Daco Harkes
3cfcc5a8e5
Revert submission 177862 Reason for revert: breaks g3 without https://github.com/flutter/engine/pull/23808 Reverted Changes: I50b3b4c31:[vm/ffi] Roll `package:ffi` to `Allocator` and `Op... I3f5b08c08:[vm/ffi] Change `Pointer<T extends Struct>.ref` to... I6141c193b:[vm/ffi] Disallow empty structs Change-Id: I128e7b096faea650e0ba0850a411eed3e97c00e6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180185 Reviewed-by: Daco Harkes <dacoharkes@google.com>
68 lines
1.5 KiB
Dart
68 lines
1.5 KiB
Dart
// 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.
|
|
|
|
import 'dart:ffi';
|
|
|
|
import "package:expect/expect.dart";
|
|
import "package:ffi/ffi.dart";
|
|
|
|
import 'calloc.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()
|
|
external int a;
|
|
}
|