blob: 38b6f5187f3a67771d56f67daf48f27b6856c0ca [file] [log] [blame]
// 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.
/// @assertion Represents a native pointer-sized integer in C.
///
/// @description Checks that this represents a native pointer-sized integer in C.
/// @author sgrekhov@unipro.ru
import "dart:ffi";
import "package:ffi/ffi.dart";
import "../../../Utils/expect.dart";
void main() {
Pointer<IntPtr> p1 = calloc<IntPtr>();
try {
Expect.equals(0, p1.value);
p1.value = 42;
Expect.equals(42, p1.value);
p1.value = -42;
Expect.equals(-42, p1.value);
p1.value = 256;
Expect.equals(256, p1.value);
p1.value = 32767;
Expect.equals(32767, p1.value);
p1.value = 32768;
Expect.equals(32768, p1.value);
p1.value = -32769;
Expect.equals(-32769, p1.value);
if (sizeOf<IntPtr>() == 4) {
p1.value = 2147483647;
Expect.equals(2147483647, p1.value);
p1.value = 2147483648;
Expect.equals(-2147483648, p1.value);
p1.value = -2147483649;
Expect.equals(2147483647, p1.value);
}
} finally {
calloc.free(p1);
}
}