[LTP] [PATCH 3/5] alarm05: use TST_EXP_* macros

[Avinesh Kumar <akumar@suse.de>]

- turn comment into docparse format
- make check fix: un-initialize static var
- simplify test using TST_EXP_* macros

Signed-off-by: Avinesh Kumar <akumar@suse.de>
---
 testcases/kernel/syscalls/alarm/alarm05.c | 30 ++++++-----------------
 1 file changed, 7 insertions(+), 23 deletions(-)

diff --git a/testcases/kernel/syscalls/alarm/alarm05.c b/testcases/kernel/syscalls/alarm/alarm05.c
index c60f98994..2a1258f6a 100644
--- a/testcases/kernel/syscalls/alarm/alarm05.c
+++ b/testcases/kernel/syscalls/alarm/alarm05.c
@@ -7,8 +7,9 @@
  * Copyright (c) 2018 Cyril Hrubis <chrubis@suse.cz>
  */
 
-/*
- * Test Description:
+/*\
+ * [Description]
+ *
  *  The return value of the alarm system call should be equal to the
  *  amount previously remaining in the alarm clock.
  *  A SIGALRM signal should be received after the specified amount of
@@ -17,34 +18,17 @@
 
 #include "tst_test.h"
 
-static volatile int alarms_fired = 0;
+static volatile int alarms_fired;
 
 static void run(void)
 {
-	unsigned int ret;
-
 	alarms_fired = 0;
 
-	ret = alarm(10);
-	if (ret)
-		tst_res(TFAIL, "alarm() returned non-zero");
-	else
-		tst_res(TPASS, "alarm() returned zero");
-
+	TST_EXP_PASS(alarm(10));
 	sleep(1);
-
-	ret = alarm(1);
-	if (ret == 9)
-		tst_res(TPASS, "alarm() returned remainder correctly");
-	else
-		tst_res(TFAIL, "alarm() returned wrong remained %u", ret);
-
+	TST_EXP_VAL(alarm(1), 9);
 	sleep(2);
-
-	if (alarms_fired == 1)
-		tst_res(TPASS, "alarm handler fired once");
-	else
-		tst_res(TFAIL, "alarm handler filred %u times", alarms_fired);
+	TST_EXP_EQ_LU(alarms_fired, 1);
 }
 
 static void sighandler(int sig)
-- 
2.36.1


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