From 77cc55a2772d3b99bcfea86b6b0724aeda4c521b Mon Sep 17 00:00:00 2001
From: neko <52202080+akiyamaneko@users.noreply.github.com>
Date: Mon, 28 Sep 2020 14:08:22 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9Eapi=E8=A1=A5=E9=BD=90?=
 =?UTF-8?q?=E5=8D=95=E5=85=83=E6=B5=8B=E8=AF=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../test/java/cn/hutool/core/util/NumberUtilTest.java  | 10 ++++++++++
 1 file changed, 10 insertions(+)

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 13ed9740c..654097cc2 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
@@ -252,4 +252,14 @@ public class NumberUtilTest {
 		final BigDecimal mul = NumberUtil.mul(new BigDecimal("10"), null);
 		Assert.assertEquals(BigDecimal.ZERO, mul);
 	}
+	
+	
+	@Test
+	public void isPowerOfTwoTest() {
+		Assert.assertEquals(false, NumberUtil.isPowerOfTwo(-1));
+		Assert.assertEquals(true, NumberUtil.isPowerOfTwo(16));
+		Assert.assertEquals(true, NumberUtil.isPowerOfTwo(65536));
+		Assert.assertEquals(true, NumberUtil.isPowerOfTwo(1));
+		Assert.assertEquals(false, NumberUtil.isPowerOfTwo(17));
+	}
 }