add methods

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

@@ -4,7 +4,7 @@ import org.junit.Assert;
 import org.junit.Test;
 
 public class CharUtilTest {
-	
+
 	@Test
 	public void trimTest() {
 		//此字符串中的第一个字符为不可见字符: '\u202a'
@@ -12,13 +12,13 @@ public class CharUtilTest {
 		Assert.assertEquals('\u202a', str.charAt(0));
 		Assert.assertTrue(CharUtil.isBlankChar(str.charAt(0)));
 	}
-	
+
 	@Test
 	public void isEmojiTest() {
 		String a = "莉🌹";
 		Assert.assertFalse(CharUtil.isEmoji(a.charAt(0)));
 		Assert.assertTrue(CharUtil.isEmoji(a.charAt(1)));
-		
+
 	}
 
 	@Test
@@ -38,4 +38,18 @@ public class CharUtilTest {
 		char a3 = '\u3000';
 		Assert.assertTrue(CharUtil.isBlankChar(a3));
 	}
+
+	@Test
+	public void toCloseCharTest(){
+		Assert.assertEquals('②', CharUtil.toCloseChar('2'));
+		Assert.assertEquals('Ⓜ', CharUtil.toCloseChar('M'));
+		Assert.assertEquals('ⓡ', CharUtil.toCloseChar('r'));
+	}
+
+	@Test
+	public void toCloseByNumberTest(){
+		Assert.assertEquals('②', CharUtil.toCloseByNumber(2));
+		Assert.assertEquals('⑫', CharUtil.toCloseByNumber(12));
+		Assert.assertEquals('⑳', CharUtil.toCloseByNumber(20));
+	}
 }

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

@@ -9,26 +9,26 @@ import org.junit.Test;
  *
  */
 public class HexUtilTest {
-	
+
 	@Test
 	public void hexStrTest(){
 		String str = "我是一个字符串";
-		
+
 		String hex = HexUtil.encodeHexStr(str, CharsetUtil.CHARSET_UTF_8);
 		String decodedStr = HexUtil.decodeHexStr(hex);
-		
+
 		Assert.assertEquals(str, decodedStr);
 	}
-	
+
 	@Test
 	public void toUnicodeHexTest() {
 		String unicodeHex = HexUtil.toUnicodeHex('\u2001');
 		Assert.assertEquals("\\u2001", unicodeHex);
-		
+
 		unicodeHex = HexUtil.toUnicodeHex('你');
 		Assert.assertEquals("\\u4f60", unicodeHex);
 	}
-	
+
 	@Test
 	public void isHexNumberTest() {
 		String a = "0x3544534F444";