Userland+Tests: Convert test_io to be LibTest based

Add a few extra tests as well, to make sure we don't have any future
TmpFs regressions.

1 files changed, 0 insertions, 316 deletions

diff --git a/Userland/Utilities/test_io.cpp b/Userland/Utilities/test_io.cpp
deleted file mode 100644
index 703a7e18fb..0000000000
--- a/Userland/Utilities/test_io.cpp
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <AK/Assertions.h>
-#include <AK/Types.h>
-#include <LibCore/File.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
-#include <unistd.h>
-
-#define EXPECT_ERROR_2(err, syscall, arg1, arg2)                                                                                   \
-    do {                                                                                                                           \
-        rc = syscall(arg1, arg2);                                                                                                  \
-        if (rc >= 0 || errno != err) {                                                                                             \
-            warnln(__FILE__ ":{}: Expected " #err ": " #syscall "({}, {}), got rc={}, errno={}", __LINE__, arg1, arg2, rc, errno); \
-        }                                                                                                                          \
-    } while (0)
-
-#define EXPECT_ERROR_3(err, syscall, arg1, arg2, arg3)                                                                                       \
-    do {                                                                                                                                     \
-        rc = syscall(arg1, arg2, arg3);                                                                                                      \
-        if (rc >= 0 || errno != err) {                                                                                                       \
-            warnln(__FILE__ ":{}: Expected " #err ": " #syscall "({}, {}, {}), got rc={}, errno={}", __LINE__, arg1, arg2, arg3, rc, errno); \
-        }                                                                                                                                    \
-    } while (0)
-
-static void test_read_from_directory()
-{
-    char buffer[BUFSIZ];
-    int fd = open("/", O_DIRECTORY | O_RDONLY);
-    VERIFY(fd >= 0);
-    int rc;
-    EXPECT_ERROR_3(EISDIR, read, fd, buffer, sizeof(buffer));
-    rc = close(fd);
-    VERIFY(rc == 0);
-}
-
-static void test_write_to_directory()
-{
-    char str[] = "oh frick";
-    int fd = open("/", O_DIRECTORY | O_RDONLY);
-    if (fd < 0)
-        perror("open");
-    VERIFY(fd >= 0);
-    int rc;
-    EXPECT_ERROR_3(EBADF, write, fd, str, sizeof(str));
-    rc = close(fd);
-    VERIFY(rc == 0);
-}
-
-static void test_read_from_writeonly()
-{
-    char buffer[BUFSIZ];
-    int fd = open("/tmp/xxxx123", O_CREAT | O_WRONLY);
-    VERIFY(fd >= 0);
-    int rc;
-    EXPECT_ERROR_3(EBADF, read, fd, buffer, sizeof(buffer));
-    rc = close(fd);
-    VERIFY(rc == 0);
-}
-
-static void test_write_to_readonly()
-{
-    char str[] = "hello";
-    int fd = open("/tmp/abcd123", O_CREAT | O_RDONLY);
-    VERIFY(fd >= 0);
