linux-kernel - [RFC v7 6/7] mm/damon/selftests: Add 'schemes' debugfs tests

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Message-ID: <20200429124540.32232-7-sjpark@amazon.com>
Date:   Wed, 29 Apr 2020 14:45:39 +0200
From:   SeongJae Park <sjpark@...zon.com>
To:     <akpm@...ux-foundation.org>
CC:     SeongJae Park <sjpark@...zon.de>, <Jonathan.Cameron@...wei.com>,
        <aarcange@...hat.com>, <acme@...nel.org>,
        <alexander.shishkin@...ux.intel.com>, <amit@...nel.org>,
        <benh@...nel.crashing.org>, <brendan.d.gregg@...il.com>,
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        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [RFC v7 6/7] mm/damon/selftests: Add 'schemes' debugfs tests

From: SeongJae Park <sjpark@...zon.de>

This commit adds simple selftets for 'schemes' debugfs file of DAMON.

Signed-off-by: SeongJae Park <sjpark@...zon.de>
---
 .../testing/selftests/damon/debugfs_attrs.sh  | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/tools/testing/selftests/damon/debugfs_attrs.sh b/tools/testing/selftests/damon/debugfs_attrs.sh
index d5188b0f71b1..4aeb2037a67e 100755
--- a/tools/testing/selftests/damon/debugfs_attrs.sh
+++ b/tools/testing/selftests/damon/debugfs_attrs.sh
@@ -97,6 +97,35 @@ fi
 
 echo $ORIG_CONTENT > $file
 
+# Test schemes file
+file="$DBGFS/schemes"
+
+ORIG_CONTENT=$(cat $file)
+echo "1 2 3 4 5 6 3" > $file
+if [ $? -ne 0 ]
+then
+	echo "$file write fail"
+	echo $ORIG_CONTENT > $file
+	exit 1
+fi
+
+echo "1 2
+3 4 5 6 3" > $file
+if [ $? -eq 0 ]
+then
+	echo "$file multi line write success (expected fail)"
+	echo $ORIG_CONTENT > $file
+	exit 1
+fi
+
+echo > $file
+if [ $? -ne 0 ]
+then
+	echo "$file empty string writing fail"
+	echo $ORIG_CONTENT > $file
+	exit 1
+fi
+
 # Test pids file
 file="$DBGFS/pids"
 
-- 
2.17.1