<dependency> <groupId>org.assertj</groupId> <artifactId>assertj-core</artifactId> <version>3.x.x</version> <scope>test</scope> </dependency> import org.joda.time.DateTime; import static org.assertj.core.api.Assertions.assertThat; public class JodaTimeTest { public void testDateAssertions() { DateTime date1 = new DateTime(2022, 1, 1, 0, 0); DateTime date2 = new DateTime(2022, 2, 1, 0, 0); assertThat(date1).isBefore(date2); assertThat(date1).isAfterOrEqualTo(date1); assertThat(date2).isBetween(date1, new DateTime(2022, 3, 1, 0, 0)); } }