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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
68 lines
1.4 KiB
Dart
68 lines
1.4 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.9
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import 'dart:ffi';
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import "package:expect/expect.dart";
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import "package:ffi/ffi.dart";
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main(List<String> arguments) {
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for (int i = 0; i < 100; i++) {
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testStoreLoad();
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testReifiedGeneric();
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}
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}
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testStoreLoad() {
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final p = calloc<Int8>(2);
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p.value = 10;
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Expect.equals(10, p.value);
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p[1] = 20;
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Expect.equals(20, p[1]);
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if (sizeOf<IntPtr>() == 4) {
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// Test round tripping.
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Expect.equals(20, p.elementAt(0x100000001).value);
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Expect.equals(20, p[0x100000001]);
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}
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// Test negative index.
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final pUseNegative = p.elementAt(1);
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Expect.equals(10, pUseNegative[-1]);
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final p1 = calloc<Double>(2);
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p1.value = 10.0;
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Expect.approxEquals(10.0, p1.value);
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p1[1] = 20.0;
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Expect.approxEquals(20.0, p1[1]);
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calloc.free(p1);
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final p2 = calloc<Pointer<Int8>>(2);
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p2.value = p;
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Expect.equals(p, p2.value);
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p2[1] = p;
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Expect.equals(p, p2[1]);
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calloc.free(p2);
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calloc.free(p);
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final p3 = calloc<Foo>();
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Foo foo = p3.ref;
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foo.a = 1;
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Expect.equals(1, foo.a);
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calloc.free(p3);
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}
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testReifiedGeneric() {
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final p = calloc<Pointer<Int8>>();
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Pointer<Pointer<NativeType>> p2 = p;
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Expect.isTrue(p2.value is Pointer<Int8>);
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calloc.free(p);
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}
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class Foo extends Struct {
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@Int8()
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int a;
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}
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