| /******************************************************************************* |
| * 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()); |
| } |
| } |
| } |