[LTP] [PATCH 1/1] test_macros: Add TST_EXP_PASS_OR_FAIL()

[Petr Vorel]

This allows instead of:

	if (err) {
		TST_EXP_FAIL(epoll_ctl(efd, EPOLL_CTL_ADD,
				 fd.fd, &ev), err,
				 "epoll_ctl() on %s", tst_fd_desc(&fd));
	} else {
		TST_EXP_PASS(epoll_ctl(efd, EPOLL_CTL_ADD,
				 fd.fd, &ev),
				 "epoll_ctl() on %s", tst_fd_desc(&fd));
	}

to simplify to just:
	TST_EXP_PASS_OR_FAIL(epoll_ctl(efd, EPOLL_CTL_ADD,
			 fd.fd, &ev), err,
			 "epoll_ctl() on %s", tst_fd_desc(&fd));

+ Fix macro parameter name in TST_EXP_FD_OR_FAIL() (upper case).

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
 include/tst_test_macros.h | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/include/tst_test_macros.h b/include/tst_test_macros.h
index f06c8aeb77..e980cc6022 100644
--- a/include/tst_test_macros.h
+++ b/include/tst_test_macros.h
@@ -168,7 +168,7 @@ extern int TST_PASS;
  * @ERRNO: Expected errno or 0.
  * @...: A printf-like parameters.
  *
- * Expect a file descriptor if errno is 0 otherwise expect a failure with
+ * Expect a file descriptor if ERRNO is 0 otherwise expect a failure with
  * expected errno.
  *
  * Internally it uses TST_EXP_FAIL() and TST_EXP_FD().
@@ -354,6 +354,29 @@ extern int TST_PASS;
 			TST_MSG_(TPASS, " passed", #SCALL, ##__VA_ARGS__);     \
 	} while (0)
 
+/**
+ * TST_EXP_PASS_OR_FAIL() - Test syscall to and expect to pass or fail with
+ * expected errno.
+ *
+ * @SCALL: Tested syscall.
+ * @ERRNO: Expected errno or 0.
+ * @...: A printf-like parameters.
+ *
+ * Expect to pass if ERRNO is 0 otherwise expect a failure with
+ * expected errno.
+ *
+ * Internally it uses TST_EXP_FAIL() and TST_EXP_PASS().
+ */
+#define TST_EXP_PASS_OR_FAIL(SCALL, ERRNO, ...)                                \
+	({                                                                     \
+		if (ERRNO)                                                     \
+			TST_EXP_FAIL(SCALL, ERRNO, ##__VA_ARGS__);             \
+		else                                                           \
+			TST_EXP_PASS(SCALL, ##__VA_ARGS__);                      \
+		                                                               \
+		TST_RET;                                                       \
+	})
+
 /**
  * TST_EXP_PASS_PTR_VOID() - Test syscall to return a valid pointer.
  *
-- 
2.54.0