blob: 9ceeca7ff1b050b73d45a2c83783a67e54f7ccc3 [file] [log] [blame]
// Copyright 2017 The Fuchsia 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 <fcntl.h>
#include <lib/fdio/fd.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <zircon/errors.h>
#include <zircon/types.h>
#include <fbl/unique_fd.h>
#include "src/storage/fs_test/fs_test_fixture.h"
namespace fs_test {
namespace {
using CloneTest = FilesystemTest;
TEST_P(CloneTest, SimpleClone) {
std::string file = GetPath("file");
fbl::unique_fd fd(open(file.c_str(), O_RDWR | O_CREAT, 0644));
zx_handle_t handle = ZX_HANDLE_INVALID;
ASSERT_EQ(fdio_fd_clone(fd.get(), &handle), ZX_OK);
fbl::unique_fd fd2(-1);
int fd_out;
ASSERT_EQ(fdio_fd_create(handle, &fd_out), ZX_OK);
// Output from one fd...
char output[5];
memset(output, 'a', sizeof(output));
ASSERT_EQ(write(fd.get(), output, sizeof(output)), static_cast<ssize_t>(sizeof(output)));
ASSERT_EQ(lseek(fd.get(), 0, SEEK_SET), 0);
// ... Should be visible to the other fd.
char input[5];
ASSERT_EQ(read(fd2.get(), input, sizeof(input)), static_cast<ssize_t>(sizeof(input)));
ASSERT_EQ(memcmp(input, output, sizeof(input)), 0);
// Clean up
ASSERT_EQ(close(fd.release()), 0);
ASSERT_EQ(close(fd2.release()), 0);
ASSERT_EQ(unlink(file.c_str()), 0);
INSTANTIATE_TEST_SUITE_P(/*no prefix*/, CloneTest, testing::ValuesIn(AllTestFilesystems()),
} // namespace
} // namespace fs_test