glibc/dirent/tst-scandir.c

299 lines
6.8 KiB
C
Raw Normal View History

2015-05-13 21:33:41 +02:00
/* Basic test for scandir function.
Copyright (C) 2015-2017 Free Software Foundation, Inc.
2015-05-13 21:33:41 +02:00
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
Add missing header files throughout the testsuite. * crypt/md5.h: Test _LIBC with #if defined, not #if. * dirent/opendir-tst1.c: Include sys/stat.h. * dirent/tst-fdopendir.c: Include sys/stat.h. * dirent/tst-fdopendir2.c: Include stdlib.h. * dirent/tst-scandir.c: Include stdbool.h. * elf/tst-auditmod1.c: Include link.h and stddef.h. * elf/tst-tls15.c: Include stdlib.h. * elf/tst-tls16.c: Include stdlib.h. * elf/tst-tls17.c: Include stdlib.h. * elf/tst-tls18.c: Include stdlib.h. * iconv/tst-iconv6.c: Include endian.h. * iconvdata/bug-iconv11.c: Include limits.h. * io/test-utime.c: Include stdint.h. * io/tst-faccessat.c: Include sys/stat.h. * io/tst-fchmodat.c: Include sys/stat.h. * io/tst-fchownat.c: Include sys/stat.h. * io/tst-fstatat.c: Include sys/stat.h. * io/tst-futimesat.c: Include sys/stat.h. * io/tst-linkat.c: Include sys/stat.h. * io/tst-mkdirat.c: Include sys/stat.h and stdbool.h. * io/tst-mkfifoat.c: Include sys/stat.h and stdbool.h. * io/tst-mknodat.c: Include sys/stat.h and stdbool.h. * io/tst-openat.c: Include stdbool.h. * io/tst-readlinkat.c: Include sys/stat.h. * io/tst-renameat.c: Include sys/stat.h. * io/tst-symlinkat.c: Include sys/stat.h. * io/tst-unlinkat.c: Include stdbool.h. * libio/bug-memstream1.c: Include stdlib.h. * libio/bug-wmemstream1.c: Include stdlib.h. * libio/tst-fwrite-error.c: Include stdlib.h. * libio/tst-memstream1.c: Include stdlib.h. * libio/tst-memstream2.c: Include stdlib.h. * libio/tst-memstream3.c: Include stdlib.h. * malloc/tst-interpose-aux.c: Include stdint.h. * misc/tst-preadvwritev-common.c: Include sys/stat.h. * nptl/tst-basic7.c: Include limits.h. * nptl/tst-cancel25.c: Include pthread.h, not pthreadP.h. * nptl/tst-cancel4.c: Include stddef.h, limits.h, and sys/stat.h. * nptl/tst-cancel4_1.c: Include stddef.h. * nptl/tst-cancel4_2.c: Include stddef.h. * nptl/tst-cond16.c: Include limits.h. Use sysconf(_SC_PAGESIZE) instead of __getpagesize. * nptl/tst-cond18.c: Include limits.h. Use sysconf(_SC_PAGESIZE) instead of __getpagesize. * nptl/tst-cond4.c: Include stdint.h. * nptl/tst-cond6.c: Include stdint.h. * nptl/tst-stack2.c: Include limits.h. * nptl/tst-stackguard1.c: Include stddef.h. * nptl/tst-tls4.c: Include stdint.h. Don't include tls.h. * nptl/tst-tls4moda.c: Include stddef.h. Don't include stdio.h, unistd.h, or tls.h. * nptl/tst-tls4modb.c: Include stddef.h. Don't include stdio.h, unistd.h, or tls.h. * nptl/tst-tls5.h: Include stddef.h. Don't include stdlib.h or tls.h. * posix/tst-getaddrinfo2.c: Include stdio.h. * posix/tst-getaddrinfo5.c: Include stdio.h. * posix/tst-pathconf.c: Include sys/stat.h. * posix/tst-posix_fadvise-common.c: Include stdint.h. * posix/tst-preadwrite-common.c: Include sys/stat.h. * posix/tst-regex.c: Include stdint.h. Don't include spawn.h or spawn_int.h. * posix/tst-regexloc.c: Don't include spawn.h or spawn_int.h. * posix/tst-vfork3.c: Include sys/stat.h. * resolv/tst-bug18665-tcp.c: Include stdlib.h. * resolv/tst-res_hconf_reorder.c: