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/* Test for localedef path name handling and normalization.
Copyright (C) 2020-2024 Free Software Foundation, Inc.
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
<https://www.gnu.org/licenses/>. */
/* The test runs localedef with various named paths to test for expected
behaviours dealing with codeset name normalization. That is to say that use
of UTF-8, and it's variations, are normalized to utf8. Likewise that values
after the @ are not normalized and left as-is. The test needs to run
localedef with known input values and then check that the generated path
matches the expected value after normalization. */
/* Note: In some cases adding -v (verbose) to localedef changes the exit
status to a non-zero value because some warnings are only enabled in verbose
mode. This should probably be changed so warnings are either present or not
present, regardless of verbosity. POSIX requires that any warnings cause the
exit status to be non-zero. */
#include <array_length.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <support/capture_subprocess.h>
#include <support/check.h>
#include <support/support.h>
#include <support/xunistd.h>
#include <support/xthread.h>
/* Full path to localedef. */
static const char *prog;
/* Execute localedef in a subprocess. */
static void
execv_wrapper (void *args)
{
char **argv = args;
execv (prog, argv);
FAIL_EXIT1 ("execv: %m");
}
struct test_closure
{
/* Arguments for running localedef. */
const char *const argv[16];
/* Expected directory name for compiled locale. */
const char *exp;
/* Expected path to compiled locale. */
const char *complocaledir;
};
/* Run localedef with DATA.ARGV arguments (NULL terminated), and expect path to
the compiled locale is "DATA.COMPLOCALEDIR/DATA.EXP". */
static void *
run_test (void *closure)
{
struct test_closure *data = closure;
const char * const *args = data->argv;
const char *exp = data->exp;
const char *complocaledir = data->complocaledir;
struct stat64 fs;
/* Expected output path. */
const char *path = xasprintf ("%s/%s", complocaledir, exp);
/* Run test. */
struct support_capture_subprocess result;
result = support_capture_subprocess (execv_wrapper, (void *)args);
support_capture_subprocess_check (&result, "execv", 0, sc_allow_none);
support_capture_subprocess_free (&result);
/* Verify path is present and is a directory. */
xstat (path, &fs);
if (!S_ISDIR (fs.st_mode))
{
support_record_failure ();
printf ("error: Directory '%s' does not exist.\n", path);
return (void *) -1ULL;
}
return NULL;
}
static int
do_test (void)
{
/* We are running as root inside the container. */
prog = xasprintf ("%s/localedef", support_bindir_prefix);
/* We need an arbitrary absolute path for localedef output.
Writing to a non-default absolute path disables any kind
of path normalization since we expect the user wants the path
exactly as they specified it. */
#define ABSDIR "/output"
xmkdirp (ABSDIR, 0777);
/* It takes ~10 seconds to serially execute 9 localedef test. We run the
compilations in parallel to reduce test time. We don't want to split
this out into distinct tests because it would require multiple chroots.
Batching the same localedef tests saves disk space during testing. */
struct test_closure tests[] =
{
/* Test 1: Expected normalization.
Run localedef and expect output in $(complocaledir)/en_US1.utf8,
with normalization changing UTF-8 to utf8. */
{
.argv = { (const char *const) prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
"en_US1.UTF-8", NULL },
.exp = "en_US1.utf8",
.complocaledir = support_complocaledir_prefix
},
/* Test 2: No normalization past '@'.
Run localedef and expect output in $(complocaledir)/en_US2.utf8@tEsT,
with normalization changing UTF-8@tEsT to utf8@tEsT (everything after
@ is untouched). */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
"en_US2.UTF-8@tEsT", NULL },
.exp = "en_US2.utf8@tEsT",
.complocaledir = support_complocaledir_prefix
},
/* Test 3: No normalization past '@' despite period.
Run localedef and expect output in $(complocaledir)/en_US3@tEsT.UTF-8,
with normalization changing nothing (everything after @ is untouched)
despite there being a period near the end. */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
"en_US3@tEsT.UTF-8", NULL },
.exp = "en_US3@tEsT.UTF-8",
.complocaledir = support_complocaledir_prefix
},
/* Test 4: Normalize numeric codeset by adding 'iso' prefix.
Run localedef and expect output in $(complocaledir)/en_US4.88591,
with normalization changing 88591 to iso88591. */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
"en_US4.88591", NULL },
.exp = "en_US4.iso88591",
.complocaledir = support_complocaledir_prefix
},
/* Test 5: Don't add 'iso' prefix if first char is alpha.
Run localedef and expect output in $(complocaledir)/en_US5.a88591,
with normalization changing nothing. */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
"en_US5.a88591", NULL },
.exp = "en_US5.a88591",
.complocaledir = support_complocaledir_prefix
},
/* Test 6: Don't add 'iso' prefix if last char is alpha.
Run localedef and expect output in $(complocaledir)/en_US6.88591a,
with normalization changing nothing. */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
"en_US6.88591a", NULL },
.exp = "en_US6.88591a",
.complocaledir = support_complocaledir_prefix
},
/* Test 7: Don't normalize anything with an absolute path.
Run localedef and expect output in ABSDIR/en_US7.UTF-8,
with normalization changing nothing. */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
ABSDIR "/en_US7.UTF-8", NULL },
.exp = "en_US7.UTF-8",
.complocaledir = ABSDIR
},
/* Test 8: Don't normalize anything with an absolute path.
Run localedef and expect output in ABSDIR/en_US8.UTF-8@tEsT,
with normalization changing nothing. */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
ABSDIR "/en_US8.UTF-8@tEsT", NULL },
.exp = "en_US8.UTF-8@tEsT",
.complocaledir = ABSDIR
},
/* Test 9: Don't normalize anything with an absolute path.
Run localedef and expect output in ABSDIR/en_US9@tEsT.UTF-8,
with normalization changing nothing. */
{
.argv = { prog,
"--no-archive",
"-i", "en_US",
"-f", "UTF-8",
ABSDIR "/en_US9@tEsT.UTF-8", NULL },
.exp = "en_US9@tEsT.UTF-8",
.complocaledir = ABSDIR
}
};
/* Do not run more threads than the maximum of online CPUs. */
size_t ntests = array_length (tests);
long int cpus = sysconf (_SC_NPROCESSORS_ONLN);
cpus = cpus == -1 ? 1 : cpus;
printf ("info: cpus=%ld ntests=%zu\n", cpus, ntests);
pthread_t thr[ntests];
for (int i = 0; i < ntests; i += cpus)
{
int max = i + cpus;
if (max > ntests)
max = ntests;
for (int j = i; j < max; j++)
thr[j] = xpthread_create (NULL, run_test, &tests[j]);
for (int j = i; j < max; j++)
TEST_VERIFY (xpthread_join (thr[j]) == NULL);
}
return 0;
}
#define TIMEOUT 30
#include <support/test-driver.c>
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