add test

hutool-core/src/main/java/org/dromara/hutool/core/text/split/SplitUtil.java

@@ -97,7 +97,7 @@ public class SplitUtil {
 
 	/**
 	 * 切分字符串，不忽略大小写
-	 *
+	 *os
 	 * @param str         被切分的字符串
 	 * @param separator   分隔符字符串
 	 * @param isTrim      是否去除切分字符串后每个元素两边的空格

hutool-core/src/test/java/org/dromara/hutool/core/text/split/IssueI9UK5VTest.java

@@ -0,0 +1,19 @@
+package org.dromara.hutool.core.text.split;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class IssueI9UK5VTest {
+	@Test
+	public void splitTest() {
+		final String str = "";
+		List<String> split = SplitUtil.split(str, ",");
+		assertEquals(1, split.size());
+
+		split = SplitUtil.splitTrim(str, ",");
+		assertEquals(0, split.size());
+	}
+}