Update sysfs.sh DAMON selftest to cover basic file operations for the
sysfs files under the admin/reports/ directory.

Signed-off-by: SJ Park <sj@kernel.org>
---
 tools/testing/selftests/damon/sysfs.sh | 52 ++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/tools/testing/selftests/damon/sysfs.sh b/tools/testing/selftests/damon/sysfs.sh
index 1cc7ab2d7e22f..577953ee4e631 100755
--- a/tools/testing/selftests/damon/sysfs.sh
+++ b/tools/testing/selftests/damon/sysfs.sh
@@ -510,6 +510,57 @@ test_kdamonds()
 	ensure_dir "$kdamonds_dir/1" "not_exist"
 }
 
+test_producer()
+{
+	producer_dir=$1
+	ensure_file "$producer_dir/report_type" "exist" "600"
+	ensure_write_succ "$producer_dir/report_type" "user_report" \
+		"valid input"
+	ensure_write_fail "$producer_dir/report_type" "foo" "invlid input"
+
+	ensure_file "$producer_dir/producer_state" "exist" "600"
+	ensure_write_succ "$producer_dir/producer_state" "on" "valid input"
+	ensure_write_succ "$producer_dir/producer_state" "submit" "valid input"
+	ensure_write_succ "$producer_dir/producer_state" "off" "valid input"
+	ensure_write_fail "$producer_dir/producer_state" "foo" "invalid input"
+
+	ensure_file "$producer_dir/addr_start" "exist" "600"
+	ensure_write_succ "$producer_dir/addr_start" 123 "valid input"
+	ensure_write_fail "$producer_dir/addr_start" foo "uinvalid input"
+	ensure_write_fail "$producer_dir/addr_start" "1.23" "uinvalid input"
+
+	ensure_file "$producer_dir/addr_end" "exist" "600"
+	ensure_write_succ "$producer_dir/addr_end" 123 "valid input"
+	ensure_write_fail "$producer_dir/addr_end" foo "uinvalid input"
+	ensure_write_fail "$producer_dir/addr_end" "1.23" "uinvalid input"
+}
+
+test_producers()
+{
+	producers_dir=$1
+	ensure_dir "$producers_dir" "exist"
+
+	ensure_file "$producers_dir/nr_producers" "exist" "600"
+
+	ensure_write_succ "$producers_dir/nr_producers" "1" "valid input"
+	test_producer "$producers_dir/0"
+
+	ensure_write_succ "$producers_dir/nr_producers" "2" "valid input"
+	test_producer "$producers_dir/0"
+	test_producer "$producers_dir/1"
+
+	ensure_write_succ "$producers_dir/nr_producers" "0" "valid input"
+	ensure_dir "$producers_dir/0" "not_exist"
+	ensure_dir "$producers_dir/1" "not_exist"
+}
+
+test_reports()
+{
+	reports_dir=$1
+	ensure_dir "$reports_dir" "exist"
+	test_producers "$reports_dir/producers"
+}
+
 test_damon_sysfs()
 {
 	damon_sysfs=$1
@@ -520,6 +571,7 @@ test_damon_sysfs()
 	fi
 
 	test_kdamonds "$damon_sysfs/kdamonds"
+	test_reports "$damon_sysfs/reports"
 }
 
 check_dependencies
-- 
2.47.3