src/test/test-path-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <stdio.h>
   4 #include <unistd.h>
   5
   6 #include "alloc-util.h"
   7 #include "exec-util.h"
   8 #include "fd-util.h"
   9 #include "fs-util.h"
  10 #include "macro.h"
  11 #include "path-util.h"
  12 #include "process-util.h"
  13 #include "rm-rf.h"
  14 #include "stat-util.h"
  15 #include "string-util.h"
  16 #include "strv.h"
  17 #include "tests.h"
  18 #include "tmpfile-util.h"
  19
  20 TEST(print_paths) {
  21         log_info("DEFAULT_PATH=%s", DEFAULT_PATH);
  22         log_info("DEFAULT_USER_PATH=%s", DEFAULT_USER_PATH);
  23 }
  24
  25 TEST(path) {
  26         assert_se( path_is_absolute("/"));
  27         assert_se(!path_is_absolute("./"));
  28
  29         assert_se(streq(basename("./aa/bb/../file.da."), "file.da."));
  30         assert_se(streq(basename("/aa///.file"), ".file"));
  31         assert_se(streq(basename("/aa///file..."), "file..."));
  32         assert_se(streq(basename("file.../"), ""));
  33
  34         assert_se( PATH_IN_SET("/bin", "/", "/bin", "/foo"));
  35         assert_se( PATH_IN_SET("/bin", "/bin"));
  36         assert_se( PATH_IN_SET("/bin", "/foo/bar", "/bin"));
  37         assert_se( PATH_IN_SET("/", "/", "/", "/foo/bar"));
  38         assert_se(!PATH_IN_SET("/", "/abc", "/def"));
  39
  40         assert_se( path_equal(NULL, NULL));
  41         assert_se( path_equal("/a", "/a"));
  42         assert_se(!path_equal("/a", "/b"));
  43         assert_se(!path_equal("/a", NULL));
  44         assert_se(!path_equal(NULL, "/a"));
  45         assert_se(!path_equal("a", NULL));
  46         assert_se(!path_equal(NULL, "a"));
  47 }
  48
  49 TEST(is_path) {
  50         assert_se(!is_path("foo"));
  51         assert_se(!is_path("dos.ext"));
  52         assert_se( is_path("/dir"));
  53         assert_se( is_path("a/b"));
  54         assert_se( is_path("a/b.ext"));
  55
  56         assert_se(!is_path("."));
  57         assert_se(!is_path(""));
  58         assert_se(!is_path(".."));
  59
  60         assert_se( is_path("/dev"));
  61         assert_se( is_path("/./dev"));
  62         assert_se( is_path("/./dev/."));
  63         assert_se( is_path("/./dev."));
  64         assert_se( is_path("//dev"));
  65         assert_se( is_path("///dev"));
  66         assert_se( is_path("/dev/"));
  67         assert_se( is_path("///dev/"));
  68         assert_se( is_path("/./dev/"));
  69         assert_se( is_path("/../dev/"));
  70         assert_se( is_path("/dev/sda"));
  71         assert_se( is_path("/dev/sda5"));
  72         assert_se( is_path("/dev/sda5b3"));
  73         assert_se( is_path("/dev/sda5b3/idontexit"));
  74         assert_se( is_path("/../dev/sda"));
  75         assert_se( is_path("/../../dev/sda5"));
  76         assert_se( is_path("/../../../dev/sda5b3"));
  77         assert_se( is_path("/.././.././dev/sda5b3/idontexit"));
  78         assert_se( is_path("/sys"));
  79         assert_se( is_path("/sys/"));
  80         assert_se( is_path("/./sys"));
  81         assert_se( is_path("/./sys/."));
  82         assert_se( is_path("/./sys."));
  83         assert_se( is_path("/sys/what"));
  84         assert_se( is_path("/sys/something/.."));
  85         assert_se( is_path("/sys/something/../"));
  86         assert_se( is_path("/sys////"));
  87         assert_se( is_path("/sys////."));
  88         assert_se( is_path("/sys/.."));
  89         assert_se( is_path("/sys/../"));
  90         assert_se( is_path("/usr/../dev/sda"));
  91 }
  92
  93 TEST(is_device_path) {
  94         assert_se(!is_device_path("foo"));
  95         assert_se(!is_device_path("dos.ext"));
  96         assert_se(!is_device_path("/dir"));
  97         assert_se(!is_device_path("a/b"));
  98         assert_se(!is_device_path("a/b.ext"));
  99
 100         assert_se(!is_device_path("."));
 101         assert_se(!is_device_path(""));
 102         assert_se(!is_device_path(".."));
 103
 104         assert_se(!is_device_path("/dev"));
 105         assert_se(!is_device_path("/./dev"));
 106         assert_se(!is_device_path("/./dev/."));
 107         assert_se(!is_device_path("/./dev."));
 108         assert_se( is_device_path("/./dev/foo"));
 109         assert_se( is_device_path("/./dev/./foo"));
 110         assert_se(!is_device_path("/./dev./foo"));
 111         assert_se(!is_device_path("//dev"));
 112         assert_se(!is_device_path("///dev"));
 113         assert_se(!is_device_path("/dev/"));
 114         assert_se(!is_device_path("///dev/"));
 115         assert_se(!is_device_path("/./dev/"));
 116         assert_se(!is_device_path("/../dev/"));
 117         assert_se( is_device_path("/dev/sda"));
 118         assert_se( is_device_path("/dev/sda5"));
 119         assert_se( is_device_path("/dev/sda5b3"));
 120         assert_se( is_device_path("/dev/sda5b3/idontexit"));
 121         assert_se(!is_device_path("/../dev/sda"));
 122         assert_se(!is_device_path("/../../dev/sda5"));
 123         assert_se(!is_device_path("/../../../dev/sda5b3"));
 124         assert_se(!is_device_path("/.././.././dev/sda5b3/idontexit"));
 125         assert_se(!is_device_path("/sys"));
 126         assert_se(!is_device_path("/sys/"));
 127         assert_se(!is_device_path("/./sys"));
 128         assert_se(!is_device_path("/./sys/."));
 129         assert_se(!is_device_path("/./sys."));
 130         assert_se( is_device_path("/./sys/foo"));
 131         assert_se( is_device_path("/./sys/./foo"));
 132         assert_se(!is_device_path("/./sys./foo"));
 133         assert_se( is_device_path("/sys/what"));
 134         assert_se( is_device_path("/sys/something/.."));
 135         assert_se( is_device_path("/sys/something/../"));
 136         assert_se(!is_device_path("/sys////"));
 137         assert_se(!is_device_path("/sys////."));
 138         assert_se( is_device_path("/sys/.."));
 139         assert_se( is_device_path("/sys/../"));
 140         assert_se(!is_device_path("/usr/../dev/sda"));
 141 }
 142
 143 static void test_path_simplify_one(const char *in, const char *out, PathSimplifyFlags flags) {
 144         char *p;
 145
 146         p = strdupa_safe(in);
 147         path_simplify_full(p, flags);
 148         log_debug("/* test_path_simplify(%s) → %s (expected: %s) */", in, p, out);
 149         assert_se(streq(p, out));
 150 }
 151
 152 TEST(path_simplify) {
 153         _cleanup_free_ char *hoge = NULL, *hoge_out = NULL;
 154         char foo[NAME_MAX * 2];
 155
 156         test_path_simplify_one("", "", 0);
 157         test_path_simplify_one("aaa/bbb////ccc", "aaa/bbb/ccc", 0);
 158         test_path_simplify_one("//aaa/.////ccc", "/aaa/ccc", 0);
 159         test_path_simplify_one("///", "/", 0);
 160         test_path_simplify_one("///", "/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 161         test_path_simplify_one("///.//", "/", 0);
 162         test_path_simplify_one("///.//.///", "/", 0);
 163         test_path_simplify_one("////.././///../.", "/", 0);
 164         test_path_simplify_one(".", ".", 0);
 165         test_path_simplify_one("./", ".", 0);
 166         test_path_simplify_one("./", "./", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 167         test_path_simplify_one(".///.//./.", ".", 0);
 168         test_path_simplify_one(".///.//././/", ".", 0);
 169         test_path_simplify_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.",
 170                                "/aaa/.bbb/../c./d.dd/..eeee", 0);
 171         test_path_simplify_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
 172                                "/aaa/.bbb/../c./d.dd/..eeee/..", 0);
 173         test_path_simplify_one(".//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
 174                                "aaa/.bbb/../c./d.dd/..eeee/..", 0);
 175         test_path_simplify_one("..//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
 176                                "../aaa/.bbb/../c./d.dd/..eeee/..", 0);
 177         test_path_simplify_one("abc///", "abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 178
 179         test_path_simplify_one("/../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 180         test_path_simplify_one("/../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 181         test_path_simplify_one("/../abc///", "/abc", 0);
