//     the smaller of these blocks with the far end of the other one. That leaves us with a
    //     smaller version of the same problem.
    //     Say we are rotating abcdefgh by 5. We start with abcde|fgh. The smaller block is [fgh]:
    //     [abc]de|[fgh] -> [fgh]de|[abc]. Now [fgh] is in the right place, but we need to swap [de]

            // Read next chunk
            bytesRead = in.read(buffer);
            assertEquals(10, bytesRead, "Should read next chunk");
            assertEquals("ABCDEFGHIJ", new String(buffer, 0, bytesRead, "UTF-8"));
        }
    }

    @Test
    void testZeroByteFile() throws Exception {
        // Test handling of zero-byte files