From 1eac0e03b7e4e431cf1f91127c0a1441f226f950 Mon Sep 17 00:00:00 2001
From: Vincent Prins <vincent.prins@ivdnt.org>
Date: Mon, 24 Jun 2024 17:05:04 +0200
Subject: [PATCH] Check for empty strings in truncated PC match

otherwize aStr.last() throw
---
 .../org/ivdnt/galahad/evaluation/comparison/LayerComparison.kt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/server/src/main/kotlin/org/ivdnt/galahad/evaluation/comparison/LayerComparison.kt b/server/src/main/kotlin/org/ivdnt/galahad/evaluation/comparison/LayerComparison.kt
index 47864d0..b0b174c 100644
--- a/server/src/main/kotlin/org/ivdnt/galahad/evaluation/comparison/LayerComparison.kt
+++ b/server/src/main/kotlin/org/ivdnt/galahad/evaluation/comparison/LayerComparison.kt
@@ -142,6 +142,9 @@ class LayerComparison(
 
     companion object {
         fun truncatedPcMatch(aStr: String, bStr: String): Boolean {
+            if (aStr.isEmpty() || bStr.isEmpty()) {
+                return false
+            }
             if (PUNCTUATION.contains(aStr.last().toString())) {
                 if (aStr.slice(0 until aStr.lastIndex) == bStr) {
                     return true