 182         test_path_simplify_one("/../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 183         test_path_simplify_one("/../abc///..", "/abc/..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 184         test_path_simplify_one("/../abc///../", "/abc/../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 185         test_path_simplify_one("/../abc///../", "/abc/..", 0);
 186
 187         test_path_simplify_one("/../../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 188         test_path_simplify_one("/../../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 189         test_path_simplify_one("/../../abc///", "/abc", 0);
 190         test_path_simplify_one("/../../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 191         test_path_simplify_one("/../../abc///../..", "/abc/../..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 192         test_path_simplify_one("/../../abc///../../", "/abc/../../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 193         test_path_simplify_one("/../../abc///../../", "/abc/../..", 0);
 194
 195         test_path_simplify_one("/.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 196         test_path_simplify_one("/.././../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 197         test_path_simplify_one("/.././../abc///", "/abc", 0);
 198         test_path_simplify_one("/.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 199         test_path_simplify_one("/.././../abc///../..", "/abc/../..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 200         test_path_simplify_one("/.././../abc///../../", "/abc/../../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 201         test_path_simplify_one("/.././../abc///../../", "/abc/../..", 0);
 202
 203         test_path_simplify_one("/./.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 204         test_path_simplify_one("/./.././../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 205         test_path_simplify_one("/./.././../abc///", "/abc", 0);
 206         test_path_simplify_one("/./.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 207         test_path_simplify_one("/./.././../abc///../..", "/abc/../..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 208         test_path_simplify_one("/./.././../abc///../../", "/abc/../../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 209         test_path_simplify_one("/./.././../abc///../../", "/abc/../..", 0);
 210
 211         test_path_simplify_one("/.../abc", "/.../abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 212         test_path_simplify_one("/.../abc///", "/.../abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 213         test_path_simplify_one("/.../abc///", "/.../abc", 0);
 214         test_path_simplify_one("/.../abc", "/.../abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 215         test_path_simplify_one("/.../abc///...", "/.../abc/...", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 216         test_path_simplify_one("/.../abc///.../", "/.../abc/.../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH);
 217         test_path_simplify_one("/.../abc///.../", "/.../abc/...", 0);
 218
 219         memset(foo, 'a', sizeof(foo) -1);
 220         char_array_0(foo);
 221
 222         test_path_simplify_one(foo, foo, 0);
 223
 224         hoge = strjoin("/", foo);
 225         assert_se(hoge);
 226         test_path_simplify_one(hoge, hoge, 0);
 227         hoge = mfree(hoge);
 228
 229         hoge = strjoin("a////.//././//./b///././/./c/////././//./", foo, "//.//////d/e/.//f/");
 230         assert_se(hoge);
 231
 232         hoge_out = strjoin("a/b/c/", foo, "//.//////d/e/.//f/");
 233         assert_se(hoge_out);
 234
 235         test_path_simplify_one(hoge, hoge_out, 0);
 236 }
 237
 238 static void test_path_compare_one(const char *a, const char *b, int expected) {
 239         int r;
 240
 241         assert_se(path_compare(a, a) == 0);
 242         assert_se(path_compare(b, b) == 0);
 243
 244         r = path_compare(a, b);
 245         assert_se((r > 0) == (expected > 0) && (r < 0) == (expected < 0));
 246         r = path_compare(b, a);
 247         assert_se((r < 0) == (expected > 0) && (r > 0) == (expected < 0));
 248
 249         assert_se(path_equal(a, a) == 1);
 250         assert_se(path_equal(b, b) == 1);
 251         assert_se(path_equal(a, b) == (expected == 0));
 252         assert_se(path_equal(b, a) == (expected == 0));
 253 }
 254
 255 TEST(path_compare) {
 256         test_path_compare_one("/goo", "/goo", 0);
 257         test_path_compare_one("/goo", "/goo", 0);
 258         test_path_compare_one("//goo", "/goo", 0);
 259         test_path_compare_one("//goo/////", "/goo", 0);
 260         test_path_compare_one("goo/////", "goo", 0);
 261         test_path_compare_one("/goo/boo", "/goo//boo", 0);
 262         test_path_compare_one("//goo/boo", "/goo/boo//", 0);
 263         test_path_compare_one("//goo/././//./boo//././//", "/goo/boo//.", 0);
 264         test_path_compare_one("/.", "//.///", 0);
 265         test_path_compare_one("/x", "x/", 1);
 266         test_path_compare_one("x/", "/", -1);
 267         test_path_compare_one("/x/./y", "x/y", 1);
 268         test_path_compare_one("/x/./y", "/x/y", 0);
 269         test_path_compare_one("/x/./././y", "/x/y/././.", 0);
 270         test_path_compare_one("./x/./././y", "./x/y/././.", 0);
 271         test_path_compare_one(".", "./.", 0);
 272         test_path_compare_one(".", "././.", 0);
 273         test_path_compare_one("./..", ".", 1);
 274         test_path_compare_one("x/.y", "x/y", -1);
 275         test_path_compare_one("foo", "/foo", -1);
 276         test_path_compare_one("/foo", "/foo/bar", -1);
 277         test_path_compare_one("/foo/aaa", "/foo/b", -1);
 278         test_path_compare_one("/foo/aaa", "/foo/b/a", -1);
 279         test_path_compare_one("/foo/a", "/foo/aaa", -1);
 280         test_path_compare_one("/foo/a/b", "/foo/aaa", -1);
 281 }
 282
 283 static void test_path_compare_filename_one(const char *a, const char *b, int expected) {
 284         int r;
 285
 286         assert_se(path_compare_filename(a, a) == 0);
 287         assert_se(path_compare_filename(b, b) == 0);
 288
 289         r = path_compare_filename(a, b);
 290         assert_se((r > 0) == (expected > 0) && (r < 0) == (expected < 0));
 291         r = path_compare_filename(b, a);
 292         assert_se((r < 0) == (expected > 0) && (r > 0) == (expected < 0));
 293
 294         assert_se(path_equal_filename(a, a) == 1);
 295         assert_se(path_equal_filename(b, b) == 1);
 296         assert_se(path_equal_filename(a, b) == (expected == 0));
 297         assert_se(path_equal_filename(b, a) == (expected == 0));
 298 }
 299
 300 TEST(path_compare_filename) {
 301         test_path_compare_filename_one("/goo", "/goo", 0);
 302         test_path_compare_filename_one("/goo", "/goo", 0);
 303         test_path_compare_filename_one("//goo", "/goo", 0);
 304         test_path_compare_filename_one("//goo/////", "/goo", 0);
 305         test_path_compare_filename_one("goo/////", "goo", 0);
 306         test_path_compare_filename_one("/goo/boo", "/goo//boo", 0);
 307         test_path_compare_filename_one("//goo/boo", "/goo/boo//", 0);
 308         test_path_compare_filename_one("//goo/././//./boo//././//", "/goo/boo//.", 0);
 309         test_path_compare_filename_one("/.", "//.///", -1);
 310         test_path_compare_filename_one("/x", "x/", 0);
 311         test_path_compare_filename_one("x/", "/", 1);
 312         test_path_compare_filename_one("/x/./y", "x/y", 0);
 313         test_path_compare_filename_one("/x/./y", "/x/y", 0);
 314         test_path_compare_filename_one("/x/./././y", "/x/y/././.", 0);
 315         test_path_compare_filename_one("./x/./././y", "./x/y/././.", 0);
 316         test_path_compare_filename_one(".", "./.", -1);
 317         test_path_compare_filename_one(".", "././.", -1);
 318         test_path_compare_filename_one("./..", ".", 1);
 319         test_path_compare_filename_one("x/.y", "x/y", -1);
 320         test_path_compare_filename_one("foo", "/foo", 0);
 321         test_path_compare_filename_one("/foo", "/foo/bar", 1);
