fix code

hutool-core/src/test/java/cn/hutool/core/date/CalendarUtilTest.java

@@ -4,15 +4,26 @@ import org.junit.Assert;
 import org.junit.Test;
 
 import java.util.Calendar;
+import java.util.Objects;
 
 public class CalendarUtilTest {
 
 	@Test
 	public void formatChineseDate(){
-		Calendar calendar = DateUtil.parse("2018-02-24 12:13:14").toCalendar();
+		Calendar calendar = Objects.requireNonNull(DateUtil.parse("2018-02-24 12:13:14")).toCalendar();
 		final String chineseDate = CalendarUtil.formatChineseDate(calendar, false);
 		Assert.assertEquals("二〇一八年二月二十四日", chineseDate);
 		final String chineseDateTime = CalendarUtil.formatChineseDate(calendar, true);
 		Assert.assertEquals("二〇一八年二月二十四日一十二时一十三分一十四秒", chineseDateTime);
 	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void parseTest(){
+		final Calendar calendar = CalendarUtil.parse("2021-09-27 00:00:112323", false,
+				DatePattern.NORM_DATETIME_FORMAT);
+
+		// https://github.com/dromara/hutool/issues/1849
+		// 在使用严格模式时，秒不正确，抛出异常
+		DateUtil.date(calendar);
+	}
 }

hutool-core/src/test/java/cn/hutool/core/date/DateTimeTest.java

@@ -1,5 +1,6 @@
 package cn.hutool.core.date;
 
+import cn.hutool.core.lang.Console;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -131,4 +132,11 @@ public class DateTimeTest {
 		//跨年的周返回的总是1
 		Assert.assertEquals(1, date.weekOfYear());
 	}
+
+	@Test
+	public void ofTest(){
+		String a = "2021-09-27 00:00:99";
+		final DateTime dateTime = new DateTime(a, DatePattern.NORM_DATETIME_FORMAT);
+		Console.log(dateTime);
+	}
 }

hutool-core/src/test/java/cn/hutool/core/text/csv/CsvReaderTest.java

@@ -183,4 +183,12 @@ public class CsvReaderTest {
 		Assert.assertEquals("456", row.get(1));
 		Assert.assertEquals("'789;0'abc", row.get(2));
 	}
+
+	@Test
+	public void readDisableCommentTest(){
+		final CsvReader reader = CsvUtil.getReader(CsvReadConfig.defaultConfig().disableComment());
+		final CsvData read = reader.read(ResourceUtil.getUtf8Reader("test.csv"));
+		final CsvRow row = read.getRow(0);
+		Assert.assertEquals("# 这是一行注释，读取时应忽略", row.get(0));
+	}
 }