/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.renderkit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.Set;
import java.util.TreeSet;
import org.junit.Test;
import org.richfaces.renderkit.ForEachLoop.Status;
/**
* @author Lukas Fryc
*/
public class ForEachLoopTest {
private Integer[] array = new Integer[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
@Test
public void testArrayIterationStatus() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(array);
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", i, status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 1, status.isFirst());
assertEquals("isLast [" + i + "]", i == 15, status.isLast());
assertNull("begin [" + i + "]", status.getBegin());
assertNull("end [" + i + "]", status.getEnd());
assertNull("step [" + i + "]", status.getStep());
iterated.add(i);
}
assertEquals("iterated", asSet(array), iterated);
}
@Test
public void testCollectionIterationStatus() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(new LinkedList<Integer>(Arrays.asList(array)));
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", i, status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 1, status.isFirst());
assertEquals("isLast [" + i + "]", i == 15, status.isLast());
assertNull("begin [" + i + "]", status.getBegin());
assertNull("end [" + i + "]", status.getEnd());
assertNull("step [" + i + "]", status.getStep());
iterated.add(i);
}
assertEquals("iterated", asSet(array), iterated);
}
@Test
public void testIteratorIterationStatus() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(new LinkedList<Integer>(Arrays.asList(array)).iterator());
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", i, status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 1, status.isFirst());
assertEquals("isLast [" + i + "]", i == 15, status.isLast());
assertNull("begin [" + i + "]", status.getBegin());
assertNull("end [" + i + "]", status.getEnd());
assertNull("step [" + i + "]", status.getStep());
iterated.add(i);
}
assertEquals("iterated", asSet(array), iterated);
}
@Test
public void testBegin() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(array);
loop.setBegin(5);
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", i - 5, status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 6, status.isFirst());
assertEquals("isLast [" + i + "]", i == 15, status.isLast());
assertEquals("begin [" + i + "]", (Object) 5, status.getBegin());
assertNull("end [" + i + "]", status.getEnd());
assertNull("step [" + i + "]", status.getStep());
iterated.add(i);
}
assertEquals("iterated", asSet(6, 7, 8, 9, 10, 11, 12, 13, 14, 15), iterated);
}
@Test
public void testBeginTooHigh() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(array);
loop.setBegin(16);
for (int i : loop) {
fail("the loop should not be entered");
}
}
@Test
public void testEnd() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(array);
loop.setEnd(2);
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", i, status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 1, status.isFirst());
assertEquals("isLast [" + i + "]", i == 3, status.isLast());
assertNull("begin [" + i + "]", status.getBegin());
assertEquals("end [" + i + "]", (Object) 2, status.getEnd());
assertNull("step [" + i + "]", status.getStep());
iterated.add(i);
}
assertEquals(asSet(1, 2, 3), iterated);
}
@Test
public void testStep2() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(array);
loop.setStep(2);
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", (i + 1) / 2, status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 1, status.isFirst());
assertEquals("isLast [" + i + "]", i == 15, status.isLast());
assertNull("begin [" + i + "]", status.getBegin());
assertNull("end [" + i + "]", status.getEnd());
assertEquals("step [" + i + "]", (Object) 2, status.getStep());
iterated.add(i);
}
assertEquals(asSet(1, 3, 5, 7, 9, 11, 13, 15), iterated);
}
@Test
public void testStep5() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(array);
loop.setStep(5);
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", (i / 5) + 1, status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 1, status.isFirst());
assertEquals("isLast [" + i + "]", i == 11, status.isLast());
assertNull("begin [" + i + "]", status.getBegin());
assertNull("end [" + i + "]", status.getEnd());
assertEquals("step [" + i + "]", (Object) 5, status.getStep());
iterated.add(i);
}
assertEquals(asSet(1, 6, 11), iterated);
}
@Test
public void testBeginEndStep() {
ForEachLoop<Integer> loop = ForEachLoop.getInstance(array);
loop.setBegin(5);
loop.setEnd(15);
loop.setStep(5);
Set<Integer> iterated = asSet();
for (int i : loop) {
@SuppressWarnings("rawtypes")
Status status = loop.getStatus();
assertEquals("current [" + i + "]", i, status.getCurrent());
assertEquals("count [" + i + "]", (i / 5), status.getCount());
assertEquals("index [" + i + "]", i - 1, status.getIndex());
assertEquals("isFirst [" + i + "]", i == 6, status.isFirst());
assertEquals("isLast [" + i + "]", i == 11, status.isLast());
assertEquals("begin [" + i + "]", (Object) 5, status.getBegin());
assertEquals("end [" + i + "]", (Object) 15, status.getEnd());
assertEquals("step [" + i + "]", (Object) 5, status.getStep());
iterated.add(i);
}
assertEquals(asSet(6, 11), iterated);
}
private Set<Integer> asSet(Integer... integers) {
return new TreeSet<Integer>(Arrays.asList(integers));
}
}