新增了获取本月最后一天,是否为本月最后一天

2025-07-21 15:09:48 +08:00 · 2022-09-28 18:07:27 +08:00
parent 42a427193b
commit ee12875bf3
2 changed files with 28 additions and 0 deletions
--- a/hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java
@@ -1094,4 +1094,12 @@ public class DateUtilTest {
 				DateUtil.parse(sourceStr));
 		Assert.assertTrue(between);
 	}
+
+	@Test
+	public void isLastDayTest(){
+		DateTime dateTime = DateUtil.parse("2022-09-30");
+		int dayOfMonth  = DateUtil.getLastDayOfMonth(dateTime);
+		Assert.assertEquals(dayOfMonth,dateTime.dayOfMonth());
+		Assert.assertTrue("not is last day of this month !!",DateUtil.isLastDayOfMonth(dateTime));
+	}
 }