public class TreeWalkBasicDiffTest extends RepositoryTestCase {
public void testMissingSubtree_DetectFileAdded_FileModified()
throws Exception {
final ObjectWriter ow = new ObjectWriter(db);
final ObjectId aFileId = ow.writeBlob("a".getBytes());
final ObjectId bFileId = ow.writeBlob("b".getBytes());
final ObjectId cFileId1 = ow.writeBlob("c-1".getBytes());
final ObjectId cFileId2 = ow.writeBlob("c-2".getBytes());
// Create sub-a/empty, sub-c/empty = hello.