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/*******************************************************************************
* Copyright (c) 2007 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.utility.tests.internal;
import junit.framework.TestCase;
import org.eclipse.jpt.utility.internal.Counter;
public class CounterTests extends TestCase {
public CounterTests(String name) {
super(name);
}
public void testCtors() {
Counter counter;
counter = new Counter();
assertEquals(0, counter.count());
counter = new Counter(7);
assertEquals(7, counter.count());
counter = new Counter(-7);
assertEquals(-7, counter.count());
}
public void testIncrement() {
Counter counter;
int count;
counter = new Counter();
assertEquals(0, counter.count());
count = counter.increment(3);
assertEquals(3, count);
assertEquals(3, counter.count());
count = counter.increment();
assertEquals(4, count);
assertEquals(4, counter.count());
count = counter.increment(-7);
assertEquals(-3, count);
assertEquals(-3, counter.count());
}
public void testDecrement() {
Counter counter;
int count;
counter = new Counter();
assertEquals(0, counter.count());
count = counter.decrement(3);
assertEquals(-3, count);
assertEquals(-3, counter.count());
count = counter.decrement();
assertEquals(-4, count);
assertEquals(-4, counter.count());
count = counter.decrement(-7);
assertEquals(3, count);
assertEquals(3, counter.count());
}
public void testClone() {
Counter counter = new Counter(44);
Counter counter2 = (Counter) counter.clone();
assertEquals(44, counter2.count());
assertEquals(counter, counter2);
assertNotSame(counter, counter2);
}
public void testEquals() {
Counter counter = new Counter(44);
Counter counter2 = new Counter(44);
assertEquals(counter, counter2);
assertEquals(counter.hashCode(), counter2.hashCode());
}
public void testSerialization() throws Exception {
Counter counter = new Counter(44);
Counter counter2 = TestTools.serialize(counter);
assertEquals(44, counter2.count());
assertEquals(counter, counter2);
assertNotSame(counter, counter2);
}
}
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