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/*******************************************************************************
* Copyright (c) 2008, 2009 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.p2.tests.core;
import java.util.Iterator;
import org.eclipse.equinox.internal.p2.core.helpers.OrderedProperties;
import org.eclipse.equinox.p2.tests.AbstractProvisioningTest;
/**
* @since 3.5
*/
public class OrderedPropertiesTest extends AbstractProvisioningTest {
public void test_249125() {
OrderedProperties one = new OrderedProperties();
OrderedProperties two = new OrderedProperties();
assertEquals("1.0", one, two);
one = new OrderedProperties();
two = new OrderedProperties(1);
assertEquals("1.1", one, two);
one = new OrderedProperties(1);
two = new OrderedProperties();
assertEquals("1.2", one, two);
}
/**
* Ordered properties guarantees that iteration order is the same as the
* insertion order. This test verifies the claim is true.
*/
public void testIterationOrder() {
//asserts that iteration always occurs in insertion order
OrderedProperties props = new OrderedProperties();
props.setProperty("one", "one");
props.setProperty("two", "two");
for (Iterator it = props.keySet().iterator(); it.hasNext();) {
assertEquals("one", it.next());
assertEquals("two", it.next());
}
props = new OrderedProperties();
props.setProperty("two", "two");
props.setProperty("one", "one");
for (Iterator it = props.keySet().iterator(); it.hasNext();) {
assertEquals("two", it.next());
assertEquals("one", it.next());
}
//removing and re-adding a property should move it to the back of the insertion order
props.remove("two");
props.setProperty("two", "two");
for (Iterator it = props.keySet().iterator(); it.hasNext();) {
assertEquals("one", it.next());
assertEquals("two", it.next());
}
}
}
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