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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 junit.framework.TestCase;
import org.eclipse.jpt.common.utility.internal.iterables.ArrayIterable;
@SuppressWarnings("nls")
public class ArrayIterableTests extends TestCase {
public ArrayIterableTests(String name) {
super(name);
}
public void testIterator() {
int i = 1;
for (String string : this.buildIterable()) {
assertEquals(i++, Integer.parseInt(string));
}
}
public void testSubIterator() {
int i = 3;
for (String string : this.buildIterable(2)) {
assertEquals(i++, Integer.parseInt(string));
}
}
public void testIllegalArgumentException() {
this.triggerIllegalArgumentException(-1, 1);
this.triggerIllegalArgumentException(8, 1);
this.triggerIllegalArgumentException(0, -1);
this.triggerIllegalArgumentException(0, 9);
}
private void triggerIllegalArgumentException(int start, int length) {
boolean exCaught = false;
try {
Iterable<String> iterable = this.buildIterable(start, length);
fail("bogus iterable: " + iterable);
} catch (IllegalArgumentException ex) {
exCaught = true;
}
assertTrue(exCaught);
}
private Iterable<String> buildIterable() {
return this.buildIterable(0);
}
private Iterable<String> buildIterable(int start) {
return this.buildIterable(this.buildArray(), start);
}
private Iterable<String> buildIterable(String[] array, int start) {
return new ArrayIterable<String>(array, start);
}
private Iterable<String> buildIterable(int start, int length) {
return this.buildIterable(this.buildArray(), start, length);
}
private Iterable<String> buildIterable(String[] array, int start, int length) {
return new ArrayIterable<String>(array, start, length);
}
private String[] buildArray() {
return new String[] { "1", "2", "3", "4", "5", "6", "7", "8" };
}
}
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