Include stdlib.h. * resolv/tst-resolv-search.c: Include stdlib.h. * stdio-common/tst-fmemopen2.c: Include stdint.h. * stdio-common/tst-vfprintf-width-prec.c: Include stdlib.h. * stdlib/test-canon.c: Include sys/stat.h. * stdlib/tst-tls-atexit.c: Include stdbool.h. * string/test-memchr.c: Include stdint.h. * string/tst-cmp.c: Include stdint.h. * sysdeps/pthread/tst-timer.c: Include stdint.h. * sysdeps/unix/sysv/linux/tst-sync_file_range.c: Include stdint.h. * sysdeps/wordsize-64/tst-writev.c: Include limits.h and stdint.h. * sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h. Don't include init-arch.h. * sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h. Don't include init-arch.h. * sysdeps/x86_64/tst-auditmod10b.c: Include link.h and stddef.h. * sysdeps/x86_64/tst-auditmod3b.c: Include link.h and stddef.h. * sysdeps/x86_64/tst-auditmod4b.c: Include link.h and stddef.h. * sysdeps/x86_64/tst-auditmod5b.c: Include link.h and stddef.h. * sysdeps/x86_64/tst-auditmod6b.c: Include link.h and stddef.h. * sysdeps/x86_64/tst-auditmod6c.c: Include link.h and stddef.h. * sysdeps/x86_64/tst-auditmod7b.c: Include link.h and stddef.h. * time/clocktest.c: Include stdint.h. * time/tst-posixtz.c: Include stdint.h. * timezone/tst-timezone.c: Include stdint.h.
2017-02-16 23:31:42 +01:00
#include <stdbool.h>
2015-05-13 21:33:41 +02:00
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef D
# define D(x) x
#endif
static void prepare (void);
static int do_test (void);
#define PREPARE(argc, argv) prepare ()
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
static const char *scandir_test_dir;
static void
prepare (void)
{
size_t test_dir_len = strlen (test_dir);
static const char dir_name[] = "/tst-scandir.XXXXXX";
size_t dirbuflen = test_dir_len + sizeof (dir_name);
char *dirbuf = malloc (dirbuflen);
if (dirbuf == NULL)
{
puts ("out of memory");
exit (1);
}
snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
if (mkdtemp (dirbuf) == NULL)
{
puts ("cannot create temporary directory");
exit (1);
}
add_temp_file (dirbuf);
scandir_test_dir = dirbuf;
}
/* The directory should be empty save the . and .. files. */
static void
verify_empty (const char *dirname)
{
DIR *dir = opendir (dirname);
if (dir == NULL)
{
printf ("opendir (%s): %s\n", dirname, strerror (errno));
exit (1);
}
struct dirent64 *d;
while ((d = readdir64 (dir)) != NULL)
if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
{
printf ("temp directory contains file \"%s\"\n", d->d_name);
exit (1);
}
closedir (dir);
}
static void
make_file (const char *dirname, const char *filename)
{
char *name = NULL;
if (asprintf (&name, "%s/%s", dirname, filename) < 0)
{
puts ("out of memory");
exit (1);
}
int fd = open (name, O_WRONLY | O_CREAT | O_EXCL, 0600);
if (fd < 0)
{
printf ("cannot create \"%s\": %s\n", name, strerror (errno));
exit (1);
}
close (fd);
free (name);
}
static void
remove_file (const char *dirname, const char *filename)
{
char *name = NULL;
if (asprintf (&name, "%s/%s", dirname, filename) < 0)
{
puts ("out of memory");
exit (1);
}
remove (name);
free (name);
}
static void
freelist (struct D(dirent) **list, size_t n)
{
for (size_t i = 0; i < n; ++i)
free (list[i]);
free (list);
}
static int
select_a (const struct D(dirent) *d)
