mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-04 23:19:27 +00:00
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
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* Copyright (c) 2024, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteString.h>
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#include <AK/StringView.h>
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#include <Kernel/API/Ioctl.h>
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#include <LibTest/TestCase.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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static int open_loop_device(int loop_device_index)
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{
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auto loop_device_path = ByteString::formatted("/dev/loop/{}", loop_device_index);
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return open(loop_device_path.view().characters_without_null_termination(), O_RDONLY);
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}
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TEST_CASE(create_attach_and_destory_loop_device)
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{
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constexpr char const* test_path = "/tmp/create_attach_and_destory_loop_device_test";
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int devctl_fd = open("/dev/devctl", O_RDONLY);
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VERIFY(devctl_fd >= 0);
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auto cleanup_devctl_fd_guard = ScopeGuard([&] {
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close(devctl_fd);
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});
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u8 buf[0x1000];
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memset(buf, 0, sizeof(buf));
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int fd = open(test_path, O_RDWR | O_CREAT, 0644);
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VERIFY(fd >= 0);
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auto cleanup_fd_guard = ScopeGuard([&] {
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close(fd);
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unlink(test_path);
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});
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auto rc = write(fd, buf, sizeof(buf));
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VERIFY(rc == sizeof(buf));
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int value = fd;
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auto create_result = ioctl(devctl_fd, DEVCTL_CREATE_LOOP_DEVICE, &value);
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EXPECT_EQ(create_result, 0);
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auto loop_device_index = value;
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auto loop_device_fd_or_error = open_loop_device(loop_device_index);
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EXPECT(loop_device_fd_or_error >= 0);
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auto cleanup_loop_device_fd_guard = ScopeGuard([&] {
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close(loop_device_fd_or_error);
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});
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auto destroy_result = ioctl(devctl_fd, DEVCTL_DESTROY_LOOP_DEVICE, &loop_device_index);
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EXPECT_EQ(destroy_result, 0);
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}
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