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test: add test case for rename_noreplace()

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This commit is contained in:
Lennart Poettering 2018-10-02 16:10:39 +02:00
parent 2f15b6253a
commit 4a5d77615e
1 changed files with 72 additions and 0 deletions
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72
src/test/test-fs-util.c
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@ -614,6 +614,77 @@ static void test_fsync_directory_of_file(void) {
assert_se(fsync_directory_of_file(fd) >= 0);
}
static void test_rename_noreplace(void) {
const char* const table[] = {
"/reg",
"/dir",
"/fifo",
"/socket",
"/symlink",
NULL
};
_cleanup_(rm_rf_physical_and_freep) char *z = NULL;
const char *e, *j;
char **a, **b;
e = getenv("RENAME_NOREPLACE_DIR");
if (e) {
j = strjoina(e, "/testXXXXXX");
assert_se(mkdtemp_malloc(j, &z) >= 0);
} else
assert_se(mkdtemp_malloc(NULL, &z) >= 0);
j = strjoina(z, table[0]);
assert_se(touch(j) >= 0);
j = strjoina(z, table[1]);
assert_se(mkdir(j, 0777) >= 0);
j = strjoina(z, table[2]);
(void) mkfifo(j, 0777);
j = strjoina(z, table[3]);
(void) mknod(j, S_IFSOCK | 0777, 0);
j = strjoina(z, table[4]);
(void) symlink("foobar", j);
STRV_FOREACH(a, (char**) table) {
_cleanup_free_ char *x = NULL, *y = NULL;
x = strjoin(z, *a);
assert_se(x);
if (access(x, F_OK) < 0) {
assert_se(errno == ENOENT);
continue;
}
STRV_FOREACH(b, (char**) table) {
y = strjoin(z, *b);
assert_se(y);
if (access(y, F_OK) < 0) {
assert_se(errno == ENOENT);
continue;
}
assert_se(rename_noreplace(AT_FDCWD, x, AT_FDCWD, y) == -EEXIST);
y = mfree(y);
}
y = strjoin(z, "/somethingelse");
assert_se(y);
assert_se(rename_noreplace(AT_FDCWD, x, AT_FDCWD, y) >= 0);
assert_se(rename_noreplace(AT_FDCWD, y, AT_FDCWD, x) >= 0);
}
}
int main(int argc, char *argv[]) {
test_unlink_noerrno();
test_get_files_in_directory();
@ -625,6 +696,7 @@ int main(int argc, char *argv[]) {
test_touch_file();
test_unlinkat_deallocate();
test_fsync_directory_of_file();
test_rename_noreplace();
return 0;
}