-    int rc;
-    EXPECT_ERROR_3(EBADF, write, fd, str, sizeof(str));
-    rc = close(fd);
-    VERIFY(rc == 0);
-}
-
-static void test_read_past_eof()
-{
-    char buffer[BUFSIZ];
-    int fd = open("/home/anon/myfile.txt", O_RDONLY);
-    if (fd < 0)
-        perror("open");
-    VERIFY(fd >= 0);
-    int rc;
-    rc = lseek(fd, 9999, SEEK_SET);
-    if (rc < 0)
-        perror("lseek");
-    rc = read(fd, buffer, sizeof(buffer));
-    if (rc < 0)
-        perror("read");
-    if (rc > 0)
-        warnln("read {} bytes past EOF", rc);
-    rc = close(fd);
-    VERIFY(rc == 0);
-}
-
-static void test_ftruncate_readonly()
-{
-    int fd = open("/tmp/trunctest", O_RDONLY | O_CREAT, 0666);
-    VERIFY(fd >= 0);
-    int rc;
-    EXPECT_ERROR_2(EBADF, ftruncate, fd, 0);
-    close(fd);
-}
-
-static void test_ftruncate_negative()
-{
-    int fd = open("/tmp/trunctest", O_RDWR | O_CREAT, 0666);
-    VERIFY(fd >= 0);
-    int rc;
-    EXPECT_ERROR_2(EINVAL, ftruncate, fd, -1);
-    close(fd);
-}
-
-static void test_mmap_directory()
-{
-    int fd = open("/tmp", O_RDONLY | O_DIRECTORY);
-    VERIFY(fd >= 0);
-    auto* ptr = mmap(nullptr, 4096, PROT_READ, MAP_FILE | MAP_SHARED, fd, 0);
-    if (ptr != MAP_FAILED) {
-        warnln("Boo! mmap() of a directory succeeded!");
-        return;
-    }
-    if (errno != ENODEV) {
-        warnln("Boo! mmap() of a directory gave errno={} instead of ENODEV!", errno);
-        return;
-    }
-    close(fd);
-}
-
-static void test_tmpfs_read_past_end()
-{
-    int fd = open("/tmp/x", O_RDWR | O_CREAT | O_TRUNC, 0600);
-    VERIFY(fd >= 0);
-
-    int rc = ftruncate(fd, 1);
-    VERIFY(rc == 0);
-
-    rc = lseek(fd, 4096, SEEK_SET);
-    VERIFY(rc == 4096);
-
-    char buffer[16];
-    int nread = read(fd, buffer, sizeof(buffer));
-    if (nread != 0) {
-        warnln("Expected 0-length read past end of file in /tmp");
-    }
-    close(fd);
-}
-
-static void test_procfs_read_past_end()
-{
-    int fd = open("/proc/uptime", O_RDONLY);
-    VERIFY(fd >= 0);
-
-    int rc = lseek(fd, 4096, SEEK_SET);
-    VERIFY(rc == 4096);
-
-    char buffer[16];
-    int nread = read(fd, buffer, sizeof(buffer));
-    if (nread != 0) {
-        warnln("Expected 0-length read past end of file in /proc");
-    }
-    close(fd);
-}
-
-static void test_open_create_device()
-{
-    int fd = open("/tmp/fakedevice", (O_RDWR | O_CREAT), (S_IFCHR | 0600));
-    VERIFY(fd >= 0);
-
-    struct stat st;
-    if (fstat(fd, &st) < 0) {
-        perror("stat");
-        VERIFY_NOT_REACHED();
-    }
-
-    if (st.st_mode != 0100600) {
-        warnln("Expected mode 0100600 after attempt to create a device node with open(O_CREAT), mode={:o}", st.st_mode);
-    }
-    unlink("/tmp/fakedevice");
-    close(fd);
-}
-
-static void test_unlink_symlink()
-{
-    int rc = symlink("/proc/2/foo", "/tmp/linky");
-    if (rc < 0) {
-        perror("symlink");
-        VERIFY_NOT_REACHED();
-    }
-
-    auto target = Core::File::read_link("/tmp/linky");
-    VERIFY(target == "/proc/2/foo");
-
-    rc = unlink("/tmp/linky");
-    if (rc < 0) {
-        perror("unlink");
-        warnln("Expected unlink() of a symlink into an unreadable directory to succeed!");
-    }
-}
-
