}

    private void writeLittleEndianShort(DataOutputStream dos, short value) throws IOException {
        dos.writeShort(Short.reverseBytes(value));
    }

    private void writeLittleEndianInt(DataOutputStream dos, int value) throws IOException {
        dos.writeInt(Integer.reverseBytes(value));
    }

    private void writeLittleEndianLong(DataOutputStream dos, long value) throws IOException {

    }

    // Test exception for invalid version
    @Test
    void testConstructorInvalidVersion() throws IOException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);

        // Write header with invalid version
        dos.writeInt(Integer.reverseBytes(1)); // 1 buffer
        dos.writeInt(Integer.reverseBytes(999)); // Invalid version

    // 1 signed byte for the strategy
    // 1 unsigned byte for the number of hash functions
    // 1 big endian int, the number of longs in our bitset
    // N big endian longs of our bitset
    DataOutputStream dout = new DataOutputStream(out);
    dout.writeByte(SignedBytes.checkedCast(strategy.ordinal()));
    dout.writeByte(UnsignedBytes.checkedCast(numHashFunctions)); // note: checked at the c'tor
    dout.writeInt(bits.data.length());