chromium/v8/test/unittests/utils/allocation-unittest.cc

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/utils/allocation.h"

#include "test/unittests/test-utils.h"

#if V8_OS_POSIX
#include <setjmp.h>
#include <signal.h>
#include <unistd.h>
#endif  // V8_OS_POSIX

#include "testing/gtest/include/gtest/gtest.h"

namespace v8 {
namespace internal {

// TODO(eholk): Add a windows version of permissions tests.
#if V8_OS_POSIX
namespace {

// These tests make sure the routines to allocate memory do so with the correct
// permissions.
//
// Unfortunately, there is no API to find the protection of a memory address,
// so instead we test permissions by installing a signal handler, probing a
// memory location and recovering from the fault.
//
// We don't test the execution permission because to do so we'd have to
// dynamically generate code and test if we can execute it.

class MemoryAllocationPermissionsTest : public TestWithPlatform { … };

sigjmp_buf MemoryAllocationPermissionsTest::continuation_;

}  // namespace

// TODO(almuthanna): This test was skipped because it causes a crash when it is
// ran on Fuchsia. This issue should be solved later on
// Ticket: https://crbug.com/1028617
#if !defined(V8_TARGET_OS_FUCHSIA)
TEST_F(MemoryAllocationPermissionsTest, DoTest) { … }
#endif

#endif  // V8_OS_POSIX

// Basic tests of allocation.

class AllocationTest : public TestWithPlatform { … };

TEST_F(AllocationTest, AllocateAndFree) { … }

TEST_F(AllocationTest, ReserveMemory) { … }

}  // namespace internal
}  // namespace v8