From d9a211a52d38f24b19bf5c2d6918d2efec858a15 Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Thu, 18 Feb 2021 21:08:17 +0200
Subject: [PATCH] fix crash when there is no test text and the pattern is
 tested

---
 .../net/ktnx/mobileledger/model/TemplateDetailsItem.java     | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/net/ktnx/mobileledger/model/TemplateDetailsItem.java b/app/src/main/java/net/ktnx/mobileledger/model/TemplateDetailsItem.java
index 2eb3346d..74080681 100644
--- a/app/src/main/java/net/ktnx/mobileledger/model/TemplateDetailsItem.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/TemplateDetailsItem.java
@@ -500,8 +500,9 @@ abstract public class TemplateDetailsItem {
                 compiledPattern = null;
 
                 testMatch = new SpannableString(testText);
-                testMatch.setSpan(notMatchedSpan(), 0, testText.length() - 1,
-                        Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+                if (!testText.isEmpty())
+                    testMatch.setSpan(notMatchedSpan(), 0, testText.length() - 1,
+                            Spanned.SPAN_INCLUSIVE_INCLUSIVE);
             }
         }
         @NonNull
-- 
2.39.2