/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.lang3.tuple;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.Calendar;
import java.util.HashSet;
import org.junit.Test;
/**
* Test the Triple class.
*
* @version $Id$
*/
public class TripleTest {
@Test
public void testTripleOf() throws Exception {
final Triple<Integer, String, Boolean> triple = Triple.of(0, "foo", Boolean.TRUE);
assertTrue(triple instanceof ImmutableTriple<?, ?, ?>);
assertEquals(0, ((ImmutableTriple<Integer, String, Boolean>) triple).left.intValue());
assertEquals("foo", ((ImmutableTriple<Integer, String, Boolean>) triple).middle);
assertEquals(Boolean.TRUE, ((ImmutableTriple<Integer, String, Boolean>) triple).right);
final Triple<Object, String, Long> triple2 = Triple.of(null, "bar", Long.valueOf(200L));
assertTrue(triple2 instanceof ImmutableTriple<?, ?, ?>);
assertNull(((ImmutableTriple<Object, String, Long>) triple2).left);
assertEquals("bar", ((ImmutableTriple<Object, String, Long>) triple2).middle);
assertEquals(new Long(200L), ((ImmutableTriple<Object, String, Long>) triple2).right);
}
@Test
public void testCompatibilityBetweenTriples() throws Exception {
final Triple<Integer, String, Boolean> triple = ImmutableTriple.of(0, "foo", Boolean.TRUE);
final Triple<Integer, String, Boolean> triple2 = MutableTriple.of(0, "foo", Boolean.TRUE);
assertEquals(triple, triple2);
assertEquals(triple.hashCode(), triple2.hashCode());
final HashSet<Triple<Integer, String, Boolean>> set = new HashSet<Triple<Integer, String, Boolean>>();
set.add(triple);
assertTrue(set.contains(triple2));
}
@Test
public void testComparable1() throws Exception {
final Triple<String, String, String> triple1 = Triple.of("A", "D", "A");
final Triple<String, String, String> triple2 = Triple.of("B", "C", "A");
assertTrue(triple1.compareTo(triple1) == 0);
assertTrue(triple1.compareTo(triple2) < 0);
assertTrue(triple2.compareTo(triple2) == 0);
assertTrue(triple2.compareTo(triple1) > 0);
}
@Test
public void testComparable2() throws Exception {
final Triple<String, String, String> triple1 = Triple.of("A", "C", "B");
final Triple<String, String, String> triple2 = Triple.of("A", "D", "B");
assertTrue(triple1.compareTo(triple1) == 0);
assertTrue(triple1.compareTo(triple2) < 0);
assertTrue(triple2.compareTo(triple2) == 0);
assertTrue(triple2.compareTo(triple1) > 0);
}
@Test
public void testComparable3() throws Exception {
final Triple<String, String, String> triple1 = Triple.of("A", "A", "D");
final Triple<String, String, String> triple2 = Triple.of("A", "B", "C");
assertTrue(triple1.compareTo(triple1) == 0);
assertTrue(triple1.compareTo(triple2) < 0);
assertTrue(triple2.compareTo(triple2) == 0);
assertTrue(triple2.compareTo(triple1) > 0);
}
@Test
public void testComparable4() throws Exception {
final Triple<String, String, String> triple1 = Triple.of("B", "A", "C");
final Triple<String, String, String> triple2 = Triple.of("B", "A", "D");
assertTrue(triple1.compareTo(triple1) == 0);
assertTrue(triple1.compareTo(triple2) < 0);
assertTrue(triple2.compareTo(triple2) == 0);
assertTrue(triple2.compareTo(triple1) > 0);
}
@Test
public void testToString() throws Exception {
final Triple<String, String, String> triple = Triple.of("Key", "Something", "Value");
assertEquals("(Key,Something,Value)", triple.toString());
}
@Test
public void testToStringCustom() throws Exception {
final Calendar date = Calendar.getInstance();
date.set(2011, Calendar.APRIL, 25);
final Triple<String, String, Calendar> triple = Triple.of("DOB", "string", date);
assertEquals("Test created on " + "04-25-2011", triple.toString("Test created on %3$tm-%3$td-%3$tY"));
}
@Test
public void testFormattable_simple() throws Exception {
final Triple<String, String, String> triple = Triple.of("Key", "Something", "Value");
assertEquals("(Key,Something,Value)", String.format("%1$s", triple));
}
@Test
public void testFormattable_padded() throws Exception {
final Triple<String, String, String> triple = Triple.of("Key", "Something", "Value");
assertEquals(" (Key,Something,Value)", String.format("%1$30s", triple));
}
}