-static void test_eoverflow()
-{
-    int fd = open("/tmp/x", O_RDWR);
-    VERIFY(fd >= 0);
-
-    int rc = lseek(fd, INT32_MAX, SEEK_SET);
-    VERIFY(rc == INT32_MAX);
-
-    char buffer[16];
-    rc = read(fd, buffer, sizeof(buffer));
-    if (rc >= 0 || errno != EOVERFLOW) {
-        warnln("Expected EOVERFLOW when trying to read past INT32_MAX");
-    }
-    rc = write(fd, buffer, sizeof(buffer));
-    if (rc >= 0 || errno != EOVERFLOW) {
-        warnln("Expected EOVERFLOW when trying to write past INT32_MAX");
-    }
-    close(fd);
-}
-
-static void test_rmdir_while_inside_dir()
-{
-    int rc = mkdir("/home/anon/testdir", 0700);
-    VERIFY(rc == 0);
-
-    rc = chdir("/home/anon/testdir");
-    VERIFY(rc == 0);
-
-    rc = rmdir("/home/anon/testdir");
-    VERIFY(rc == 0);
-
-    int fd = open("x", O_CREAT | O_RDWR, 0600);
-    if (fd >= 0 || errno != ENOENT) {
-        warnln("Expected ENOENT when trying to create a file inside a deleted directory. Got {} with errno={}", fd, errno);
-    }
-
-    rc = chdir("/home/anon");
-    VERIFY(rc == 0);
-}
-
-static void test_writev()
-{
-    int pipefds[2];
-    pipe(pipefds);
-
-    iovec iov[2];
-    iov[0].iov_base = const_cast<void*>((const void*)"Hello");
-    iov[0].iov_len = 5;
-    iov[1].iov_base = const_cast<void*>((const void*)"Friends");
-    iov[1].iov_len = 7;
-    int nwritten = writev(pipefds[1], iov, 2);
-    if (nwritten < 0) {
-        perror("writev");
-        VERIFY_NOT_REACHED();
-    }
-    if (nwritten != 12) {
-        warnln("Didn't write 12 bytes to pipe with writev");
-        VERIFY_NOT_REACHED();
-    }
-
-    char buffer[32];
-    int nread = read(pipefds[0], buffer, sizeof(buffer));
-    if (nread != 12 || memcmp(buffer, "HelloFriends", 12)) {
-        warnln("Didn't read the expected data from pipe after writev");
-        VERIFY_NOT_REACHED();
-    }
-
-    close(pipefds[0]);
-    close(pipefds[1]);
-}
-
-static void test_rmdir_root()
-{
-    int rc = rmdir("/");
-    if (rc != -1 || errno != EBUSY) {
-        warnln("rmdir(/) didn't fail with EBUSY");
-        VERIFY_NOT_REACHED();
-    }
-}
-
-int main()
-{
-    int rc;
-    EXPECT_ERROR_2(ENOTDIR, open, "/dev/zero", (O_DIRECTORY | O_RDONLY));
-    EXPECT_ERROR_2(EINVAL, open, "/dev/zero", (O_DIRECTORY | O_CREAT | O_RDWR));
-    EXPECT_ERROR_2(EEXIST, open, "/dev/zero", (O_CREAT | O_EXCL | O_RDWR));
-    EXPECT_ERROR_2(EINVAL, open, "/tmp/abcdef", (O_DIRECTORY | O_CREAT | O_RDWR));
-    EXPECT_ERROR_2(EACCES, open, "/proc/all", (O_RDWR));
-    EXPECT_ERROR_2(ENOENT, open, "/boof/baaf/nonexistent", (O_CREAT | O_RDWR));
-    EXPECT_ERROR_2(EISDIR, open, "/tmp", (O_DIRECTORY | O_RDWR));
-
-    test_read_from_directory();
-    test_write_to_directory();
-    test_read_from_writeonly();
-    test_write_to_readonly();
-    test_read_past_eof();
-    test_ftruncate_readonly();
-    test_ftruncate_negative();
-    test_mmap_directory();
-    test_tmpfs_read_past_end();
-    test_procfs_read_past_end();
-    test_open_create_device();
-    test_unlink_symlink();
-    test_eoverflow();
-    test_rmdir_while_inside_dir();
-    test_writev();
-    test_rmdir_root();
-
-    EXPECT_ERROR_2(EPERM, link, "/", "/home/anon/lolroot");
-
-    return 0;
-}