llvm/llvm/unittests/Support/MemoryTest.cpp

//===- llvm/unittest/Support/AllocatorTest.cpp - BumpPtrAllocator tests ---===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "llvm/Support/Memory.h"
#include "llvm/Support/Process.h"
#include "gtest/gtest.h"
#include <cstdlib>

#if defined(__NetBSD__)
// clang-format off
#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <err.h>
#include <unistd.h>
// clang-format on
#endif

usingnamespacellvm;
usingnamespacesys;

namespace {

bool IsMPROTECT() { … }

class MappedMemoryTest : public ::testing::TestWithParam<unsigned> { … };

// MPROTECT prevents W+X mmaps
#define CHECK_UNSUPPORTED() …

TEST_P(MappedMemoryTest, AllocAndRelease) { … }

TEST_P(MappedMemoryTest, AllocAndReleaseHuge) { … }

TEST_P(MappedMemoryTest, MultipleAllocAndRelease) { … }

TEST_P(MappedMemoryTest, BasicWrite) { … }

TEST_P(MappedMemoryTest, MultipleWrite) { … }

TEST_P(MappedMemoryTest, EnabledWrite) { … }

TEST_P(MappedMemoryTest, SuccessiveNear) { … }

TEST_P(MappedMemoryTest, DuplicateNear) { … }

TEST_P(MappedMemoryTest, ZeroNear) { … }

TEST_P(MappedMemoryTest, ZeroSizeNear) { … }

TEST_P(MappedMemoryTest, UnalignedNear) { … }

// Note that Memory::MF_WRITE is not supported exclusively across
// operating systems and architectures and can imply MF_READ|MF_WRITE
unsigned MemoryFlags[] = …;

INSTANTIATE_TEST_SUITE_P(…);

}  // anonymous namespace