 322         test_path_compare_filename_one("/foo/aaa", "/foo/b", -1);
 323         test_path_compare_filename_one("/foo/aaa", "/foo/b/a", 1);
 324         test_path_compare_filename_one("/foo/a", "/foo/aaa", -1);
 325         test_path_compare_filename_one("/foo/a/b", "/foo/aaa", 1);
 326         test_path_compare_filename_one("/a/c", "/b/c", 0);
 327         test_path_compare_filename_one("/a", "/a", 0);
 328         test_path_compare_filename_one("/a/b", "/a/c", -1);
 329         test_path_compare_filename_one("/b", "/c", -1);
 330 }
 331
 332 TEST(path_equal_root) {
 333         /* Nail down the details of how path_equal("/", ...) works. */
 334
 335         assert_se(path_equal("/", "/"));
 336         assert_se(path_equal("/", "//"));
 337
 338         assert_se(path_equal("/", "/./"));
 339         assert_se(!path_equal("/", "/../"));
 340
 341         assert_se(!path_equal("/", "/.../"));
 342
 343         /* Make sure that files_same works as expected. */
 344
 345         assert_se(inode_same("/", "/", 0) > 0);
 346         assert_se(inode_same("/", "/", AT_SYMLINK_NOFOLLOW) > 0);
 347         assert_se(inode_same("/", "//", 0) > 0);
 348         assert_se(inode_same("/", "//", AT_SYMLINK_NOFOLLOW) > 0);
 349
 350         assert_se(inode_same("/", "/./", 0) > 0);
 351         assert_se(inode_same("/", "/./", AT_SYMLINK_NOFOLLOW) > 0);
 352         assert_se(inode_same("/", "/../", 0) > 0);
 353         assert_se(inode_same("/", "/../", AT_SYMLINK_NOFOLLOW) > 0);
 354
 355         assert_se(inode_same("/", "/.../", 0) == -ENOENT);
 356         assert_se(inode_same("/", "/.../", AT_SYMLINK_NOFOLLOW) == -ENOENT);
 357
 358         /* The same for path_equal_or_files_same. */
 359
 360         assert_se(path_equal_or_inode_same("/", "/", 0));
 361         assert_se(path_equal_or_inode_same("/", "/", AT_SYMLINK_NOFOLLOW));
 362         assert_se(path_equal_or_inode_same("/", "//", 0));
 363         assert_se(path_equal_or_inode_same("/", "//", AT_SYMLINK_NOFOLLOW));
 364
 365         assert_se(path_equal_or_inode_same("/", "/./", 0));
 366         assert_se(path_equal_or_inode_same("/", "/./", AT_SYMLINK_NOFOLLOW));
 367         assert_se(path_equal_or_inode_same("/", "/../", 0));
 368         assert_se(path_equal_or_inode_same("/", "/../", AT_SYMLINK_NOFOLLOW));
 369
 370         assert_se(!path_equal_or_inode_same("/", "/.../", 0));
 371         assert_se(!path_equal_or_inode_same("/", "/.../", AT_SYMLINK_NOFOLLOW));
 372 }
 373
 374 TEST(find_executable_full) {
 375         char *p;
 376         char* test_file_name;
 377         _cleanup_close_ int fd = -EBADF;
 378         char fn[] = "/tmp/test-XXXXXX";
 379
 380         assert_se(find_executable_full("sh", NULL, NULL, true, &p, NULL) == 0);
 381         puts(p);
 382         assert_se(streq(basename(p), "sh"));
 383         free(p);
 384
 385         assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0);
 386         puts(p);
 387         assert_se(streq(basename(p), "sh"));
 388         free(p);
 389
 390         _cleanup_free_ char *oldpath = NULL;
 391         p = getenv("PATH");
 392         if (p)
 393                 assert_se(oldpath = strdup(p));
 394
 395         assert_se(unsetenv("PATH") == 0);
 396
 397         assert_se(find_executable_full("sh", NULL, NULL, true, &p, NULL) == 0);
 398         puts(p);
 399         assert_se(streq(basename(p), "sh"));
 400         free(p);
 401
 402         assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0);
 403         puts(p);
 404         assert_se(streq(basename(p), "sh"));
 405         free(p);
 406
 407         if (oldpath)
 408                 assert_se(setenv("PATH", oldpath, true) >= 0);
 409
 410         assert_se((fd = mkostemp_safe(fn)) >= 0);
 411         assert_se(fchmod(fd, 0755) >= 0);
 412
 413         test_file_name = basename(fn);
 414
 415         assert_se(find_executable_full(test_file_name, NULL, STRV_MAKE("/doesnotexist", "/tmp", "/bin"), false, &p, NULL) == 0);
 416         puts(p);
 417         assert_se(streq(p, fn));
 418         free(p);
 419
 420         (void) unlink(fn);
 421         assert_se(find_executable_full(test_file_name, NULL, STRV_MAKE("/doesnotexist", "/tmp", "/bin"), false, &p, NULL) == -ENOENT);
 422 }
 423
 424 TEST(find_executable) {
 425         char *p;
 426
 427         assert_se(find_executable("/bin/sh", &p) == 0);
 428         puts(p);
 429         assert_se(path_equal(p, "/bin/sh"));
 430         free(p);
 431
 432         assert_se(find_executable(saved_argv[0], &p) == 0);
 433         puts(p);
 434         assert_se(endswith(p, "/test-path-util"));
 435         assert_se(path_is_absolute(p));
 436         free(p);
 437
 438         assert_se(find_executable("sh", &p) == 0);
 439         puts(p);
 440         assert_se(endswith(p, "/sh"));
 441         assert_se(path_is_absolute(p));
 442         free(p);
 443
 444         assert_se(find_executable("/bin/touch", &p) == 0);
 445         assert_se(streq(p, "/bin/touch"));
 446         free(p);
 447
 448         assert_se(find_executable("touch", &p) == 0);
 449         assert_se(path_is_absolute(p));
 450         assert_se(streq(basename(p), "touch"));
 451         free(p);
 452
 453         assert_se(find_executable("xxxx-xxxx", &p) == -ENOENT);
 454         assert_se(find_executable("/some/dir/xxxx-xxxx", &p) == -ENOENT);
 455         assert_se(find_executable("/proc/filesystems", &p) == -EACCES);
 456 }
 457
 458 static void test_find_executable_exec_one(const char *path) {
 459         _cleanup_free_ char *t = NULL;
 460         _cleanup_close_ int fd = -EBADF;
 461         pid_t pid;
 462         int r;
 463
 464         r = find_executable_full(path, NULL, NULL, false, &t, &fd);
 465
 466         log_info_errno(r, "%s: %s → %s: %d/%m", __func__, path, t ?: "-", fd);
 467
 468         assert_se(fd > STDERR_FILENO);
 469         assert_se(path_is_absolute(t));
 470         if (path_is_absolute(path))
 471                 assert_se(streq(t, path));
 472
 473         pid = fork();
 474         assert_se(pid >= 0);
 475         if (pid == 0) {
 476                 r = fexecve_or_execve(fd, t, STRV_MAKE(t, "--version"), STRV_MAKE(NULL));
 477                 log_error_errno(r, "[f]execve: %m");
 478                 _exit(EXIT_FAILURE);
 479         }
 480
 481         assert_se(wait_for_terminate_and_check(t, pid, WAIT_LOG) == 0);
 482 }
 483
 484 TEST(find_executable_exec) {
 485         test_find_executable_exec_one("touch");
 486         test_find_executable_exec_one("/bin/touch");
 487
 488         _cleanup_free_ char *script = NULL;
 489         assert_se(get_testdata_dir("test-path-util/script.sh", &script) >= 0);
 490         test_find_executable_exec_one(script);
 491 }
 492
 493 TEST(prefixes) {
 494         static const char* const values[] = {
 495                 "/a/b/c/d",
 496                 "/a/b/c",
 497                 "/a/b",
 498                 "/a",
 499                 "",
 500                 NULL
 501         };
 502         unsigned i;
 503         char s[PATH_MAX];
 504         bool b;
 505
 506         i = 0;
 507         PATH_FOREACH_PREFIX_MORE(s, "/a/b/c/d") {
 508                 log_error("---%s---", s);
 509                 assert_se(streq(s, values[i++]));
 510         }
 511         ASSERT_NULL(values[i]);
 512
 513         i = 1;
 514         PATH_FOREACH_PREFIX(s, "/a/b/c/d") {
 515                 log_error("---%s---", s);
 516                 assert_se(streq(s, values[i++]));
 517         }
 518         ASSERT_NULL(values[i]);
 519
 520         i = 0;
 521         PATH_FOREACH_PREFIX_MORE(s, "////a////b////c///d///////")
 522                 assert_se(streq(s, values[i++]));
 523         ASSERT_NULL(values[i]);
 524
 525         i = 1;
 526         PATH_FOREACH_PREFIX(s, "////a////b////c///d///////")
 527                 assert_se(streq(s, values[i++]));
 528         ASSERT_NULL(values[i]);
 529
 530         PATH_FOREACH_PREFIX(s, "////")
 531                 assert_not_reached();
 532
 533         b = false;
 534         PATH_FOREACH_PREFIX_MORE(s, "////") {
 535                 assert_se(!b);
 536                 assert_se(streq(s, ""));
 537                 b = true;
 538         }
 539         assert_se(b);
 540
 541         PATH_FOREACH_PREFIX(s, "")
 542                 assert_not_reached();
