mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@54391 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
105 lines
3.6 KiB
Java
105 lines
3.6 KiB
Java
/*
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* Copyright (C) 2005-2012 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.repo.cache;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNull;
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import org.junit.Test;
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/**
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* Tests for the DefaultSimpleCache class.
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*
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* @author Matt Ward
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*/
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public class DefaultSimpleCacheTest extends SimpleCacheTestBase<DefaultSimpleCache<Integer, String>>
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{
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@Override
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protected DefaultSimpleCache<Integer, String> createCache()
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{
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return new DefaultSimpleCache<Integer, String>(100, getClass().getName());
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}
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@Test
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public void boundedSizeCache() throws Exception
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{
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// We'll only keep the LAST 3 items
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cache.setMaxItems(3);
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cache.put(1, "1");
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cache.put(2, "2");
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cache.put(3, "3");
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cache.put(4, "4");
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cache.put(5, "5");
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// Lost the first item
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assertNull(cache.get(1));
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assertFalse(cache.contains(1));
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// Lost the second item
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assertNull(cache.get(2));
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assertFalse(cache.contains(2));
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// Last three are still present
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assertEquals("3", cache.get(3));
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assertEquals("4", cache.get(4));
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assertEquals("5", cache.get(5));
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}
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@Test
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public void putAndCheckUpdate()
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{
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// Put an initial value
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cache.put(101, "101");
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// Update it
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assertEquals(true, cache.putAndCheckUpdate(101, "99101"));
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// Check the value really was updated
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assertEquals("99101", cache.get(101));
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// Precondition: no value for key 102
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assertFalse(cache.contains(102));
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// Put a value - and test the return
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assertEquals(false, cache.putAndCheckUpdate(102, "102"));
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assertEquals("102", cache.get(102));
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cache.put(103, null);
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assertEquals(true, cache.putAndCheckUpdate(103, "103"));
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// Repeat the put, this should not be an update
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assertEquals(false, cache.putAndCheckUpdate(103, "103"));
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assertFalse(cache.contains(104));
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assertEquals(false, cache.putAndCheckUpdate(104, null));
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// Repeat putting null - still not an update, as we had that value a moment ago.
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assertEquals(false, cache.putAndCheckUpdate(104, null));
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// Now an update
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assertEquals(true, cache.putAndCheckUpdate(104, "104"));
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// Another update
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assertEquals(true, cache.putAndCheckUpdate(104, "99104"));
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// Another update, back to null
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assertEquals(true, cache.putAndCheckUpdate(104, null));
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// Not an update - still null
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assertEquals(false, cache.putAndCheckUpdate(104, null));
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cache.remove(104);
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assertEquals(false, cache.putAndCheckUpdate(104, "104"));
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assertEquals(true, cache.putAndCheckUpdate(104, null));
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}
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}
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