зеркало из https://github.com/mozilla/gecko-dev.git
59 строки
1.7 KiB
C++
59 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "chrome/common/ipc_message.h"
|
|
#include "chrome/common/ipc_message_utils.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
#include "mozilla/RandomNum.h"
|
|
#include "mozilla/ipc/RawShmem.h"
|
|
|
|
namespace mozilla::ipc {
|
|
|
|
static bool SerializeAndDeserialize(UnsafeSharedMemoryHandle&& aIn,
|
|
UnsafeSharedMemoryHandle* aOut) {
|
|
IPC::Message msg(MSG_ROUTING_NONE, 0);
|
|
{
|
|
IPC::MessageWriter writer(msg);
|
|
IPC::WriteParam(&writer, std::move(aIn));
|
|
}
|
|
|
|
IPC::MessageReader reader(msg);
|
|
return IPC::ReadParam(&reader, aOut);
|
|
}
|
|
|
|
void TestUnsafeSharedMemoryHandle(size_t aSize) {
|
|
auto maybeHandle = UnsafeSharedMemoryHandle::CreateAndMap(aSize);
|
|
ASSERT_TRUE(maybeHandle);
|
|
auto [handle, mapping] = maybeHandle.extract();
|
|
|
|
EXPECT_EQ(mapping.Size(), aSize);
|
|
|
|
auto inBytes = mapping.Bytes();
|
|
for (size_t i = 0; i < aSize; ++i) {
|
|
inBytes[i] = static_cast<uint8_t>(i % 255);
|
|
}
|
|
|
|
UnsafeSharedMemoryHandle out;
|
|
ASSERT_TRUE(SerializeAndDeserialize(std::move(handle), &out));
|
|
|
|
auto mapping2 = WritableSharedMemoryMapping::Open(std::move(out)).value();
|
|
|
|
EXPECT_EQ(mapping2.Size(), aSize);
|
|
auto outBytes = mapping2.Bytes();
|
|
for (size_t i = 0; i < aSize; ++i) {
|
|
EXPECT_EQ(outBytes[i], static_cast<uint8_t>(i % 255));
|
|
}
|
|
}
|
|
|
|
TEST(UnsafeSharedMemoryHandle, Empty)
|
|
{ TestUnsafeSharedMemoryHandle(0); }
|
|
|
|
TEST(UnsafeSharedMemoryHandle, SmallSize)
|
|
{ TestUnsafeSharedMemoryHandle(2048); }
|
|
|
|
} // namespace mozilla::ipc
|