 543
 544         b = false;
 545         PATH_FOREACH_PREFIX_MORE(s, "") {
 546                 assert_se(!b);
 547                 assert_se(streq(s, ""));
 548                 b = true;
 549         }
 550 }
 551
 552 TEST(path_join) {
 553 #define test_join(expected, ...) {        \
 554                 _cleanup_free_ char *z = NULL;   \
 555                 z = path_join(__VA_ARGS__); \
 556                 log_debug("got \"%s\", expected \"%s\"", z, expected); \
 557                 assert_se(streq(z, expected));   \
 558         }
 559
 560         test_join("/root/a/b/c", "/root", "/a/b", "/c");
 561         test_join("/root/a/b/c", "/root", "a/b", "c");
 562         test_join("/root/a/b/c", "/root", "/a/b", "c");
 563         test_join("/root/c",     "/root", "/", "c");
 564         test_join("/root/",      "/root", "/", NULL);
 565
 566         test_join("/a/b/c", "", "/a/b", "/c");
 567         test_join("a/b/c",  "", "a/b", "c");
 568         test_join("/a/b/c", "", "/a/b", "c");
 569         test_join("/c",     "", "/", "c");
 570         test_join("/",      "", "/", NULL);
 571
 572         test_join("/a/b/c", NULL, "/a/b", "/c");
 573         test_join("a/b/c",  NULL, "a/b", "c");
 574         test_join("/a/b/c", NULL, "/a/b", "c");
 575         test_join("/c",     NULL, "/", "c");
 576         test_join("/",      NULL, "/", NULL);
 577
 578         test_join("", "", NULL);
 579         test_join("", NULL, "");
 580         test_join("", NULL, NULL);
 581
 582         test_join("foo/bar", "foo", "bar");
 583         test_join("foo/bar", "", "foo", "bar");
 584         test_join("foo/bar", NULL, "foo", NULL, "bar");
 585         test_join("foo/bar", "", "foo", "", "bar", "");
 586         test_join("foo/bar", "", "", "", "", "foo", "", "", "", "bar", "", "", "");
 587
 588         test_join("//foo///bar//",         "", "/", "", "/foo/", "", "/", "", "/bar/", "", "/", "");
 589         test_join("/foo/bar/",             "/", "foo", "/", "bar", "/");
 590         test_join("foo/bar/baz",           "foo", "bar", "baz");
 591         test_join("foo/bar/baz",           "foo/", "bar", "/baz");
 592         test_join("foo//bar//baz",         "foo/", "/bar/", "/baz");
 593         test_join("//foo////bar////baz//", "//foo/", "///bar/", "///baz//");
 594 }
 595
 596 TEST(path_extend) {
 597         _cleanup_free_ char *p = NULL;
 598
 599         assert_se(path_extend(&p, "foo", "bar", "baz") == p);
 600         assert_se(streq(p, "foo/bar/baz"));
 601
 602         assert_se(path_extend(&p, "foo", "bar", "baz") == p);
 603         assert_se(streq(p, "foo/bar/baz/foo/bar/baz"));
 604
 605         p = mfree(p);
 606         assert_se(path_extend(&p, "foo") == p);
 607         assert_se(streq(p, "foo"));
 608
 609         assert_se(path_extend(&p, "/foo") == p);
 610         assert_se(streq(p, "foo/foo"));
 611         assert_se(path_extend(&p, "/waaaah/wahhh//") == p);
 612         assert_se(streq(p, "foo/foo/waaaah/wahhh//")); /* path_extend() does not drop redundant slashes */
 613         assert_se(path_extend(&p, "/aaa/bbb/") == p);
 614         assert_se(streq(p, "foo/foo/waaaah/wahhh///aaa/bbb/")); /* but not add an extra slash */
 615
 616         assert_se(free_and_strdup(&p, "/") >= 0);
 617         assert_se(path_extend(&p, "foo") == p);
 618         assert_se(streq(p, "/foo"));
 619 }
 620
 621 TEST(fsck_exists) {
 622         /* Ensure we use a sane default for PATH. */
 623         assert_se(unsetenv("PATH") == 0);
 624
 625         /* We might or might not find one of these, so keep the test lax. */
 626         assert_se(fsck_exists_for_fstype("minix") >= 0);
 627
 628         assert_se(fsck_exists_for_fstype("AbCdE") == 0);
 629         assert_se(fsck_exists_for_fstype("/../bin/") == 0);
 630 }
 631
 632 static void test_path_make_relative_one(const char *from, const char *to, const char *expected) {
 633         _cleanup_free_ char *z = NULL;
 634         int r;
 635
 636         log_info("/* %s(%s, %s) */", __func__, from, to);
 637
 638         r = path_make_relative(from, to, &z);
 639         assert_se((r >= 0) == !!expected);
 640         assert_se(streq_ptr(z, expected));
 641 }
 642
 643 TEST(path_make_relative) {
 644         test_path_make_relative_one("some/relative/path", "/some/path", NULL);
 645         test_path_make_relative_one("/some/path", "some/relative/path", NULL);
 646         test_path_make_relative_one("/some/dotdot/../path", "/some/path", NULL);
 647
 648         test_path_make_relative_one("/", "/", ".");
 649         test_path_make_relative_one("/", "/some/path", "some/path");
 650         test_path_make_relative_one("/some/path", "/some/path", ".");
 651         test_path_make_relative_one("/some/path", "/some/path/in/subdir", "in/subdir");
 652         test_path_make_relative_one("/some/path", "/", "../..");
 653         test_path_make_relative_one("/some/path", "/some/other/path", "../other/path");
 654         test_path_make_relative_one("/some/path/./dot", "/some/further/path", "../../further/path");
 655         test_path_make_relative_one("//extra.//.//./.slashes//./won't////fo.ol///anybody//", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine");
 656 }
 657
 658 static void test_path_make_relative_parent_one(const char *from, const char *to, const char *expected) {
 659         _cleanup_free_ char *z = NULL;
 660         int r;
 661
 662         log_info("/* %s(%s, %s) */", __func__, from, to);
 663
 664         r = path_make_relative_parent(from, to, &z);
 665         assert_se((r >= 0) == !!expected);
 666         assert_se(streq_ptr(z, expected));
 667 }
 668
 669 TEST(path_make_relative_parent) {
 670         test_path_make_relative_parent_one("some/relative/path/hoge", "/some/path", NULL);
 671         test_path_make_relative_parent_one("/some/path/hoge", "some/relative/path", NULL);
 672         test_path_make_relative_parent_one("/some/dotdot/../path/hoge", "/some/path", NULL);
 673         test_path_make_relative_parent_one("/", "/aaa", NULL);
 674
 675         test_path_make_relative_parent_one("/hoge", "/", ".");
 676         test_path_make_relative_parent_one("/hoge", "/some/path", "some/path");
 677         test_path_make_relative_parent_one("/some/path/hoge", "/some/path", ".");
 678         test_path_make_relative_parent_one("/some/path/hoge", "/some/path/in/subdir", "in/subdir");
 679         test_path_make_relative_parent_one("/some/path/hoge", "/", "../..");
 680         test_path_make_relative_parent_one("/some/path/hoge", "/some/other/path", "../other/path");
 681         test_path_make_relative_parent_one("/some/path/./dot/hoge", "/some/further/path", "../../further/path");
 682         test_path_make_relative_parent_one("//extra.//.//./.slashes//./won't////fo.ol///anybody//hoge", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine");
 683 }
 684
 685 TEST(path_strv_resolve) {
 686         char tmp_dir[] = "/tmp/test-path-util-XXXXXX";
 687         _cleanup_strv_free_ char **search_dirs = NULL;
 688         _cleanup_strv_free_ char **absolute_dirs = NULL;
 689
 690         assert_se(mkdtemp(tmp_dir) != NULL);
 691
 692         search_dirs = strv_new("/dir1", "/dir2", "/dir3");
 693         assert_se(search_dirs);
 694         STRV_FOREACH(d, search_dirs) {
 695                 char *p = path_join(tmp_dir, *d);
 696                 assert_se(p);
 697                 assert_se(strv_push(&absolute_dirs, p) == 0);
 698         }
 699
 700         assert_se(mkdir(absolute_dirs[0], 0700) == 0);
 701         assert_se(mkdir(absolute_dirs[1], 0700) == 0);
 702         assert_se(symlink("dir2", absolute_dirs[2]) == 0);
 703
 704         path_strv_resolve(search_dirs, tmp_dir);
 705         assert_se(streq(search_dirs[0], "/dir1"));
 706         assert_se(streq(search_dirs[1], "/dir2"));
 707         assert_se(streq(search_dirs[2], "/dir2"));
 708
 709         assert_se(rm_rf(tmp_dir, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
 710 }
 711
 712 static void test_path_startswith_one(const char *path, const char *prefix, const char *skipped, const char *expected) {
 713         const char *p, *q;
 714
 715         log_debug("/* %s(%s, %s) */", __func__, path, prefix);
 716
 717         p = path_startswith(path, prefix);
