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- /*
- * Copyright (C) 2012, Christian Halstrick <christian.halstrick@sap.com> 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.assertFalse;
- import static org.junit.Assert.assertTrue;
-
- import java.util.Iterator;
-
- import org.eclipse.jgit.internal.storage.file.PackIndex.MutableEntry;
- import org.eclipse.jgit.internal.storage.pack.PackExt;
- import org.eclipse.jgit.junit.TestRepository.BranchBuilder;
- import org.junit.Test;
-
- public class GcKeepFilesTest extends GcTestCase {
- @Test
- public void testKeepFiles() throws Exception {
- BranchBuilder bb = tr.branch("refs/heads/master");
- bb.commit().add("A", "A").add("B", "B").create();
- stats = gc.getStatistics();
- assertEquals(4, stats.numberOfLooseObjects);
- assertEquals(0, stats.numberOfPackedObjects);
- assertEquals(0, stats.numberOfPackFiles);
- gc.gc();
- stats = gc.getStatistics();
- assertEquals(0, stats.numberOfLooseObjects);
- assertEquals(4, stats.numberOfPackedObjects);
- assertEquals(1, stats.numberOfPackFiles);
-
- Iterator<Pack> packIt = repo.getObjectDatabase().getPacks()
- .iterator();
- Pack singlePack = packIt.next();
- assertFalse(packIt.hasNext());
- PackFile keepFile = singlePack.getPackFile().create(PackExt.KEEP);
- assertFalse(keepFile.exists());
- assertTrue(keepFile.createNewFile());
- bb.commit().add("A", "A2").add("B", "B2").create();
- stats = gc.getStatistics();
- assertEquals(4, stats.numberOfLooseObjects);
- assertEquals(4, stats.numberOfPackedObjects);
- assertEquals(1, stats.numberOfPackFiles);
- gc.gc();
- stats = gc.getStatistics();
- assertEquals(0, stats.numberOfLooseObjects);
- assertEquals(8, stats.numberOfPackedObjects);
- assertEquals(2, stats.numberOfPackFiles);
-
- // check that no object is packed twice
- Iterator<Pack> packs = repo.getObjectDatabase().getPacks()
- .iterator();
- PackIndex ind1 = packs.next().getIndex();
- assertEquals(4, ind1.getObjectCount());
- PackIndex ind2 = packs.next().getIndex();
- assertEquals(4, ind2.getObjectCount());
- for (MutableEntry e: ind1)
- if (ind2.hasObject(e.toObjectId()))
- assertFalse(
- "the following object is in both packfiles: "
- + e.toObjectId(),
- ind2.hasObject(e.toObjectId()));
- }
- }
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