[PATCH 2/3 v3] selftests/efivarfs: Add empty file creation test

[Jeremy Kerr]

Signed-off-by: Jeremy Kerr <jk@xxxxxxxxxx>

---
 tools/testing/selftests/efivarfs/efivarfs.sh |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh
index e8c0d27..3af4b37 100755
--- a/tools/testing/selftests/efivarfs/efivarfs.sh
+++ b/tools/testing/selftests/efivarfs/efivarfs.sh
@@ -58,6 +58,18 @@ test_create()
 	fi
 }
 
+test_create_empty()
+{
+	local file=$efivarfs_mount/$FUNCNAME-$test_guid
+
+	: > $file
+
+	if [ ! -e $file ]; then
+		echo "$file can not be created without writing" >&2
+		exit 1
+	fi
+}
+
 test_delete()
 {
 	local attrs='\x07\x00\x00\x00'
@@ -112,6 +124,7 @@ check_prereqs
 rc=0
 
 run_test test_create
+run_test test_create_empty
 run_test test_delete
 run_test test_zero_size_delete
 run_test test_open_unlink
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