 718         assert_se(streq_ptr(p, expected));
 719         if (p) {
 720                 q = strjoina(skipped, p);
 721                 assert_se(streq(q, path));
 722                 assert_se(p == path + strlen(skipped));
 723         }
 724 }
 725
 726 TEST(path_startswith) {
 727         test_path_startswith_one("/foo/bar/barfoo/", "/foo", "/foo/", "bar/barfoo/");
 728         test_path_startswith_one("/foo/bar/barfoo/", "/foo/", "/foo/", "bar/barfoo/");
 729         test_path_startswith_one("/foo/bar/barfoo/", "/", "/", "foo/bar/barfoo/");
 730         test_path_startswith_one("/foo/bar/barfoo/", "////", "/",  "foo/bar/barfoo/");
 731         test_path_startswith_one("/foo/bar/barfoo/", "/foo//bar/////barfoo///", "/foo/bar/barfoo/", "");
 732         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfoo////", "/foo/bar/barfoo/", "");
 733         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar///barfoo/", "/foo/bar/barfoo/", "");
 734         test_path_startswith_one("/foo/bar/barfoo/", "/foo////bar/barfoo/", "/foo/bar/barfoo/", "");
 735         test_path_startswith_one("/foo/bar/barfoo/", "////foo/bar/barfoo/", "/foo/bar/barfoo/", "");
 736         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfoo", "/foo/bar/barfoo/", "");
 737
 738         test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo", "/foo/./", "bar///barfoo/./.");
 739         test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/", "/foo/./", "bar///barfoo/./.");
 740         test_path_startswith_one("/foo/./bar///barfoo/./.", "/", "/", "foo/./bar///barfoo/./.");
 741         test_path_startswith_one("/foo/./bar///barfoo/./.", "////", "/",  "foo/./bar///barfoo/./.");
 742         test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo//bar/////barfoo///", "/foo/./bar///barfoo/./.", "");
 743         test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/bar/barfoo////", "/foo/./bar///barfoo/./.", "");
 744         test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/bar///barfoo/", "/foo/./bar///barfoo/./.", "");
 745         test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo////bar/barfoo/", "/foo/./bar///barfoo/./.", "");
 746         test_path_startswith_one("/foo/./bar///barfoo/./.", "////foo/bar/barfoo/", "/foo/./bar///barfoo/./.", "");
 747         test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/bar/barfoo", "/foo/./bar///barfoo/./.", "");
 748
 749         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfooa/", NULL, NULL);
 750         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfooa", NULL, NULL);
 751         test_path_startswith_one("/foo/bar/barfoo/", "", NULL, NULL);
 752         test_path_startswith_one("/foo/bar/barfoo/", "/bar/foo", NULL, NULL);
 753         test_path_startswith_one("/foo/bar/barfoo/", "/f/b/b/", NULL, NULL);
 754         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfo", NULL, NULL);
 755         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/bar", NULL, NULL);
 756         test_path_startswith_one("/foo/bar/barfoo/", "/fo", NULL, NULL);
 757 }
 758
 759 static void test_prefix_root_one(const char *r, const char *p, const char *expected) {
 760         _cleanup_free_ char *s = NULL;
 761         const char *t;
 762
 763         assert_se(s = path_join(r, p));
 764         assert_se(path_equal(s, expected));
 765
 766         t = prefix_roota(r, p);
 767         assert_se(t);
 768         assert_se(path_equal(t, expected));
 769 }
 770
 771 TEST(prefix_root) {
 772         test_prefix_root_one("/", "/foo", "/foo");
 773         test_prefix_root_one(NULL, "/foo", "/foo");
 774         test_prefix_root_one("", "/foo", "/foo");
 775         test_prefix_root_one("///", "/foo", "/foo");
 776         test_prefix_root_one("/", "////foo", "/foo");
 777         test_prefix_root_one(NULL, "////foo", "/foo");
 778         test_prefix_root_one("/", "foo", "/foo");
 779         test_prefix_root_one("", "foo", "foo");
 780         test_prefix_root_one(NULL, "foo", "foo");
 781
 782         test_prefix_root_one("/foo", "/bar", "/foo/bar");
 783         test_prefix_root_one("/foo", "bar", "/foo/bar");
 784         test_prefix_root_one("foo", "bar", "foo/bar");
 785         test_prefix_root_one("/foo/", "/bar", "/foo/bar");
 786         test_prefix_root_one("/foo/", "//bar", "/foo/bar");
 787         test_prefix_root_one("/foo///", "//bar", "/foo/bar");
 788 }
 789
 790 TEST(file_in_same_dir) {
 791         char *t;
 792
 793         assert_se(file_in_same_dir("/", "a", &t) == -EADDRNOTAVAIL);
 794
 795         assert_se(file_in_same_dir("/", "/a", &t) >= 0);
 796         assert_se(streq(t, "/a"));
 797         free(t);
 798
 799         assert_se(file_in_same_dir("", "a", &t) == -EINVAL);
 800
 801         assert_se(file_in_same_dir("a/", "x", &t) >= 0);
 802         assert_se(streq(t, "x"));
 803         free(t);
 804
 805         assert_se(file_in_same_dir("bar/foo", "bar", &t) >= 0);
 806         assert_se(streq(t, "bar/bar"));
 807         free(t);
 808 }
 809
 810 static void test_path_find_first_component_one(
 811                 const char *path,
 812                 bool accept_dot_dot,
 813                 char **expected,
 814                 int ret) {
 815
 816         log_debug("/* %s(\"%s\", accept_dot_dot=%s) */", __func__, strnull(path), yes_no(accept_dot_dot));
 817
 818         for (const char *p = path;;) {
 819                 const char *e;
 820                 int r;
 821
 822                 r = path_find_first_component(&p, accept_dot_dot, &e);
 823                 if (r <= 0) {
 824                         if (r == 0) {
 825                                 if (path) {
 826                                         assert_se(p == path + strlen_ptr(path));
 827                                         assert_se(isempty(p));
 828                                 } else
 829                                         assert_se(!p);
 830                                 assert_se(!e);
 831                         }
 832                         assert_se(r == ret);
 833                         assert_se(strv_isempty(expected));
 834                         return;
 835                 }
 836
 837                 assert_se(e);
 838                 assert_se(strcspn(e, "/") == (size_t) r);
 839                 assert_se(strlen_ptr(*expected) == (size_t) r);
 840                 assert_se(strneq(e, *expected++, r));
 841
 842                 assert_se(p);
 843                 log_debug("p=%s", p);
 844                 if (!isempty(*expected))
 845                         assert_se(startswith(p, *expected));
 846                 else if (ret >= 0) {
 847                         assert_se(p == path + strlen_ptr(path));
 848                         assert_se(isempty(p));
 849                 }
 850         }
 851 }
 852
 853 TEST(path_find_first_component) {
 854         _cleanup_free_ char *hoge = NULL;
 855         char foo[NAME_MAX * 2];
 856
 857         test_path_find_first_component_one(NULL, false, NULL, 0);
 858         test_path_find_first_component_one("", false, NULL, 0);
 859         test_path_find_first_component_one("/", false, NULL, 0);
 860         test_path_find_first_component_one(".", false, NULL, 0);
 861         test_path_find_first_component_one("./", false, NULL, 0);
 862         test_path_find_first_component_one("./.", false, NULL, 0);
 863         test_path_find_first_component_one("..", false, NULL, -EINVAL);
 864         test_path_find_first_component_one("/..", false, NULL, -EINVAL);
 865         test_path_find_first_component_one("./..", false, NULL, -EINVAL);
 866         test_path_find_first_component_one("////./././//.", false, NULL, 0);
 867         test_path_find_first_component_one("a/b/c", false, STRV_MAKE("a", "b", "c"), 0);
 868         test_path_find_first_component_one("././//.///aa/bbb//./ccc", false, STRV_MAKE("aa", "bbb", "ccc"), 0);
 869         test_path_find_first_component_one("././//.///aa/.../../bbb//./ccc/.", false, STRV_MAKE("aa", "..."), -EINVAL);
 870         test_path_find_first_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", false, STRV_MAKE("aaa", ".bbb"), -EINVAL);
 871         test_path_find_first_component_one("a/foo./b//././/", false, STRV_MAKE("a", "foo.", "b"), 0);
 872
 873         test_path_find_first_component_one(NULL, true, NULL, 0);
