add testcase

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

@@ -0,0 +1,56 @@
+package com.alibaba.json.bvt.serializer;
+
+import com.alibaba.fastjson.JSON;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+public class DoubleTest extends TestCase {
+
+    public void test_double() throws Exception {
+        VO vo = new VO();
+        vo.setF1(Integer.MAX_VALUE);
+        vo.setF2(Double.MAX_VALUE);
+        vo.setF3(Integer.MAX_VALUE);
+        
+        String text = JSON.toJSONString(vo);
+        
+        VO vo1 = JSON.parseObject(text, VO.class);
+        
+        Assert.assertEquals(vo.getF1(), vo1.getF1());
+        Assert.assertEquals(vo.getF2(), vo1.getF2());
+        Assert.assertEquals(vo.getF3(), vo1.getF3());
+    }
+
+    public static class VO {
+
+        private int    f1;
+        private double f2;
+        private int    f3;
+
+        public int getF1() {
+            return f1;
+        }
+
+        public void setF1(int f1) {
+            this.f1 = f1;
+        }
+
+        public double getF2() {
+            return f2;
+        }
+
+        public void setF2(double f2) {
+            this.f2 = f2;
+        }
+
+        public int getF3() {
+            return f3;
+        }
+
+        public void setF3(int f3) {
+            this.f3 = f3;
+        }
+
+    }
+}