Java tutorial
/** * Copyright 2013-2015 Ralph Schaer <ralphschaer@gmail.com> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ch.rasc.edsutil; import java.math.BigDecimal; import java.time.LocalDate; import java.util.ArrayList; import java.util.List; import org.junit.Before; import org.junit.Test; import org.springframework.expression.ParseException; import static org.fest.assertions.api.Assertions.assertThat; public class PropertyComparatorTest { private List<User> users; private User user1; private User user2; private User user3; private User user4; private User user5; @Before public void setup() { users = new ArrayList<>(); user1 = new User(1, "Ralph", LocalDate.of(1989, 1, 23), new BigDecimal("100.05")); users.add(user1); user3 = new User(3, "Lamar", LocalDate.of(1989, 2, 15), new BigDecimal("100.15")); users.add(user3); user2 = new User(2, "jeremy", LocalDate.of(1989, 1, 22), new BigDecimal("100.25")); users.add(user2); user5 = new User(5, "Peter", LocalDate.of(1989, 12, 12), new BigDecimal("99.25")); users.add(user5); user4 = new User(4, "Branden", LocalDate.of(1989, 6, 7), new BigDecimal("99.15")); users.add(user4); } @Test(expected = ParseException.class) public void testThrowException() { @SuppressWarnings("unused") PropertyComparator<String> pc = new PropertyComparator<>("...."); } @Test public void testSortLong() { PropertyComparator<User> pc = new PropertyComparator<>("id"); users.sort(pc); assertThat(users).containsExactly(user1, user2, user3, user4, user5); } @Test public void testSortString() { PropertyComparator<User> pc = new PropertyComparator<>("name"); users.sort(pc); assertThat(users).containsExactly(user4, user3, user5, user1, user2); pc = new PropertyComparator<>("name", true); users.sort(pc); assertThat(users).containsExactly(user4, user2, user3, user5, user1); } @Test public void testSortBigDecimal() { PropertyComparator<User> pc = new PropertyComparator<>("salary"); users.sort(pc); assertThat(users).containsExactly(user4, user5, user1, user3, user2); } @Test public void testSortLocalDate() { PropertyComparator<User> pc = new PropertyComparator<>("dayOfBirth"); users.sort(pc); assertThat(users).containsExactly(user2, user1, user3, user4, user5); } }