diff --git a/java_gen/pre-written/src/test/java/org/projectfloodlight/protocol/match/MatchFieldIteration13Test.java b/java_gen/pre-written/src/test/java/org/projectfloodlight/protocol/match/MatchFieldIteration13Test.java
index b654a53..9656406 100644
--- a/java_gen/pre-written/src/test/java/org/projectfloodlight/protocol/match/MatchFieldIteration13Test.java
+++ b/java_gen/pre-written/src/test/java/org/projectfloodlight/protocol/match/MatchFieldIteration13Test.java
@@ -1,10 +1,22 @@
 package org.projectfloodlight.protocol.match;
 
+import org.junit.Test;
 import org.projectfloodlight.openflow.protocol.OFFactories;
 import org.projectfloodlight.openflow.protocol.OFVersion;
+import org.projectfloodlight.openflow.protocol.match.Match;
+import org.projectfloodlight.openflow.protocol.match.MatchField;
+import org.projectfloodlight.openflow.types.U64;
 
 public class MatchFieldIteration13Test extends MatchFieldIterationBase {
     public MatchFieldIteration13Test() {
         super(OFFactories.getFactory(OFVersion.OF_13));
     }
+
+    @Test
+    public void matchCircuitFields()
+    {
+        Match.Builder builder = factory.buildMatchV3().setExact(MatchField
+                                                                        .OCH_SIGTYPE, U64.ZERO);
+
+    }
 }