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- /*
- * Copyright (C) 2011, Robin Stocker <robin@nibor.org> 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.revwalk;
-
- import static org.junit.Assert.assertEquals;
-
- import org.junit.Test;
-
- public class RevWalkUtilsCountTest extends RevWalkTestCase {
-
- @Test
- public void shouldWorkForNormalCase() throws Exception {
- final RevCommit a = commit();
- final RevCommit b = commit(a);
-
- assertEquals(1, count(b, a));
- }
-
- @Test
- public void shouldReturnZeroOnSameCommit() throws Exception {
- final RevCommit c1 = commit(commit(commit()));
- assertEquals(0, count(c1, c1));
- }
-
- @Test
- public void shouldReturnZeroWhenMergedInto() throws Exception {
- final RevCommit a = commit();
- final RevCommit b = commit(a);
-
- assertEquals(0, count(a, b));
- }
-
- @Test
- public void shouldWorkWithMerges() throws Exception {
- final RevCommit a = commit();
- final RevCommit b1 = commit(a);
- final RevCommit b2 = commit(a);
- final RevCommit c = commit(b1, b2);
-
- assertEquals(3, count(c, a));
- }
-
- @Test
- public void shouldWorkWithoutCommonAncestor() throws Exception {
- final RevCommit a1 = commit();
- final RevCommit a2 = commit();
- final RevCommit b = commit(a1);
-
- assertEquals(2, count(b, a2));
- }
-
- @Test
- public void shouldWorkWithZeroAsEnd() throws Exception {
- final RevCommit c = commit(commit());
-
- assertEquals(2, count(c, null));
- }
-
- private int count(RevCommit start, RevCommit end) throws Exception {
- return RevWalkUtils.count(rw, start, end);
- }
- }
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