1 files changed, 140 insertions, 0 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevCommitListTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevCommitListTest.java
new file mode 100644
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+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevCommitListTest.java
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2012, Matthias Sohn <matthias.sohn@sap.com>
+ * 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,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * 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.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.RepositoryTestCase;
+import org.junit.Test;
+
+public class RevCommitListTest extends RepositoryTestCase {
+
+	private RevCommitList<RevCommit> list;
+
+	public void setup(int count) throws Exception {
+		Git git = new Git(db);
+		for (int i = 0; i < count; i++)
+			git.commit().setCommitter(committer).setAuthor(author)
+					.setMessage("commit " + i).call();
+		list = new RevCommitList<RevCommit>();
+		RevWalk w = new RevWalk(db);
+		w.markStart(w.lookupCommit(db.resolve(Constants.HEAD)));
+		list.source(w);
+	}
+
+	@Test
+	public void testFillToHighMark2() throws Exception {
+		setup(3);
+		list.fillTo(1);
+		assertEquals(2, list.size());
+		assertEquals("commit 2", list.get(0).getFullMessage());
+		assertEquals("commit 1", list.get(1).getFullMessage());
+		assertNull("commit 0 shouldn't be loaded", list.get(2));
+	}
+
+	@Test
+	public void testFillToHighMarkAll() throws Exception {
+		setup(3);
+		list.fillTo(2);
+		assertEquals(3, list.size());
+		assertEquals("commit 2", list.get(0).getFullMessage());
+		assertEquals("commit 0", list.get(2).getFullMessage());
+	}
+
+	@Test
+	public void testFillToHighMark4() throws Exception {
+		setup(3);
+		list.fillTo(3);
+		assertEquals(3, list.size());
+		assertEquals("commit 2", list.get(0).getFullMessage());
+		assertEquals("commit 0", list.get(2).getFullMessage());
+		assertNull("commit 3 can't be loaded", list.get(3));
+	}
+
+	@Test
+	public void testFillToHighMarkMulitpleBlocks() throws Exception {
+		setup(258);
+		list.fillTo(257);
+		assertEquals(258, list.size());
+	}
+
+	@Test
+	public void testFillToCommit() throws Exception {
+		setup(3);
+
+		RevWalk w = new RevWalk(db);
+		w.markStart(w.lookupCommit(db.resolve(Constants.HEAD)));
+
+		w.next();
+		RevCommit c = w.next();
+		assertNotNull("should have found 2. commit", c);
+
+		list.fillTo(c, 5);
+		assertEquals(2, list.size());
+		assertEquals("commit 1", list.get(1).getFullMessage());
+		assertNull(list.get(3));
+	}
+
+	@Test
+	public void testFillToUnknownCommit() throws Exception {
+		setup(258);
+		RevCommit c = new RevCommit(
+				ObjectId.fromString("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
+
+		list.fillTo(c, 300);
+		assertEquals("loading to unknown commit should load all commits", 258,
+				list.size());
+	}
+
+	@Test
+	public void testFillToNullCommit() throws Exception {
+		setup(3);
+		list.fillTo(null, 1);
+		assertNull(list.get(0));
+	}
+}