{
return d->d_name[0] == 'a';
}
static int
do_test (void)
{
verify_empty (scandir_test_dir);
make_file (scandir_test_dir, "c");
make_file (scandir_test_dir, "aa");
make_file (scandir_test_dir, "b");
make_file (scandir_test_dir, "a");
/* First a basic test with no select or compare functions. */
struct D(dirent) **list;
int n = D(scandir) (scandir_test_dir, &list, NULL, NULL);
if (n < 0)
{
printf ("scandir failed on %s: %s\n",
scandir_test_dir, strerror (errno));
return 1;
}
if (n != 6)
{
printf ("scandir returned %d entries instead of 6\n", n);
return 1;
}
struct
{
const char *name;
bool found;
} expected[] =
{
{ ".", },
{ "..", },
{ "a", },
{ "aa", },
{ "b", },
{ "c", },
};
/* Verify the results, ignoring the order. */
for (int i = 0; i < n; ++i)
{
for (size_t j = 0; j < sizeof expected / sizeof expected[0]; ++j)
if (!strcmp (list[i]->d_name, expected[j].name))
{
expected[j].found = true;
goto found;
}
printf ("scandir yields unexpected entry [%d] \"%s\"\n",
i, list[i]->d_name);
return 1;
found:;
}
for (size_t j = 0; j < sizeof expected / sizeof expected[0]; ++j)
if (!expected[j].found)
{
printf ("failed to produce \"%s\"\n", expected[j].name);
return 1;
}
freelist (list, n);
/* Now a test with a comparison function. */
n = D(scandir) (scandir_test_dir, &list, NULL, &D(alphasort));
if (n < 0)
{
printf ("scandir failed on %s: %s\n",
scandir_test_dir, strerror (errno));
return 1;
}
if (n != 6)
{
printf ("scandir returned %d entries instead of 6\n", n);
return 1;
}
assert (sizeof expected / sizeof expected[0] == 6);
for (int i = 0; i < n; ++i)
if (strcmp (list[i]->d_name, expected[i].name))
{
printf ("scandir yields [%d] of \"%s\", expected \"%s\"\n",
i, list[i]->d_name, expected[i].name);
return 1;
}
freelist (list, n);
/* Now a test with a select function but no comparison function. */
n = D(scandir) (scandir_test_dir, &list, &select_a, NULL);
if (n < 0)
{
printf ("scandir failed on %s: %s\n",
scandir_test_dir, strerror (errno));
return 1;
}
if (n != 2)
{
printf ("scandir returned %d entries instead of 2\n", n);
return 1;
}
if (strcmp (list[0]->d_name, "a") && strcmp (list[0]->d_name, "aa"))
{
printf ("scandir yields [0] \"%s\", expected \"a\" or \"aa\"\n",
list[0]->d_name);
return 1;
}
if (strcmp (list[1]->d_name, "a") && strcmp (list[1]->d_name, "aa"))
{
printf ("scandir yields [1] \"%s\", expected \"a\" or \"aa\"\n",
list[1]->d_name);
return 1;
}
if (!strcmp (list[0]->d_name, list[1]->d_name))
{
printf ("scandir yields \"%s\" twice!\n", list[0]->d_name);
return 1;
}
freelist (list, n);
/* Now a test with both functions. */
n = D(scandir) (scandir_test_dir, &list, &select_a, &D(alphasort));
if (n < 0)
{
printf ("scandir failed on %s: %s\n",
scandir_test_dir, strerror (errno));
return 1;
}
if (n != 2)
{
printf ("scandir returned %d entries instead of 2\n", n);
return 1;
}
if (strcmp (list[0]->d_name, "a") || strcmp (list[1]->d_name, "aa"))
{
printf ("scandir yields {\"%s\", \"%s\"}, expected {\"a\", \"aa\"}\n",
list[0]->d_name, list[1]->d_name);
return 1;
}
freelist (list, n);
/* Clean up the test directory. */
remove_file (scandir_test_dir, "c");
remove_file (scandir_test_dir, "aa");
remove_file (scandir_test_dir, "b");
remove_file (scandir_test_dir, "a");
return 0;
}