 874         test_path_find_first_component_one("", true, NULL, 0);
 875         test_path_find_first_component_one("/", true, NULL, 0);
 876         test_path_find_first_component_one(".", true, NULL, 0);
 877         test_path_find_first_component_one("./", true, NULL, 0);
 878         test_path_find_first_component_one("./.", true, NULL, 0);
 879         test_path_find_first_component_one("..", true, STRV_MAKE(".."), 0);
 880         test_path_find_first_component_one("/..", true, STRV_MAKE(".."), 0);
 881         test_path_find_first_component_one("./..", true, STRV_MAKE(".."), 0);
 882         test_path_find_first_component_one("////./././//.", true, NULL, 0);
 883         test_path_find_first_component_one("a/b/c", true, STRV_MAKE("a", "b", "c"), 0);
 884         test_path_find_first_component_one("././//.///aa/bbb//./ccc", true, STRV_MAKE("aa", "bbb", "ccc"), 0);
 885         test_path_find_first_component_one("././//.///aa/.../../bbb//./ccc/.", true, STRV_MAKE("aa", "...", "..", "bbb", "ccc"), 0);
 886         test_path_find_first_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", true, STRV_MAKE("aaa", ".bbb", "..", "c.", "d.dd", "..eeee"), 0);
 887         test_path_find_first_component_one("a/foo./b//././/", true, STRV_MAKE("a", "foo.", "b"), 0);
 888
 889         memset(foo, 'a', sizeof(foo) -1);
 890         char_array_0(foo);
 891
 892         test_path_find_first_component_one(foo, false, NULL, -EINVAL);
 893         test_path_find_first_component_one(foo, true, NULL, -EINVAL);
 894
 895         hoge = strjoin("a/b/c/", foo, "//d/e/.//f/");
 896         assert_se(hoge);
 897
 898         test_path_find_first_component_one(hoge, false, STRV_MAKE("a", "b", "c"), -EINVAL);
 899         test_path_find_first_component_one(hoge, true, STRV_MAKE("a", "b", "c"), -EINVAL);
 900 }
 901
 902 static void test_path_find_last_component_one(
 903                 const char *path,
 904                 bool accept_dot_dot,
 905                 char **expected,
 906                 int ret) {
 907
 908         log_debug("/* %s(\"%s\", accept_dot_dot=%s) */", __func__, strnull(path), yes_no(accept_dot_dot));
 909
 910         for (const char *next = NULL;;) {
 911                 const char *e;
 912                 int r;
 913
 914                 r = path_find_last_component(path, accept_dot_dot, &next, &e);
 915                 if (r <= 0) {
 916                         if (r == 0) {
 917                                 assert_se(next == path);
 918                                 assert_se(!e);
 919                         }
 920                         assert_se(r == ret);
 921                         assert_se(strv_isempty(expected));
 922                         return;
 923                 }
 924
 925                 assert_se(e);
 926                 assert_se(strcspn(e, "/") == (size_t) r);
 927                 assert_se(strlen_ptr(*expected) == (size_t) r);
 928                 assert_se(strneq(e, *expected++, r));
 929
 930                 assert_se(next);
 931                 log_debug("path=%s\nnext=%s", path, next);
 932                 if (!isempty(*expected)) {
 933                         assert_se(next < path + strlen(path));
 934                         assert_se(next >= path + strlen(*expected));
 935                         assert_se(startswith(next - strlen(*expected), *expected));
 936                 } else if (ret >= 0)
 937                         assert_se(next == path);
 938         }
 939 }
 940
 941 TEST(path_find_last_component) {
 942         _cleanup_free_ char *hoge = NULL;
 943         char foo[NAME_MAX * 2];
 944
 945         test_path_find_last_component_one(NULL, false, NULL, 0);
 946         test_path_find_last_component_one("", false, NULL, 0);
 947         test_path_find_last_component_one("/", false, NULL, 0);
 948         test_path_find_last_component_one(".", false, NULL, 0);
 949         test_path_find_last_component_one("./", false, NULL, 0);
 950         test_path_find_last_component_one("./.", false, NULL, 0);
 951         test_path_find_last_component_one("..", false, NULL, -EINVAL);
 952         test_path_find_last_component_one("/..", false, NULL, -EINVAL);
 953         test_path_find_last_component_one("./..", false, NULL, -EINVAL);
 954         test_path_find_last_component_one("////./././//.", false, NULL, 0);
 955         test_path_find_last_component_one("a/b/c", false, STRV_MAKE("c", "b", "a"), 0);
 956         test_path_find_last_component_one("././//.///aa./.bbb//./ccc/././/", false, STRV_MAKE("ccc", ".bbb", "aa."), 0);
 957         test_path_find_last_component_one("././//.///aa/../.../bbb//./ccc/.", false, STRV_MAKE("ccc", "bbb", "..."), -EINVAL);
 958         test_path_find_last_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", false, STRV_MAKE("..eeee", "d.dd", "c."), -EINVAL);
 959
 960         test_path_find_last_component_one(NULL, true, NULL, 0);
 961         test_path_find_last_component_one("", true, NULL, 0);
 962         test_path_find_last_component_one("/", true, NULL, 0);
 963         test_path_find_last_component_one(".", true, NULL, 0);
 964         test_path_find_last_component_one("./", true, NULL, 0);
 965         test_path_find_last_component_one("./.", true, NULL, 0);
 966         test_path_find_last_component_one("..", true, STRV_MAKE(".."), 0);
 967         test_path_find_last_component_one("/..", true, STRV_MAKE(".."), 0);
 968         test_path_find_last_component_one("./..", true, STRV_MAKE(".."), 0);
 969         test_path_find_last_component_one("////./././//.", true, NULL, 0);
 970         test_path_find_last_component_one("a/b/c", true, STRV_MAKE("c", "b", "a"), 0);
 971         test_path_find_last_component_one("././//.///aa./.bbb//./ccc/././/", true, STRV_MAKE("ccc", ".bbb", "aa."), 0);
 972         test_path_find_last_component_one("././//.///aa/../.../bbb//./ccc/.", true, STRV_MAKE("ccc", "bbb", "...", "..", "aa"), 0);
 973         test_path_find_last_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", true, STRV_MAKE("..eeee", "d.dd", "c.", "..", ".bbb", "aaa"), 0);
 974
 975         memset(foo, 'a', sizeof(foo) -1);
 976         char_array_0(foo);
 977
 978         test_path_find_last_component_one(foo, false, NULL, -EINVAL);
 979         test_path_find_last_component_one(foo, true, NULL, -EINVAL);
 980
 981         hoge = strjoin(foo, "/a/b/c/");
 982         assert_se(hoge);
 983
 984         test_path_find_last_component_one(hoge, false, STRV_MAKE("c", "b", "a"), -EINVAL);
 985         test_path_find_last_component_one(hoge, true, STRV_MAKE("c", "b", "a"), -EINVAL);
 986 }
 987
 988 TEST(last_path_component) {
 989         assert_se(last_path_component(NULL) == NULL);
 990         assert_se(streq(last_path_component("a/b/c"), "c"));
 991         assert_se(streq(last_path_component("a/b/c/"), "c/"));
 992         assert_se(streq(last_path_component("/"), "/"));
 993         assert_se(streq(last_path_component("//"), "/"));
 994         assert_se(streq(last_path_component("///"), "/"));
 995         assert_se(streq(last_path_component("."), "."));
 996         assert_se(streq(last_path_component("./."), "."));
 997         assert_se(streq(last_path_component("././"), "./"));
 998         assert_se(streq(last_path_component("././/"), ".//"));
 999         assert_se(streq(last_path_component("/foo/a"), "a"));
1000         assert_se(streq(last_path_component("/foo/a/"), "a/"));
1001         assert_se(streq(last_path_component(""), ""));
1002         assert_se(streq(last_path_component("a"), "a"));
1003         assert_se(streq(last_path_component("a/"), "a/"));
1004         assert_se(streq(last_path_component("/a"), "a"));
1005         assert_se(streq(last_path_component("/a/"), "a/"));
1006 }
1007
1008 static void test_path_extract_filename_one(const char *input, const char *output, int ret) {
1009         _cleanup_free_ char *k = NULL;
1010         int r;
1011
1012         r = path_extract_filename(input, &k);
1013         log_info("%s → %s/%s [expected: %s/%s]",
1014                  strnull(input),
1015                  strnull(k), r < 0 ? STRERROR(r) : "-",
1016                  strnull(output), ret < 0 ? STRERROR(ret) : "-");
1017         assert_se(streq_ptr(k, output));
1018         assert_se(r == ret);
