blob: 9d96f411e4f8573d460c317fe67168a66ab6ef6e [file] [log] [blame]
// 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 = 2.9
import 'dart:ffi';
import "package:expect/expect.dart";
import "package:ffi/ffi.dart";
main(List<String> arguments) {
for (int i = 0; i < 100; i++) {
testStoreLoad();
testReifiedGeneric();
}
}
testStoreLoad() {
final p = calloc<Int8>(2);
p.value = 10;
Expect.equals(10, p.value);
p[1] = 20;
Expect.equals(20, p[1]);
if (sizeOf<IntPtr>() == 4) {
// Test round tripping.
Expect.equals(20, p.elementAt(0x100000001).value);
Expect.equals(20, p[0x100000001]);
}
// Test negative index.
final pUseNegative = p.elementAt(1);
Expect.equals(10, pUseNegative[-1]);
final p1 = calloc<Double>(2);
p1.value = 10.0;
Expect.approxEquals(10.0, p1.value);
p1[1] = 20.0;
Expect.approxEquals(20.0, p1[1]);
calloc.free(p1);
final p2 = calloc<Pointer<Int8>>(2);
p2.value = p;
Expect.equals(p, p2.value);
p2[1] = p;
Expect.equals(p, p2[1]);
calloc.free(p2);
calloc.free(p);
final p3 = calloc<Foo>();
Foo foo = p3.ref;
foo.a = 1;
Expect.equals(1, foo.a);
calloc.free(p3);
}
testReifiedGeneric() {
final p = calloc<Pointer<Int8>>();
Pointer<Pointer<NativeType>> p2 = p;
Expect.isTrue(p2.value is Pointer<Int8>);
calloc.free(p);
}
class Foo extends Struct {
@Int8()
int a;
}