Handle the case where no common item is found from an empty set.

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/analysis/scan/fuzzing.py b/tests/analysis/scan/fuzzing.py
index 61f4117..9572774 100644
--- a/tests/analysis/scan/fuzzing.py
+++ b/tests/analysis/scan/fuzzing.py
@@ -123,3 +123,21 @@ rule test {
 '''
 
         self.check_rule_success(rule)
+
+
+    def testNoCommon(self):
+        """Handle the case where no common item is found from an empty set."""
+
+        rule = '''
+rule test {
+
+   bytes:
+        $a = "a"
+
+   condition:
+      maxcommon($a) == 0
+
+}
+'''
+
+        self.check_rule_success(rule)