| /* |
| * Copyright (C) 2019, Matthias Sohn <matthias.sohn@sap.com> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.eclipse.jgit.util; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class SimpleLruCacheTest { |
| |
| private Path trash; |
| |
| private SimpleLruCache<String, String> cache; |
| |
| |
| @Before |
| public void setup() throws IOException { |
| trash = Files.createTempDirectory("tmp_"); |
| cache = new SimpleLruCache<>(100, 0.2f); |
| } |
| |
| @Before |
| @After |
| public void tearDown() throws Exception { |
| FileUtils.delete(trash.toFile(), |
| FileUtils.RECURSIVE | FileUtils.SKIP_MISSING); |
| } |
| |
| @Test |
| public void testPutGet() { |
| cache.put("a", "A"); |
| cache.put("z", "Z"); |
| assertEquals("A", cache.get("a")); |
| assertEquals("Z", cache.get("z")); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testPurgeFactorTooLarge() { |
| cache.configure(5, 1.01f); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testPurgeFactorTooLarge2() { |
| cache.configure(5, 100); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testPurgeFactorTooSmall() { |
| cache.configure(5, 0); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testPurgeFactorTooSmall2() { |
| cache.configure(5, -100); |
| } |
| |
| @Test |
| public void testGetMissing() { |
| assertEquals(null, cache.get("a")); |
| } |
| |
| @Test |
| public void testPurge() { |
| for (int i = 0; i < 101; i++) { |
| cache.put("a" + i, "a" + i); |
| } |
| assertEquals(80, cache.size()); |
| assertNull(cache.get("a0")); |
| assertNull(cache.get("a20")); |
| assertNotNull(cache.get("a21")); |
| assertNotNull(cache.get("a99")); |
| } |
| |
| @Test |
| public void testConfigure() { |
| for (int i = 0; i < 100; i++) { |
| cache.put("a" + i, "a" + i); |
| } |
| assertEquals(100, cache.size()); |
| cache.configure(10, 0.3f); |
| assertEquals(7, cache.size()); |
| assertNull(cache.get("a0")); |
| assertNull(cache.get("a92")); |
| assertNotNull(cache.get("a93")); |
| assertNotNull(cache.get("a99")); |
| } |
| } |