1019 }
1020
1021 TEST(path_extract_filename) {
1022         test_path_extract_filename_one(NULL, NULL, -EINVAL);
1023         test_path_extract_filename_one("a/b/c", "c", 0);
1024         test_path_extract_filename_one("a/b/c/", "c", O_DIRECTORY);
1025         test_path_extract_filename_one("/", NULL, -EADDRNOTAVAIL);
1026         test_path_extract_filename_one("//", NULL, -EADDRNOTAVAIL);
1027         test_path_extract_filename_one("///", NULL, -EADDRNOTAVAIL);
1028         test_path_extract_filename_one("/.", NULL, -EADDRNOTAVAIL);
1029         test_path_extract_filename_one(".", NULL, -EADDRNOTAVAIL);
1030         test_path_extract_filename_one("./", NULL, -EADDRNOTAVAIL);
1031         test_path_extract_filename_one("./.", NULL, -EADDRNOTAVAIL);
1032         test_path_extract_filename_one("././", NULL, -EADDRNOTAVAIL);
1033         test_path_extract_filename_one("././/", NULL, -EADDRNOTAVAIL);
1034         test_path_extract_filename_one("/foo/a", "a", 0);
1035         test_path_extract_filename_one("/foo/a/", "a", O_DIRECTORY);
1036         test_path_extract_filename_one("", NULL, -EINVAL);
1037         test_path_extract_filename_one("a", "a", 0);
1038         test_path_extract_filename_one("a/", "a", O_DIRECTORY);
1039         test_path_extract_filename_one("a/././//.", "a", O_DIRECTORY);
1040         test_path_extract_filename_one("/a", "a", 0);
1041         test_path_extract_filename_one("/a/", "a", O_DIRECTORY);
1042         test_path_extract_filename_one("/a//./.", "a", O_DIRECTORY);
1043         test_path_extract_filename_one("/////////////a/////////////", "a", O_DIRECTORY);
1044         test_path_extract_filename_one("//./a/.///b./././.c//./d//.", "d", O_DIRECTORY);
1045         test_path_extract_filename_one("xx/.", "xx", O_DIRECTORY);
1046         test_path_extract_filename_one("xx/..", NULL, -EINVAL);
1047         test_path_extract_filename_one("..", NULL, -EINVAL);
1048         test_path_extract_filename_one("/..", NULL, -EINVAL);
1049         test_path_extract_filename_one("../", NULL, -EINVAL);
1050 }
1051
1052 static void test_path_extract_directory_one(const char *input, const char *output, int ret) {
1053         _cleanup_free_ char *k = NULL;
1054         int r;
1055
1056         r = path_extract_directory(input, &k);
1057         log_info("%s → %s/%s [expected: %s/%s]",
1058                  strnull(input),
1059                  strnull(k), r < 0 ? STRERROR(r) : "-",
1060                  strnull(output), STRERROR(ret));
1061         assert_se(streq_ptr(k, output));
1062         assert_se(r == ret);
1063
1064         /* Extra safety check: let's make sure that if we split out the filename too (and it works) the
1065          * joined parts are identical to the original again */
1066         if (r >= 0) {
1067                 _cleanup_free_ char *f = NULL;
1068
1069                 r = path_extract_filename(input, &f);
1070                 if (r >= 0) {
1071                         _cleanup_free_ char *j = NULL;
1072
1073                         assert_se(j = path_join(k, f));
1074                         assert_se(path_equal(input, j));
1075                 }
1076         }
1077 }
1078
1079 TEST(path_extract_directory) {
1080         test_path_extract_directory_one(NULL, NULL, -EINVAL);
1081         test_path_extract_directory_one("a/b/c", "a/b", 0);
1082         test_path_extract_directory_one("a/b/c/", "a/b", 0);
1083         test_path_extract_directory_one("/", NULL, -EADDRNOTAVAIL);
1084         test_path_extract_directory_one("//", NULL, -EADDRNOTAVAIL);
1085         test_path_extract_directory_one("///", NULL, -EADDRNOTAVAIL);
1086         test_path_extract_directory_one("/.", NULL, -EADDRNOTAVAIL);
1087         test_path_extract_directory_one(".", NULL, -EADDRNOTAVAIL);
1088         test_path_extract_directory_one("./", NULL, -EADDRNOTAVAIL);
1089         test_path_extract_directory_one("./.", NULL, -EADDRNOTAVAIL);
1090         test_path_extract_directory_one("././", NULL, -EADDRNOTAVAIL);
1091         test_path_extract_directory_one("././/", NULL, -EADDRNOTAVAIL);
1092         test_path_extract_directory_one("/foo/a", "/foo", 0);
1093         test_path_extract_directory_one("/foo/a/", "/foo", 0);
1094         test_path_extract_directory_one("", NULL, -EINVAL);
1095         test_path_extract_directory_one("a", NULL, -EDESTADDRREQ);
1096         test_path_extract_directory_one("a/", NULL, -EDESTADDRREQ);
1097         test_path_extract_directory_one("a/././//.", NULL, -EDESTADDRREQ);
1098         test_path_extract_directory_one("/a", "/", 0);
1099         test_path_extract_directory_one("/a/", "/", 0);
1100         test_path_extract_directory_one("/a//./.", "/", 0);
1101         test_path_extract_directory_one("/////////////a/////////////", "/", 0);
1102         test_path_extract_directory_one("//./a/.///b./././.c//./d//.", "/a/b./.c", 0);
1103         test_path_extract_directory_one("xx/.", NULL, -EDESTADDRREQ);
1104         test_path_extract_directory_one("xx/..", NULL, -EINVAL);
1105         test_path_extract_directory_one("..", NULL, -EINVAL);
1106         test_path_extract_directory_one("/..", NULL, -EINVAL);
1107         test_path_extract_directory_one("../", NULL, -EINVAL);
1108 }
1109
1110 TEST(filename_is_valid) {
1111         char foo[NAME_MAX+2];
1112
1113         assert_se(!filename_is_valid(""));
1114         assert_se(!filename_is_valid("/bar/foo"));
1115         assert_se(!filename_is_valid("/"));
1116         assert_se(!filename_is_valid("."));
1117         assert_se(!filename_is_valid(".."));
1118         assert_se(!filename_is_valid("bar/foo"));
1119         assert_se(!filename_is_valid("bar/foo/"));
1120         assert_se(!filename_is_valid("bar//"));
1121
1122         memset(foo, 'a', sizeof(foo) - 1);
1123         char_array_0(foo);
1124
1125         assert_se(!filename_is_valid(foo));
1126
1127         assert_se(filename_is_valid("foo_bar-333"));
1128         assert_se(filename_is_valid("o.o"));
1129 }
1130
1131 static void test_path_is_valid_and_safe_one(const char *p, bool ret) {
1132         log_debug("/* %s(\"%s\") */", __func__, strnull(p));
1133
1134         assert_se(path_is_valid(p) == ret);
1135         if (ret)
1136                 ret = !streq(p, "..") &&
1137                         !startswith(p, "../") &&
1138                         !endswith(p, "/..") &&
1139                         !strstr(p, "/../");
1140         assert_se(path_is_safe(p) == ret);
1141 }
1142
1143 TEST(path_is_valid_and_safe) {
1144         char foo[PATH_MAX+2];
1145         const char *c;
1146
1147         test_path_is_valid_and_safe_one("", false);
1148         test_path_is_valid_and_safe_one("/bar/foo", true);
1149         test_path_is_valid_and_safe_one("/bar/foo/", true);
1150         test_path_is_valid_and_safe_one("/bar/foo/", true);
1151         test_path_is_valid_and_safe_one("//bar//foo//", true);
1152         test_path_is_valid_and_safe_one("/", true);
1153         test_path_is_valid_and_safe_one("/////", true);
1154         test_path_is_valid_and_safe_one("/////.///.////...///..//.", true);
1155         test_path_is_valid_and_safe_one(".", true);
1156         test_path_is_valid_and_safe_one("..", true);
1157         test_path_is_valid_and_safe_one("bar/foo", true);
1158         test_path_is_valid_and_safe_one("bar/foo/", true);
1159         test_path_is_valid_and_safe_one("bar//", true);
1160
1161         memset(foo, 'a', sizeof(foo) -1);
1162         char_array_0(foo);
1163
1164         test_path_is_valid_and_safe_one(foo, false);
1165
1166         c = strjoina("/xxx/", foo, "/yyy");
1167         test_path_is_valid_and_safe_one(c, false);
1168
1169         test_path_is_valid_and_safe_one("foo_bar-333", true);
1170         test_path_is_valid_and_safe_one("o.o", true);
1171 }
1172
1173 TEST(hidden_or_backup_file) {
1174         assert_se(hidden_or_backup_file(".hidden"));
1175         assert_se(hidden_or_backup_file("..hidden"));
1176         assert_se(!hidden_or_backup_file("hidden."));
1177
1178         assert_se(hidden_or_backup_file("backup~"));
1179         assert_se(hidden_or_backup_file(".backup~"));
1180
1181         assert_se(hidden_or_backup_file("lost+found"));
1182         assert_se(hidden_or_backup_file("aquota.user"));
1183         assert_se(hidden_or_backup_file("aquota.group"));
