| /* |
| * Copyright (C) 2009, Google Inc. |
| * 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, |
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| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.revwalk; |
| |
| import static org.junit.Assert.assertNull; |
| |
| import org.junit.Test; |
| |
| public class RevWalkCullTest extends RevWalkTestCase { |
| @Test |
| public void testProperlyCullAllAncestors1() throws Exception { |
| // Credit goes to Junio C Hamano <gitster@pobox.com> for this |
| // test case in git-core (t/t6009-rev-list-parent.sh) |
| // |
| // We induce a clock skew so two is dated before one. |
| // |
| final RevCommit a = commit(); |
| final RevCommit b = commit(-2400, a); |
| final RevCommit c = commit(b); |
| final RevCommit d = commit(c); |
| |
| markStart(a); |
| markUninteresting(d); |
| assertNull(rw.next()); |
| } |
| |
| @Test |
| public void testProperlyCullAllAncestors2() throws Exception { |
| // Despite clock skew on c1 being very old it should not |
| // produce, neither should a or b, or any part of that chain. |
| // |
| final RevCommit a = commit(); |
| final RevCommit b = commit(a); |
| final RevCommit c1 = commit(-5, b); |
| final RevCommit c2 = commit(10, b); |
| final RevCommit d = commit(c1, c2); |
| |
| markStart(d); |
| markUninteresting(c1); |
| assertCommit(d, rw.next()); |
| assertCommit(c2, rw.next()); |
| assertNull(rw.next()); |
| } |
| |
| @Test |
| public void testProperlyCullAllAncestors_LongHistory() throws Exception { |
| final RevCommit a = commit(); |
| RevCommit b = commit(a); |
| for (int i = 0; i < 24; i++) { |
| b = commit(b); |
| if ((i & 2) == 0) |
| markUninteresting(b); |
| } |
| final RevCommit c = commit(b); |
| |
| markStart(c); |
| markUninteresting(b); |
| assertCommit(c, rw.next()); |
| assertNull(rw.next()); |
| |
| // We should have aborted before we got back so far that "a" |
| // would be parsed. Thus, its parents shouldn't be allocated. |
| // |
| assertNull(a.parents); |
| } |
| } |