add LocalDateTimeUtil

2025-08-18 20:38:02 +08:00 · 2020-07-07 12:51:39 +08:00
parent 25b9d61ffd
commit c12557eac4
7 changed files with 455 additions and 9 deletions
--- a/hutool-core/src/test/java/cn/hutool/core/date/LocalDateTimeUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/date/LocalDateTimeUtilTest.java
@@ -0,0 +1,99 @@
+package cn.hutool.core.date;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.time.Duration;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
+
+public class LocalDateTimeUtilTest {
+
+	@Test
+	public void nowTest() {
+		Assert.assertNotNull(LocalDateTimeUtil.now());
+	}
+
+	@Test
+	public void ofTest() {
+		String dateStr = "2020-01-23T12:23:56";
+		final DateTime dt = DateUtil.parse(dateStr);
+
+		LocalDateTime of = LocalDateTimeUtil.of(dt);
+		Assert.assertNotNull(of);
+		Assert.assertEquals(dateStr, of.toString());
+
+		of = LocalDateTimeUtil.ofUTC(dt.getTime());
+		Assert.assertEquals(dateStr, of.toString());
+	}
+
+	@Test
+	public void parseTest() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("2020-01-23T12:23:56", DateTimeFormatter.ISO_DATE_TIME);
+		Assert.assertEquals("2020-01-23T12:23:56", localDateTime.toString());
+	}
+
+	@Test
+	public void parseTest2() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("2020-01-23", DatePattern.NORM_DATE_PATTERN);
+		Assert.assertEquals("2020-01-23T00:00", localDateTime.toString());
+	}
+
+	@Test
+	public void parseTest3() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("12:23:56", DatePattern.NORM_TIME_PATTERN);
+		Assert.assertEquals("12:23:56", localDateTime.toLocalTime().toString());
+	}
+
+	@Test
+	public void parseTest4() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("2020-01-23T12:23:56");
+		Assert.assertEquals("2020-01-23T12:23:56", localDateTime.toString());
+	}
+
+	@Test
+	public void formatTest() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("2020-01-23T12:23:56");
+		String format = LocalDateTimeUtil.format(localDateTime, DatePattern.NORM_DATETIME_PATTERN);
+		Assert.assertEquals("2020-01-23 12:23:56", format);
+
+		format = LocalDateTimeUtil.format(localDateTime, DatePattern.NORM_DATE_PATTERN);
+		Assert.assertEquals("2020-01-23", format);
+	}
+
+	@Test
+	public void offset() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("2020-01-23T12:23:56");
+		LocalDateTime offset = LocalDateTimeUtil.offset(localDateTime, 1, ChronoUnit.DAYS);
+		// 非同一对象
+		Assert.assertNotSame(localDateTime, offset);
+
+		Assert.assertEquals("2020-01-24T12:23:56", offset.toString());
+
+		offset = LocalDateTimeUtil.offset(localDateTime, -1, ChronoUnit.DAYS);
+		Assert.assertEquals("2020-01-22T12:23:56", offset.toString());
+	}
+
+	@Test
+	public void between() {
+		final Duration between = LocalDateTimeUtil.between(
+				LocalDateTimeUtil.parse("2019-02-02T00:00:00"),
+				LocalDateTimeUtil.parse("2020-02-02T00:00:00"));
+		Assert.assertEquals(365, between.toDays());
+	}
+
+	@Test
+	public void beginOfDayTest() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("2020-01-23T12:23:56");
+		final LocalDateTime beginOfDay = LocalDateTimeUtil.beginOfDay(localDateTime);
+		Assert.assertEquals("2020-01-23T00:00", beginOfDay.toString());
+	}
+
+	@Test
+	public void endOfDayTest() {
+		final LocalDateTime localDateTime = LocalDateTimeUtil.parse("2020-01-23T12:23:56");
+		final LocalDateTime endOfDay = LocalDateTimeUtil.endOfDay(localDateTime);
+		Assert.assertEquals("2020-01-23T23:59:59.999999999", endOfDay.toString());
+	}
+}