect.equals(0, p.value); |
| calloc.free(p); |
| } |
| |
| void testZeroFloat() { |
| final p = calloc<Float>(); |
| Expect.approxEquals(0.0, p.value); |
| calloc.free(p); |
| } |
| |
| void testZeroStruct() { |
| final p = calloc<Coordinate>(); |
| Expect.approxEquals(0, p.ref.x); |
| Expect.approxEquals(0, p.ref.y); |
| Expect.equals(nullptr, p.ref.next); |
| calloc.free(p); |
| } |