}, "Should throw IndexOutOfBoundsException if destination offset + length exceeds destination array bounds");
    }

    @Test
    void testEncodeNullSourceArray() {
        // Test with a null source array
        ByteEncodable encodable = new ByteEncodable(null, 0, 0);
        byte[] dest = new byte[1];

        // Expect NullPointerException from System.arraycopy