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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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