public void testCheckoutAndCommitWithChangeDoesChangeVersion() throws Exception {

        SortedRangeSet range;

        RepositoryImpl repo = new RepositoryImpl(new File(m_baseDir, "data"), new File(m_baseDir, "tmp"), true);

        InputStream data = new ByteArrayInputStream("abc".getBytes());



        assertTrue(repo.put(data, 1), "Put should have succeeded");



        range = repo.getRange();

        assertEquals(1, range.getHigh(), "Version 1 should be the most recent one");



        InputStream is = repo.checkout(1);

        assertNotNull(is, "Nothing checked out?!");



        data = new ByteArrayInputStream("def".getBytes());



        assertTrue(repo.commit(data, 1), "Commit should NOT be ignored");



        range = repo.getRange();

        assertEquals(2, range.getHigh());

    }