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test: add tests for fd_get_path()

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This commit is contained in:
Yu Watanabe
2023-03-30 12:03:33 +09:00
parent 62c72c60b5
commit 8067fe86ff
1 changed files with 112 additions and 0 deletions
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src/test/test-fd-util.c
+112
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@@ -9,6 +9,7 @@
#include "data-fd-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "macro.h"
#include "memory-util.h"
#include "missing_syscall.h"
@@ -633,4 +634,115 @@ TEST(dir_fd_is_root) {
assert_se(dir_fd_is_root(fd) == 0);
}
TEST(fd_get_path) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
_cleanup_close_ int tfd = -EBADF, fd = -EBADF;
_cleanup_free_ char *p = NULL, *q = NULL, *saved_cwd = NULL;
tfd = mkdtemp_open(NULL, O_PATH, &t);
assert_se(tfd >= 0);
assert_se(fd_get_path(tfd, &p) >= 0);
assert_se(streq(p, t));
p = mfree(p);
assert_se(safe_getcwd(&saved_cwd) >= 0);
assert_se(chdir(t) >= 0);
assert_se(q = path_join(t, "regular"));
assert_se(touch(q) >= 0);
assert_se(mkdirat_parents(tfd, "subdir/symlink", 0755) >= 0);
assert_se(symlinkat("../regular", tfd, "subdir/symlink") >= 0);
assert_se(symlinkat("subdir", tfd, "symdir") >= 0);
fd = openat(tfd, "regular", O_CLOEXEC|O_PATH);
assert_se(fd >= 0);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(AT_FDCWD, "regular", O_CLOEXEC|O_PATH);
assert_se(fd >= 0);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(tfd, "subdir/symlink", O_CLOEXEC|O_PATH);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) >= 0);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(AT_FDCWD, "subdir/symlink", O_CLOEXEC|O_PATH);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) >= 0);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(tfd, "symdir//./symlink", O_CLOEXEC|O_PATH);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) >= 0);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(AT_FDCWD, "symdir//./symlink", O_CLOEXEC|O_PATH);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) >= 0);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
q = mfree(q);
fd = safe_close(fd);
assert_se(q = path_join(t, "subdir/symlink"));
fd = openat(tfd, "subdir/symlink", O_CLOEXEC|O_PATH|O_NOFOLLOW);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) == -ELOOP);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(AT_FDCWD, "subdir/symlink", O_CLOEXEC|O_PATH|O_NOFOLLOW);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) == -ELOOP);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(tfd, "symdir//./symlink", O_CLOEXEC|O_PATH|O_NOFOLLOW);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) == -ELOOP);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
p = mfree(p);
fd = safe_close(fd);
fd = openat(AT_FDCWD, "symdir//./symlink", O_CLOEXEC|O_PATH|O_NOFOLLOW);
assert_se(fd >= 0);
assert_se(fd_verify_regular(fd) == -ELOOP);
assert_se(fd_get_path(fd, &p) >= 0);
assert_se(streq(p, q));
assert_se(chdir(saved_cwd) >= 0);
}
DEFINE_TEST_MAIN(LOG_DEBUG);