add RegexDateParser

hutool-core/src/test/java/org/dromara/hutool/core/date/DateBuilderTest.java

@@ -0,0 +1,44 @@
+package org.dromara.hutool.core.date;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+import java.util.Date;
+import java.util.TimeZone;
+
+public class DateBuilderTest {
+	@Test
+	public void testNormal() {
+		final DateBuilder builder = new DateBuilder();
+		builder.setYear(2019);
+		builder.setMonth(10);
+		builder.setDay(1);
+		final Date date = builder.toDate();
+
+		Assertions.assertEquals("2019-10-01", DateUtil.date(date).toDateStr());
+	}
+
+	@Test
+	public void testLocalDateTime() {
+		final DateBuilder builder = DateBuilder.of()
+			.setYear(2019)
+			.setMonth(10)
+			.setDay(1)
+			.setHour(10)
+			.setMinute(20)
+			.setSecond(30)
+			.setNs(900000000)
+			.setZone(TimeZone.getDefault());
+
+		final LocalDateTime dateTime = builder.toLocalDateTime();
+		Assertions.assertEquals("2019-10-01T10:20:30.900", builder.toLocalDateTime().toString());
+	}
+
+	@Test
+	public void testTimestamp() {
+		final String timestamp = "946656000";
+		final DateBuilder dateBuilder = DateBuilder.of().setUnixsecond(Long.parseLong(timestamp));
+		Assertions.assertEquals("2000-01-01T00:00", dateBuilder.toLocalDateTime().toString());
+	}
+}

hutool-core/src/test/java/org/dromara/hutool/core/date/IssueI8IUTBTest.java

@@ -0,0 +1,12 @@
+package org.dromara.hutool.core.date;
+
+import org.dromara.hutool.core.lang.Console;
+import org.junit.jupiter.api.Test;
+
+public class IssueI8IUTBTest {
+	@Test
+	void parseTest() {
+		final DateTime parse = DateUtil.parse("May 8, 2009 5:57:51 PM");
+		Console.log(parse);
+	}
+}

hutool-core/src/test/java/org/dromara/hutool/core/date/format/parser/RegexDateParserTest.java

@@ -0,0 +1,16 @@
+package org.dromara.hutool.core.date.format.parser;
+
+import org.dromara.hutool.core.date.DateUtil;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.util.Date;
+
+public class RegexDateParserTest {
+	@Test
+	void parsePureTest() {
+		final RegexDateParser parser = RegexDateParser.of("^(?<year>\\d{4})(?<month>\\d{2})(?<day>\\d{2})$");
+		final Date parse = parser.parse("20220101");
+		Assertions.assertEquals("2022-01-01", DateUtil.date(parse).toDateStr());
+	}
+}