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path_test: Verify that operations on unlinked files work

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MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mark Johnston 2022-04-18 17:46:04 -04:00
parent 081b4452a7
commit b13ac67842
1 changed files with 33 additions and 0 deletions
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33
tests/sys/file/path_test.c
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@ -900,6 +900,38 @@ ATF_TC_BODY(path_unix, tc)
CHECKED_CLOSE(pathfd);
}
/*
* Check that we can perform operations using an O_PATH fd for an unlinked file.
*/
ATF_TC_WITHOUT_HEAD(path_unlinked);
ATF_TC_BODY(path_unlinked, tc)
{
char path[PATH_MAX];
struct stat sb;
int pathfd;
mktfile(path, "path_rights.XXXXXX");
pathfd = open(path, O_PATH);
ATF_REQUIRE_MSG(pathfd >= 0, FMT_ERR("open"));
ATF_REQUIRE_MSG(fstatat(pathfd, "", &sb, AT_EMPTY_PATH) == 0,
FMT_ERR("fstatat"));
ATF_REQUIRE(sb.st_nlink == 1);
ATF_REQUIRE_MSG(fstat(pathfd, &sb) == 0, FMT_ERR("fstat"));
ATF_REQUIRE(sb.st_nlink == 1);
ATF_REQUIRE_MSG(unlink(path) == 0, FMT_ERR("unlink"));
ATF_REQUIRE_MSG(fstatat(pathfd, "", &sb, AT_EMPTY_PATH) == 0,
FMT_ERR("fstatat"));
ATF_REQUIRE(sb.st_nlink == 0);
ATF_REQUIRE_MSG(fstat(pathfd, &sb) == 0, FMT_ERR("fstat"));
ATF_REQUIRE(sb.st_nlink == 0);
CHECKED_CLOSE(pathfd);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, path_access);
@ -922,6 +954,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, path_pipe_fstatat);
ATF_TP_ADD_TC(tp, path_rights);
ATF_TP_ADD_TC(tp, path_unix);
ATF_TP_ADD_TC(tp, path_unlinked);
return (atf_no_error());
}