add test

hutool-core/src/main/java/cn/hutool/core/math/NumberUtil.java

@@ -36,6 +36,8 @@ import java.util.Set;
  * <li><a href="https://github.com/venusdrogon/feilong-core/wiki/one-jdk7-bug-thinking">one-jdk7-bug-thinking</a></li>
  * </ul>
  *
+ * TODO 需整理精简方法，去掉无用的重载方法。
+ *
  * @author Looly
  */
 public class NumberUtil {

hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java

@@ -448,4 +448,9 @@ public class NumberUtilTest {
 		Assert.assertNotNull(NumberUtil.toBigInteger(number2));
 	}
 
+	@Test
+	public void divIntegerTest(){
+		System.out.println(NumberUtil.div(100101300, (Number) 100));
+	}
+
 }