WriteNullListAsEmptyTest.java

package com.alibaba.json.bvt.serializer;

import java.util.List;

import org.junit.Assert;
import junit.framework.TestCase;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;

public class WriteNullListAsEmptyTest extends TestCase {

    public void test_nullList() {
        SerializerFeature[] features = { SerializerFeature.WriteMapNullValue, SerializerFeature.WriteNullListAsEmpty };
        Assert.assertEquals("{\"names\":[]}", JSON.toJSONString(new VO1(), features));
        Assert.assertEquals("{\"names\":[]}", JSON.toJSONString(new VO2(), features));
        Assert.assertEquals("{\"names\":[]}", JSON.toJSONString(new VO3(), features));
        Assert.assertEquals("{\"names\":[]}", JSON.toJSONString(new VO4(), features));
    }

    public static class VO1 {

        private List<Object> names = null;

        public List<Object> getNames() {
            return names;
        }

        public void setNames(List<Object> names) {
            this.names = names;
        }
    }

    public static class VO2 {

        private List<String> names = null;

        public List<String> getNames() {
            return names;
        }

        public void setNames(List<String> names) {
            this.names = names;
        }
    }
    
    public static class VO3 {

        private List<Integer> names = null;

        public List<Integer> getNames() {
            return names;
        }

        public void setNames(List<Integer> names) {
            this.names = names;
        }
    }
    
    public static class VO4 {
        
        private List<Long> names = null;
        
        public List<Long> getNames() {
            return names;
        }
        
        public void setNames(List<Long> names) {
            this.names = names;
        }
    }
}