/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.test.utility.iterators;
import java.util.Iterator;
import java.util.NoSuchElementException;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.eclipse.persistence.tools.workbench.utility.iterators.ArrayIterator;
public class ArrayIteratorTests extends TestCase {
public static Test suite() {
return new TestSuite(ArrayIteratorTests.class);
}
public ArrayIteratorTests(String name) {
super(name);
}
public void testHasNext() {
int i = 0;
for (Iterator stream = this.buildIterator(); stream.hasNext(); ) {
stream.next();
i++;
}
assertEquals(this.buildArray().length, i);
}
public void testNext() {
int i = 0;
for (Iterator stream = this.buildIterator(); stream.hasNext(); ) {
assertEquals("bogus element", ++i, Integer.parseInt((String) stream.next()));
}
}
public void testNoSuchElementException() {
boolean exCaught = false;
Iterator stream = this.buildIterator();
String string = null;
while (stream.hasNext()) {
string = (String) stream.next();
}
try {
string = (String) stream.next();
} catch (NoSuchElementException ex) {
exCaught = true;
}
assertTrue("NoSuchElementException not thrown: " + string, exCaught);
}
public void testUnsupportedOperationException() {
boolean exCaught = false;
for (Iterator stream = this.buildIterator(); stream.hasNext(); ) {
if (stream.next().equals("3")) {
try {
stream.remove();
} catch (UnsupportedOperationException ex) {
exCaught = true;
}
}
}
assertTrue("UnsupportedOperationException not thrown", exCaught);
}
public void testIllegalArgumentException() {
this.triggerIllegalArgumentException(-1, 1);
this.triggerIllegalArgumentException(8, 1);
this.triggerIllegalArgumentException(0, -1);
this.triggerIllegalArgumentException(0, 9);
}
public void triggerIllegalArgumentException(int start, int length) {
boolean exCaught = false;
Iterator stream = null;
try {
stream = this.buildIterator(start, length);
} catch (IllegalArgumentException ex) {
exCaught = true;
}
assertTrue("IllegalArgumentException not thrown: " + stream, exCaught);
}
Iterator buildIterator() {
return this.buildIterator(this.buildArray());
}
Iterator buildIterator(Object[] array) {
return new ArrayIterator(array);
}
Iterator buildIterator(int start, int length) {
return this.buildIterator(this.buildArray(), start, length);
}
Iterator buildIterator(Object[] array, int start, int length) {
return new ArrayIterator(array, start, length);
}
Object[] buildArray() {
return new Object[] {"1", "2", "3", "4", "5", "6", "7", "8"};
}
}