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/*******************************************************************************
* Copyright (c) 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.tests.internal.iterables;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Iterator;
import junit.framework.TestCase;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.common.utility.internal.iterators.CloneIterator;
import org.eclipse.jpt.common.utility.internal.iterators.CloneListIterator;
@SuppressWarnings("nls")
public abstract class CloneIterableTests extends TestCase {
Iterable<String> iterable;
public CloneIterableTests(String name) {
super(name);
}
public void testIterator() {
List<String> c = new ArrayList<String>();
c.add("0");
c.add("1");
c.add("2");
c.add("3");
assertEquals(4, c.size());
this.iterable = this.buildIterable(c);
int i = 0;
for (String s : this.iterable) {
assertEquals(String.valueOf(i++), s);
c.remove("3");
}
assertEquals(4, i);
assertEquals(3, c.size());
}
public void testRemove() {
final List<String> collection = this.buildCollection();
this.iterable = this.buildRemovingIterable(collection);
Object removed = "three";
assertTrue(CollectionTools.contains(this.iterable, removed));
for (Iterator<String> iterator = this.iterable.iterator(); iterator.hasNext(); ) {
if (iterator.next().equals(removed)) {
iterator.remove();
}
}
assertFalse(collection.contains(removed));
}
public void testRemover() {
final List<String> collection = this.buildCollection();
this.iterable = this.buildIterableWithRemover(collection);
Object removed = "three";
assertTrue(CollectionTools.contains(this.iterable, removed));
for (Iterator<String> iterator = this.iterable.iterator(); iterator.hasNext(); ) {
if (iterator.next().equals(removed)) {
iterator.remove();
}
}
assertFalse(collection.contains(removed));
}
public void testMissingRemover() {
final List<String> collection = this.buildCollection();
this.iterable = this.buildIterable(collection);
assertNotNull(this.iterable.toString());
Object removed = "three";
assertTrue(CollectionTools.contains(this.iterable, removed));
boolean exCaught = false;
for (Iterator<String> iterator = this.iterable.iterator(); iterator.hasNext(); ) {
if (iterator.next().equals(removed)) {
try {
iterator.remove();
fail();
} catch (RuntimeException ex) {
exCaught = true;
}
}
}
assertTrue(exCaught);
}
public void testToString() {
final List<String> collection = this.buildCollection();
this.iterable = this.buildIterable(collection);
assertNotNull(iterable.toString());
}
abstract Iterable<String> buildIterable(List<String> c);
abstract Iterable<String> buildRemovingIterable(List<String> c);
abstract Iterable<String> buildIterableWithRemover(List<String> c);
CloneIterator.Remover<String> buildRemover(final Collection<String> c) {
return new CloneIterator.Remover<String>() {
public void remove(String current) {
c.remove(current);
}
};
}
CloneListIterator.Mutator<String> buildMutator(final List<String> list) {
return new CloneListIterator.Mutator<String>() {
public void add(int index, String string) {
list.add(index, string);
}
public void set(int index, String string) {
list.set(index, string);
}
public void remove(int index) {
list.remove(index);
}
};
}
List<String> buildCollection() {
List<String> c = new ArrayList<String>();
c.add("one");
c.add("two");
c.add("three");
c.add("four");
c.add("five");
c.add("six");
c.add("seven");
c.add("eight");
return c;
}
}
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