@Test

    public void input() throws Exception {

        // I don't like "test all at once" tests either, but the class

        // is soo trivial

        ByteArrayInputStream bis =

            new ByteArrayInputStream(new byte[] { 1, 2, 3, 4 });

        CountingInputStream i = new CountingInputStream(bis);

        assertEquals(1, i.read());

        assertEquals(1, i.getBytesRead());

        byte[] b = new byte[2];

        i.read(b);

        assertEquals(3, i.getBytesRead());

        assertArrayEquals(new byte[] { 2, 3 }, b);

        b = new byte[3];

        i.read(b, 1, 1);

        assertArrayEquals(new byte[] { 0, 4, 0 }, b);

        assertEquals(4, i.getBytesRead());

        i.count(-1);

        assertEquals(4, i.getBytesRead());

        i.count(-2);

        assertEquals(2, i.getBytesRead());

        i.close();

    }

        super(in);

    }

        int r = in.read();

        if (r >= 0) {

            count(1);

        return r;

        return read(b, 0, b.length);

        int r = in.read(b, off, len);

        if (r >= 0) {

            count(r);

        return r;

        if (read != -1) {

            bytesRead += read;

    }

        return bytesRead;

    private long bytesWritten = 0;

        super(out);

    }

        out.write(b);

        count(1);

    }

        write(b, 0, b.length);

    }

        out.write(b, off, len);

        count(len);

    }

        if (written != -1) {

            bytesWritten += written;

    }

        return bytesWritten;