bug fixed & add testcase

src/test/java/com/alibaba/json/bvt/bug/Bug_for_zengjie.java

@@ -0,0 +1,12 @@
+package com.alibaba.json.bvt.bug;
+
+import junit.framework.TestCase;
+
+import com.alibaba.fastjson.JSON;
+
+
+public class Bug_for_zengjie extends TestCase {
+    public void test_0 () throws Exception {
+        JSON.parse("{123:'abc','value':{123:'abc'}}");
+    }
+}

src/test/java/com/alibaba/json/bvt/serializer/PrePropertyFilterTest.java

@@ -0,0 +1,30 @@
+package com.alibaba.json.bvt.serializer;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.JSONSerializer;
+import com.alibaba.fastjson.serializer.PropertyPreFilter;
+
+public class PrePropertyFilterTest extends TestCase {
+
+    public void test_0() throws Exception {
+        class VO {
+            public int getId() { throw new RuntimeException(); }
+        }
+
+        PropertyPreFilter filter = new PropertyPreFilter () {
+            public boolean apply(JSONSerializer serializer, Object source, String name) {
+                return false;
+            }
+        };
+
+        VO vo = new VO();
+
+        String text = JSON.toJSONString(vo, filter);
+        Assert.assertEquals("{}", text);
+    }
+
+}

src/test/java/com/alibaba/json/bvt/serializer/PropertyFilterTest2.java

@@ -0,0 +1,33 @@
+package com.alibaba.json.bvt.serializer;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.PropertyFilter;
+
+public class PropertyFilterTest2 extends TestCase {
+
+    public void test_0() throws Exception {
+        class VO {
+            public int    id;
+            public String name;
+        }
+
+        PropertyFilter filter = new PropertyFilter() {
+
+            public boolean apply(Object source, String name, Object value) {
+                return "id".equals(name);
+            }
+        };
+
+        VO vo = new VO();
+        vo.id = 123;
+        vo.name = "gaotie";
+
+        String text = JSON.toJSONString(vo, filter);
+        Assert.assertEquals("{\"id\":123}", text);
+    }
+
+}