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- /*
- * Copyright (C) 2009, Google Inc. and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
- package org.eclipse.jgit.internal.storage.file;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.fail;
-
- import org.eclipse.jgit.junit.RepositoryTestCase;
- import org.eclipse.jgit.storage.file.WindowCacheConfig;
- import org.junit.Test;
-
- public class WindowCacheReconfigureTest extends RepositoryTestCase {
- @Test
- public void testConfigureCache_PackedGitLimit_0() {
- try {
- final WindowCacheConfig cfg = new WindowCacheConfig();
- cfg.setPackedGitLimit(0);
- cfg.install();
- fail("incorrectly permitted PackedGitLimit = 0");
- } catch (IllegalArgumentException e) {
- //
- }
- }
-
- @Test
- public void testConfigureCache_PackedGitWindowSize_0() {
- try {
- final WindowCacheConfig cfg = new WindowCacheConfig();
- cfg.setPackedGitWindowSize(0);
- cfg.install();
- fail("incorrectly permitted PackedGitWindowSize = 0");
- } catch (IllegalArgumentException e) {
- assertEquals("Invalid window size", e.getMessage());
- }
- }
-
- @Test
- public void testConfigureCache_PackedGitWindowSize_512() {
- try {
- final WindowCacheConfig cfg = new WindowCacheConfig();
- cfg.setPackedGitWindowSize(512);
- cfg.install();
- fail("incorrectly permitted PackedGitWindowSize = 512");
- } catch (IllegalArgumentException e) {
- assertEquals("Invalid window size", e.getMessage());
- }
- }
-
- @Test
- public void testConfigureCache_PackedGitWindowSize_4097() {
- try {
- final WindowCacheConfig cfg = new WindowCacheConfig();
- cfg.setPackedGitWindowSize(4097);
- cfg.install();
- fail("incorrectly permitted PackedGitWindowSize = 4097");
- } catch (IllegalArgumentException e) {
- assertEquals("Window size must be power of 2", e.getMessage());
- }
- }
-
- @Test
- public void testConfigureCache_PackedGitOpenFiles_0() {
- try {
- final WindowCacheConfig cfg = new WindowCacheConfig();
- cfg.setPackedGitOpenFiles(0);
- cfg.install();
- fail("incorrectly permitted PackedGitOpenFiles = 0");
- } catch (IllegalArgumentException e) {
- assertEquals("Open files must be >= 1", e.getMessage());
- }
- }
-
- @Test
- public void testConfigureCache_PackedGitWindowSizeAbovePackedGitLimit() {
- try {
- final WindowCacheConfig cfg = new WindowCacheConfig();
- cfg.setPackedGitLimit(1024);
- cfg.setPackedGitWindowSize(8192);
- cfg.install();
- fail("incorrectly permitted PackedGitWindowSize > PackedGitLimit");
- } catch (IllegalArgumentException e) {
- assertEquals("Window size must be < limit", e.getMessage());
- }
- }
-
- @Test
- public void testConfigureCache_Limits1() {
- // This test is just to force coverage over some lower bounds for
- // the table. We don't want the table to wind up with too small
- // of a size. This is highly dependent upon the table allocation
- // algorithm actually implemented in WindowCache.
- //
- final WindowCacheConfig cfg = new WindowCacheConfig();
- cfg.setPackedGitLimit(6 * 4096 / 5);
- cfg.setPackedGitWindowSize(4096);
- cfg.install();
- }
- }
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