enhanced unit tests
diff --git a/src/test/java/org/eclipse/openk/elogbook/common/GsonUTCDateAdapterTest.java b/src/test/java/org/eclipse/openk/elogbook/common/GsonUTCDateAdapterTest.java
new file mode 100644
index 0000000..cf615d3
--- /dev/null
+++ b/src/test/java/org/eclipse/openk/elogbook/common/GsonUTCDateAdapterTest.java
@@ -0,0 +1,38 @@
+package org.eclipse.openk.elogbook.common;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonSerializationContext;
+import org.junit.Test;
+
+import java.lang.reflect.Type;
+import java.util.Calendar;
+
+public class GsonUTCDateAdapterTest {
+
+ @Test
+ public void serializeTest() {
+ GsonUTCDateAdapter gsonUTCDateAdapter = new GsonUTCDateAdapter();
+ Calendar calendar = Calendar.getInstance();
+ java.util.Date date = calendar.getTime();
+ Type type = new Type() {
+ @Override
+ public String getTypeName() {
+ return null;
+ }
+ };
+ JsonSerializationContext jsonSerializationContext = new JsonSerializationContext() {
+ @Override
+ public JsonElement serialize(Object o) {
+ return null;
+ }
+
+ @Override
+ public JsonElement serialize(Object o, Type type) {
+ return null;
+ }
+ };
+
+ gsonUTCDateAdapter.serialize(date, type, jsonSerializationContext);
+ }
+
+}