1184
1185         assert_se(hidden_or_backup_file("test.rpmnew"));
1186         assert_se(hidden_or_backup_file("test.dpkg-old"));
1187         assert_se(hidden_or_backup_file("test.dpkg-remove"));
1188         assert_se(hidden_or_backup_file("test.swp"));
1189
1190         assert_se(!hidden_or_backup_file("test.rpmnew."));
1191         assert_se(!hidden_or_backup_file("test.dpkg-old.foo"));
1192 }
1193
1194 TEST(skip_dev_prefix) {
1195         assert_se(streq(skip_dev_prefix("/"), "/"));
1196         assert_se(streq(skip_dev_prefix("/dev"), ""));
1197         assert_se(streq(skip_dev_prefix("/dev/"), ""));
1198         assert_se(streq(skip_dev_prefix("/dev/foo"), "foo"));
1199         assert_se(streq(skip_dev_prefix("/dev/foo/bar"), "foo/bar"));
1200         assert_se(streq(skip_dev_prefix("//dev"), ""));
1201         assert_se(streq(skip_dev_prefix("//dev//"), ""));
1202         assert_se(streq(skip_dev_prefix("/dev///foo"), "foo"));
1203         assert_se(streq(skip_dev_prefix("///dev///foo///bar"), "foo///bar"));
1204         assert_se(streq(skip_dev_prefix("//foo"), "//foo"));
1205         assert_se(streq(skip_dev_prefix("foo"), "foo"));
1206 }
1207
1208 TEST(empty_or_root) {
1209         assert_se(empty_or_root(NULL));
1210         assert_se(empty_or_root(""));
1211         assert_se(empty_or_root("/"));
1212         assert_se(empty_or_root("//"));
1213         assert_se(empty_or_root("///"));
1214         assert_se(empty_or_root("/////////////////"));
1215         assert_se(!empty_or_root("xxx"));
1216         assert_se(!empty_or_root("/xxx"));
1217         assert_se(!empty_or_root("/xxx/"));
1218         assert_se(!empty_or_root("//yy//"));
1219 }
1220
1221 TEST(path_startswith_set) {
1222         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/bar", "/zzz"), ""));
1223         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/", "/zzz"), "bar"));
1224         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo", "/zzz"), "bar"));
1225         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/", "/zzz"), "foo/bar"));
1226         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "", "/zzz"), NULL));
1227
1228         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/bar", "/zzz"), NULL));
1229         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/", "/zzz"), "bar2"));
1230         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo", "/zzz"), "bar2"));
1231         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/", "/zzz"), "foo/bar2"));
1232         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "", "/zzz"), NULL));
1233
1234         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/bar", "/zzz"), NULL));
1235         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/", "/zzz"), NULL));
1236         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo", "/zzz"), NULL));
1237         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/", "/zzz"), "foo2/bar"));
1238         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "", "/zzz"), NULL));
1239 }
1240
1241 TEST(path_startswith_strv) {
1242         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), ""));
1243         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar"));
1244         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar"));
1245         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar"));
1246         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
1247
1248         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL));
1249         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar2"));
1250         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar2"));
1251         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar2"));
1252         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
1253
1254         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL));
1255         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), NULL));
1256         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), NULL));
1257         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo2/bar"));
1258         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
1259 }
1260
1261 static void test_path_glob_can_match_one(const char *pattern, const char *prefix, const char *expected) {
1262         _cleanup_free_ char *result = NULL;
1263
1264         log_debug("%s(%s, %s, %s)", __func__, pattern, prefix, strnull(expected));
1265
1266         assert_se(path_glob_can_match(pattern, prefix, &result) == !!expected);
1267         assert_se(streq_ptr(result, expected));
1268 }
1269
1270 TEST(path_glob_can_match) {
1271         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge/aaa/bbb", NULL);
1272         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge/aaa", "/foo/hoge/aaa");
1273         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge", "/foo/hoge/aaa");
1274         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo", "/foo/hoge/aaa");
1275         test_path_glob_can_match_one("/foo/hoge/aaa", "/", "/foo/hoge/aaa");
1276
1277         test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge/aaa/bbb", NULL);
1278         test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge/aaa", "/foo/hoge/aaa");
1279         test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge", "/foo/hoge/aaa");
1280         test_path_glob_can_match_one("/foo/*/aaa", "/foo", "/foo/*/aaa");
1281         test_path_glob_can_match_one("/foo/*/aaa", "/", "/foo/*/aaa");
1282
1283         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy/aaa/bbb", NULL);
1284         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy/aaa", "/foo/xxx/yyy/aaa");
1285         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy", "/foo/xxx/yyy/aaa");
1286         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx", "/foo/xxx/*/aaa");
1287         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo", "/foo/*/*/aaa");
1288         test_path_glob_can_match_one("/foo/*/*/aaa", "/", "/foo/*/*/aaa");
1289
1290         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa/bbb/ccc", NULL);
1291         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa/bbb", "/foo/xxx/aaa/bbb");
1292         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/ccc", NULL);
1293         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa", "/foo/xxx/aaa/*");
1294         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx", "/foo/xxx/aaa/*");
1295         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo", "/foo/*/aaa/*");
1296         test_path_glob_can_match_one("/foo/*/aaa/*", "/", "/foo/*/aaa/*");
1297 }
1298
1299 TEST(print_MAX) {
1300         log_info("PATH_MAX=%zu\n"
1301                  "FILENAME_MAX=%zu\n"
1302                  "NAME_MAX=%zu",
1303                  (size_t) PATH_MAX,
1304                  (size_t) FILENAME_MAX,
1305                  (size_t) NAME_MAX);
1306
1307         assert_cc(FILENAME_MAX == PATH_MAX);
1308 }
1309
1310 TEST(path_implies_directory) {
1311         assert_se(!path_implies_directory(NULL));
1312         assert_se(!path_implies_directory(""));
1313         assert_se(path_implies_directory("/"));
1314         assert_se(path_implies_directory("////"));
1315         assert_se(path_implies_directory("////.///"));
1316         assert_se(path_implies_directory("////./"));
1317         assert_se(path_implies_directory("////."));
1318         assert_se(path_implies_directory("."));
1319         assert_se(path_implies_directory("./"));
1320         assert_se(path_implies_directory("/."));
1321         assert_se(path_implies_directory(".."));
1322         assert_se(path_implies_directory("../"));
1323         assert_se(path_implies_directory("/.."));
1324         assert_se(!path_implies_directory("a"));
1325         assert_se(!path_implies_directory("ab"));
1326         assert_se(path_implies_directory("ab/"));
1327         assert_se(!path_implies_directory("ab/a"));
1328         assert_se(path_implies_directory("ab/a/"));
1329         assert_se(path_implies_directory("ab/a/.."));
1330         assert_se(path_implies_directory("ab/a/."));
1331         assert_se(path_implies_directory("ab/a//"));
1332 }
1333
1334 DEFINE_TEST_MAIN(LOG_DEBUG);