From a1d2c3052646495566142a8b024bcc207dec45c6 Mon Sep 17 00:00:00 2001
From: looly <loolly@gmail.com>
Date: Sat, 20 Nov 2021 16:38:40 +0800
Subject: [PATCH] fix code and add test

---
 .../src/main/java/cn/hutool/core/util/NumberUtil.java       | 3 +++
 .../src/test/java/cn/hutool/core/util/NumberUtilTest.java   | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
index 8953e48b0..c5e2f7aed 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
@@ -716,6 +716,9 @@ public class NumberUtil {
 	 * @since 3.1.0
 	 */
 	public static BigDecimal div(Number v1, Number v2, int scale, RoundingMode roundingMode) {
+		if(v1 instanceof BigDecimal && v2 instanceof BigDecimal){
+			return div((BigDecimal)v1, (BigDecimal)v2, scale, roundingMode);
+		}
 		return div(v1.toString(), v2.toString(), scale, roundingMode);
 	}
 
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
index 137c849cd..e5ee4565e 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
@@ -87,6 +87,12 @@ public class NumberUtilTest {
 		Assert.assertEquals(0.0, result, 0);
 	}
 
+	@Test
+	public void divBigDecimalTest() {
+		BigDecimal result = NumberUtil.div(BigDecimal.ZERO, BigDecimal.ONE);
+		Assert.assertEquals(BigDecimal.ZERO, result.stripTrailingZeros());
+	}
+
 	@Test
 	public void roundTest() {