Index: unittests/tst_messaging.cpp
===================================================================
diff -u -r0d3114203575d6725576f8bdc8299ad772d55fd5 -r911882aaf10ee02ef646013914a2ddd6225224ca
--- unittests/tst_messaging.cpp	(.../tst_messaging.cpp)	(revision 0d3114203575d6725576f8bdc8299ad772d55fd5)
+++ unittests/tst_messaging.cpp	(.../tst_messaging.cpp)	(revision 911882aaf10ee02ef646013914a2ddd6225224ca)
@@ -22,6 +22,7 @@
 #include "MessageBuilder.h"
 #include "MPowerOff.h"
 #include "MessageDispatcher.h"
+#include "AlarmGenerator.h"
 
 tst_messaging::tst_messaging(QObject *parent) : QObject(parent) { }
 
@@ -716,3 +717,19 @@
     Can::Sequence seq = 1;
     dMsg.actionTransmit(Gui::GuiActionType::ID_KeepAlive, data, seq);
 }
+
+/*!
+ * \brief   tst_messaging::tst_AlarmGenerator_setBits_OutOfRange
+ * \details Tests the longer list of the bits sent to AlarmGenerator::setBits method.
+ */
+void tst_messaging::tst_AlarmGenerator_setBits_OutOfRange()
+{
+    quint8 len = sizeof(AlarmGenerator::TAlarms) * 8;
+    AlarmGenerator ag;
+    AlarmGenerator::TBits bits {0, 15, len}; // 16 is out of range
+    QBitArray ba_actual = ag.setBits(bits);
+    QBitArray ba_expected(len,false);
+    ba_expected.setBit(0);
+    ba_expected.setBit(15);
+    QCOMPARE(ba_actual, ba_expected);
+}