request.param("special", "ñ€±");

        // Should not throw exception
        assertNotNull(request);
    }

    @Test
    public void testUnsupportedEncodingThrowsException() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");
        request.encoding("INVALID-ENCODING");

        try {
            request.param("key", "value");