From ab1589b310fa83e64063f5615a635bad0f66b17c Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C5=81ukasz=20Stelmach?= <l.stelmach@samsung.com>
Date: Thu, 8 Apr 2021 15:36:04 +0200
Subject: [PATCH] logger-test: more intensive tests
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

Send enough data to logger to fill the whole ring buffer.

Test assembly of large messages without newline characters.

Check return value from write(2).

Remove some dead code.

Change-Id: I165458f5c7831bd925164aa087f28fd319c9872f
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
---
 tools/testing/selftests/logger/logger.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/tools/testing/selftests/logger/logger.c b/tools/testing/selftests/logger/logger.c
index 18a3ea7..c3e4281 100644
--- a/tools/testing/selftests/logger/logger.c
+++ b/tools/testing/selftests/logger/logger.c
@@ -1,9 +1,9 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <getopt.h>
-#include <linux/const.h>
 #include <linux/logger.h>
 #include <pthread.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -75,12 +75,6 @@ int main(int ac, char *av[]) {
 	setlinebuf(stdout);
 	fd = open(device, O_WRONLY);
 
-	if (ac >= 2) {
-	}
-
-	if (ac == 3) {
-	}
-
 	if (test_mask & BIT(0)) {
 		vec[0].iov_base = &prio;
 		vec[0].iov_len = 1;
@@ -103,8 +97,10 @@ int main(int ac, char *av[]) {
 	ioctl(fd, LOGGER_SET_TAG, &struct_tag);
 
 	if (test_mask & BIT(2)) {
-
-		write(fd, "The Foo From STDIO\n", 19);
+		int count;
+		count = write(fd, "The Foo From STDIO\n", 19);
+		if (count != 19)
+			printf("count != 19\n");
 
 		write(fd, "LINE #1\nLINE #2", 15);
 		write(fd, " CONTINUED\nONCE", 15);
@@ -117,12 +113,21 @@ int main(int ac, char *av[]) {
 			return 1;
 
 		for (int i = 0; i < 8000; i++)
-			msg[i] = ' ' + (i % 96);
+			msg[i] = '!' + (i % 95);
 		msg[7999] = '\n';
 		write(fd, msg, 8000);
+
+		for (int i = 0; (test_mask & BIT(4)) && i < 40; i++)
+			write(fd, msg, 8000);
+
+		for (int i = 0; (test_mask & BIT(5)) && i < 8000; i++)
+			write(fd, &msg[i], 1);
+
+		free(msg);
+		msg = NULL;
 	}
 
-	if (test_mask & BIT(4)) {
+	if (test_mask & BIT(6)) {
 		child = fork();
 		if (child < 0) {
 			return -1;
@@ -140,7 +145,7 @@ int main(int ac, char *av[]) {
 		wait(&s);
 	}
 
-	if (test_mask & BIT(5)) {
+	if (test_mask & BIT(7)) {
 		s = pthread_create(&tid, NULL, &tstart, &fd);
 		if (s != 0)
 			handle_error_en(s, "pthread_create");
-- 
2.7.4