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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>
38 lines
1.2 KiB
Dart
38 lines
1.2 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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//
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// Dart test program for testing dart:ffi primitive data pointers.
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//
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// These callocs trigger an asan alarm, so these tests are in a separate file
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// which is excluded in asan mode.
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// @dart = 2.9
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import 'dart:ffi';
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import "package:ffi/ffi.dart";
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import "package:expect/expect.dart";
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void main() {
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testPointerAllocateTooLarge();
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testPointerAllocateNegative();
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}
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void testPointerAllocateTooLarge() {
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// Try to allocate something that doesn't fit in 64 bit address space.
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int maxInt = 9223372036854775807; // 2^63 - 1
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Expect.throws(() => calloc<Int64>(maxInt));
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// Try to allocate almost the full 64 bit address space.
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int maxInt1_8 = 1152921504606846975; // 2^60 -1
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Expect.throws(() => calloc<Int64>(maxInt1_8));
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}
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void testPointerAllocateNegative() {
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// Passing in -1 will be converted into an unsigned integer. So, it will try
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// to allocate SIZE_MAX - 1 + 1 bytes. This will fail as it is the max amount
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// of addressable memory on the system.
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Expect.throws(() => calloc<Int8>(-1));
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}
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