fix the new CPPUNIT_TEST_NAME code

Change-Id: I45260555778a733a8c8ba9e39e9ffcce0c9ab78d
Reviewed-on: https://gerrit.libreoffice.org/21818
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/sal/cppunittester/cppunittester.cxx b/sal/cppunittester/cppunittester.cxx
index fb9f85f06e00..22af5001fda7 100644
--- a/sal/cppunittester/cppunittester.cxx
+++ b/sal/cppunittester/cppunittester.cxx
@@ -180,7 +180,11 @@ struct test_name_compare
 
     bool operator()(const std::string& rCmp)
     {
-        size_t nEndPos = maName.find(rCmp) + rCmp.size();
+        size_t nPos = maName.find(rCmp);
+        if (nPos == std::string::npos)
+            return false;
+
+        size_t nEndPos = nPos + rCmp.size();
         return nEndPos == maName.size();
     }