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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /ipc/gtest/TestUnsafeSharedMemoryHandle.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | ipc/gtest/TestUnsafeSharedMemoryHandle.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/ipc/gtest/TestUnsafeSharedMemoryHandle.cpp b/ipc/gtest/TestUnsafeSharedMemoryHandle.cpp new file mode 100644 index 0000000000..6934ae0d4c --- /dev/null +++ b/ipc/gtest/TestUnsafeSharedMemoryHandle.cpp @@ -0,0 +1,58 @@ +/* -*- 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 |