add testcase

src/main/java/com/alibaba/fastjson/parser/JavaBeanDeserializer.java

@@ -7,7 +7,6 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 import java.lang.reflect.Type;
 import java.util.HashMap;
-import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -59,12 +58,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
             if (clazz.isInterface()) {
                 Class<?> clazz = (Class<?>) type;
                 ClassLoader loader = Thread.currentThread().getContextClassLoader();
-                JSONObject object;
-                if ((parser.lexer.features & Feature.OrderedField.mask) != 0) {
-                    object = new JSONObject(new LinkedHashMap<String, Object>());
-                } else {
-                    object = new JSONObject();            
-                }
+                JSONObject object = new JSONObject(); 
                 Object proxy = Proxy.newProxyInstance(loader, new Class<?>[] { clazz }, object);
                 return proxy;
             }

src/test/java/com/alibaba/json/bvt/parser/OrderedFieldTest.java

@@ -0,0 +1,21 @@
+package com.alibaba.json.bvt.parser;
+
+import org.junit.Assert;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.parser.Feature;
+
+import junit.framework.TestCase;
+
+public class OrderedFieldTest extends TestCase {
+    public void test_ordered_field() throws Exception {
+        Model model = JSON.parseObject("{\"id\":1001}", Model.class, Feature.OrderedField);
+        Assert.assertEquals(1001, model.getId());
+        
+    }
+    
+    public static interface Model {
+        public int getId();
+        public void setId(int value);
+    }
+}