c.toEndDoc();
Assert.assertTrue( c.getBookmark ( MyMark.class ) == m8 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == m7 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == m6 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == m5 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == m4 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == m3 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == m2 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == m1 );
Assert.assertTrue( c.toPrevBookmark( MyMark.class ) == null );