@@ -0,0 +1,1127 @@
+package com.alibaba.json.bvt.bug;%0A%0Aimport junit.framework.TestCase;%0A%0Aimport org.junit.Assert;%0A%0Aimport com.alibaba.fastjson.JSON;%0A%0Apublic class Issue220 extends TestCase %7B%0A%0A    public void test_for_issue() throws Exception %7B%0A        Attr attr = new Attr();%0A        attr.jTType = 123;%0A        attr.value = %22xxxx%22;%0A        attr.symbol = %22yyyy%22;%0A        %0A        String text = JSON.toJSONString(attr);%0A        %0A        Assert.assertEquals(%22%7B%5C%22jTType%5C%22:123,%5C%22symbol%5C%22:%5C%22yyyy%5C%22,%5C%22value%5C%22:%5C%22xxxx%5C%22%7D%22, text);%0A    %7D%0A%0A    public static class Attr %7B%0A%0A        private int    jTType;%0A        private String value;%0A        private String symbol;%0A%0A        public int getjTType() %7B%0A            return jTType;%0A        %7D%0A%0A        public void setjTType(int jTType) %7B%0A            this.jTType = jTType;%0A        %7D%0A%0A        public String getValue() %7B%0A            return value;%0A        %7D%0A%0A        public void setValue(String value) %7B%0A            this.value = value;%0A        %7D%0A%0A        public String getSymbol() %7B%0A            return symbol;%0A        %7D%0A%0A        public void setSymbol(String symbol) %7B%0A            this.symbol = symbol;%0A        %7D%0A%0A    %7D%0A%7D%0A

add testcase