1 files changed, 15 insertions, 0 deletions
diff --git a/test/org/traccar/protocol/Vt200ProtocolDecoderTest.java b/test/org/traccar/protocol/Vt200ProtocolDecoderTest.java
index e61c5f9f2..d63bf0062 100644
--- a/test/org/traccar/protocol/Vt200ProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/Vt200ProtocolDecoderTest.java
@@ -10,6 +10,21 @@ public class Vt200ProtocolDecoderTest extends ProtocolTest {
 
         Vt200ProtocolDecoder decoder = new Vt200ProtocolDecoder(new Vt200Protocol());
 
+        verifyNull(decoder, binary(
+                "28631037309456008e000801042307171804584229"));
+
+        verifyNull(decoder, binary(
+                "28631037309456108800002e29"));
+
+        verifyPosition(decoder, binary(
+                "28631037309456208200210103302307171805444417097301147188170198090f0000073a002000007e00074429"));
+
+        verifyNull(decoder, binary(
+                "286310373094563089001200032f2107171740144417075001147188872c29"));
+
+        verifyNull(decoder, binary(
+                "2863103730945630880062032f862631037309456f222014604362936f21071717373221071717401400a100000cd700000004020d3c8e0000000000000000000000000000000000000000000000000000000000000000000a000000040000000e009700000cc9000000000000e929"));
+
         verifyPosition(decoder, binary(
                 "28631037309456208400340102dc0906171616454415760201144494473f920a0c0000030500200100417c1f383a9d1090510000006a00007000000e00180ee129"));