From fd820717457c53833ca1448e26bf4840559bec03 Mon Sep 17 00:00:00 2001
From: Matthias Jaros <jarlucmat@mailbox.org>
Date: Thu, 2 Jul 2026 14:17:17 +0200
Subject: Minor fixes

---
 src/main/java/com/it_jaros/jscanner/Scanner.java | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/main/java/com/it_jaros/jscanner/Scanner.java')

diff --git a/src/main/java/com/it_jaros/jscanner/Scanner.java b/src/main/java/com/it_jaros/jscanner/Scanner.java
index d44a4b0..7aeee03 100644
--- a/src/main/java/com/it_jaros/jscanner/Scanner.java
+++ b/src/main/java/com/it_jaros/jscanner/Scanner.java
@@ -83,6 +83,10 @@ public class Scanner implements AutoCloseable {
     }
 
     public List<ScanResult> runScan(Scan scan) {
+        if (scan == null) {
+            throw new IllegalArgumentException("Scan argument cannot be null");
+        }
+
         ScanState scanState = scan.state();
         scanState.getProgressBar().start();
         try (ExecutorService executor = Executors.newVirtualThreadPerTaskExecutor()) {
-- 
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