package com.alibaba.json.bvt.parser.deser; import java.util.TreeSet; import junit.framework.TestCase; import org.junit.Assert; import com.alibaba.fastjson.JSON; public class TreeSetFieldTest extends TestCase { public void test_null() throws Exception { Entity value = JSON.parseObject("{value:null}", Entity.class); Assert.assertNull(value.getValue()); } public void test_empty() throws Exception { Entity value = JSON.parseObject("{value:[]}", Entity.class); Assert.assertEquals(0, value.getValue().size()); } private static class Entity { private TreeSet value; public TreeSet getValue() { return value; } public void setValue(TreeSet value) { this.value = value; } } }