add test to determine field classes in map

datastructures-json-tiny/src/test/java/org/xbib/datastructures/json/tiny/test/BuilderTest.java

@@ -16,7 +16,7 @@ import java.util.Map;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-public class JsonBuilderTest {
+public class BuilderTest {
 
     @Test
     public void testUmlautEncoding() throws IOException{

datastructures-json-tiny/src/test/java/org/xbib/datastructures/json/tiny/test/ParserTest.java

@@ -1,6 +1,9 @@
 package org.xbib.datastructures.json.tiny.test;
 
 import org.junit.jupiter.api.Test;
+import org.xbib.datastructures.api.Builder;
+import org.xbib.datastructures.json.tiny.Json;
+import org.xbib.datastructures.json.tiny.JsonBuilder;
 import org.xbib.datastructures.json.tiny.StreamParser;
 import org.xbib.datastructures.json.tiny.StringParser;
 import java.io.BufferedReader;
@@ -8,11 +11,16 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class ParserTest {
 
+    private static final Logger logger = Logger.getLogger(ParserTest.class.getName());
+
     @Test
     public void testStringParser() throws IOException {
         try (InputStream inputStream = ParserTest.class.getResourceAsStream("/org/xbib/datastructures/json/tiny/test/test.json")) {
@@ -40,4 +48,17 @@ public class ParserTest {
             }
         }
     }
+
+    @Test
+    public void testMap() throws IOException {
+        Builder builder = JsonBuilder.builder()
+                .beginMap()
+                .fieldIfNotNull("a", "Hello World")
+                .endMap();
+        Map<String, Object> map = Json.toMap(builder.build());
+        for (Map.Entry<String, Object> e : map.entrySet()) {
+            logger.log(Level.INFO, "value class " + e.getValue().getClass().getName());
+        }
+    }
+
 }