/*      $NetBSD: t_sdp_get.c,v 1.2 2011/04/07 08:29:50 plunky Exp $     */

/*-
 * Copyright (c) 2011 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Iain Hibbert.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <atf-c.h>

#include <limits.h>
#include <sdp.h>
#include <string.h>

ATF_TC(check_sdp_get_data);

ATF_TC_HEAD(check_sdp_get_data, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_data results");
}

ATF_TC_BODY(check_sdp_get_data, tc)
{
        uint8_t data[] = {
                0x09, 0x00, 0x00,       // uint16       0x0000
                0x35, 0x05,             // seq8(5)
                0x19, 0x00, 0x00,       //   uuid16     0x0000
                0x08, 0x00,             //   uint8      0x00
                0x36, 0x00, 0x01,       // seq16(1)
                0x19,                   //   uint16     /* invalid */
                0x25, 0x04, 0x54, 0x45, // str8(4)      "TEST"
                0x53, 0x54,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t value, seq;

        /*
         * sdp_get_data constructs a new sdp_data_t containing
         * the next data element, advancing test if successful
         */
        ATF_REQUIRE(sdp_get_data(&test, &value));
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_UINT16);
        ATF_CHECK_EQ(sdp_data_size(&value), 3);

        ATF_REQUIRE(sdp_get_data(&test, &value));
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_SEQ8);
        ATF_CHECK_EQ(sdp_data_size(&value), 7);

        ATF_REQUIRE(sdp_get_data(&test, &value));
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_SEQ16);
        ATF_CHECK_EQ(sdp_data_size(&value), 4);
        ATF_REQUIRE_EQ(sdp_get_seq(&value, &seq), true);
        ATF_REQUIRE_EQ(sdp_get_data(&seq, &value), false);      /* invalid */

        ATF_REQUIRE(sdp_get_data(&test, &value));
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_STR8);
        ATF_CHECK_EQ(sdp_data_size(&value), 6);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_attr);

ATF_TC_HEAD(check_sdp_get_attr, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_attr results");
}

ATF_TC_BODY(check_sdp_get_attr, tc)
{
        uint8_t data[] = {
                0x09, 0x00, 0x00,       // uint16       0x0000
                0x35, 0x05,             // seq8(5)
                0x19, 0x00, 0x00,       //   uuid16     0x0000
                0x08, 0x00,             //   uint8      0x00
                0x08, 0x00,             // uint8        0x00
                0x09, 0x00, 0x01,       // uint16       0x0001
                0x19, 0x12, 0x34,       // uuid16       0x1234
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t value;
        uint16_t attr;

        /*
         * sdp_get_attr expects a UINT16 followed by any data item
         * and advances test if successful
         */
        ATF_REQUIRE(sdp_get_attr(&test, &attr, &value));
        ATF_CHECK_EQ(attr, 0x0000);
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_SEQ8);
        ATF_CHECK_EQ(sdp_data_size(&value), 7);

        ATF_REQUIRE_EQ(sdp_get_attr(&test, &attr, &value), false);
        ATF_REQUIRE(sdp_get_data(&test, &value));
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_UINT8);
        ATF_CHECK_EQ(sdp_data_size(&value), 2);

        ATF_REQUIRE(sdp_get_attr(&test, &attr, &value));
        ATF_CHECK_EQ(attr, 0x0001);
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_UUID16);
        ATF_CHECK_EQ(sdp_data_size(&value), 3);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_uuid);

ATF_TC_HEAD(check_sdp_get_uuid, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_uuid results");
}

ATF_TC_BODY(check_sdp_get_uuid, tc)
{
        uint8_t data[] = {
                0x19, 0x12, 0x34,       // uuid16       0x1234
                0x1a, 0x11, 0x22, 0x33, // uuid32       0x11223344
                0x44,
                0x00,                   // nil
                0x1c,                   // uuid128      0x00112233-4444--5555-6666-778899aabbcc
                0x00, 0x11, 0x22, 0x33,
                0x44, 0x44, 0x55, 0x55,
                0x66, 0x66, 0x77, 0x88,
                0x99, 0xaa, 0xbb, 0xcc,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        uuid_t u16 = {
                0x00001234,
                0x0000,
                0x1000,
                0x80,
                0x00,
                { 0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb }
        };
        uuid_t u32 = {
                0x11223344,
                0x0000,
                0x1000,
                0x80,
                0x00,
                { 0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb }
        };
        uuid_t u128 = {
                0x00112233,
                0x4444,
                0x5555,
                0x66,
                0x66,
                { 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc }
        };
        sdp_data_t nil;
        uuid_t value;

        /*
         * sdp_get_uuid expects any UUID type returns the full uuid
         * advancing test if successful
         */
        ATF_REQUIRE(sdp_get_uuid(&test, &value));
        ATF_CHECK(uuid_equal(&value, &u16, NULL));

        ATF_REQUIRE(sdp_get_uuid(&test, &value));
        ATF_CHECK(uuid_equal(&value, &u32, NULL));

        ATF_REQUIRE_EQ(sdp_get_uuid(&test, &value), false);     /* not uuid */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_uuid(&test, &value));
        ATF_CHECK(uuid_equal(&value, &u128, NULL));

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_bool);

ATF_TC_HEAD(check_sdp_get_bool, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_bool results");
}

ATF_TC_BODY(check_sdp_get_bool, tc)
{
        uint8_t data[] = {
                0x28, 0x00,     // bool         false
                0x00,           // nil
                0x28, 0x01,     // bool         true
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t nil;
        bool value;

        /*
         * sdp_get_bool expects a BOOL type
         * advancing test if successful
         */
        ATF_REQUIRE(sdp_get_bool(&test, &value));
        ATF_CHECK_EQ(value, false);

        ATF_REQUIRE_EQ(sdp_get_bool(&test, &value), false);     /* not bool */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_bool(&test, &value));
        ATF_CHECK_EQ(value, true);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_uint);

ATF_TC_HEAD(check_sdp_get_uint, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_uint results");
}

ATF_TC_BODY(check_sdp_get_uint, tc)
{
        uint8_t data[] = {
                0x08, 0x00,             // uint8        0x00
                0x08, 0xff,             // uint8        0xff
                0x09, 0x01, 0x02,       // uint16       0x0102
                0x09, 0xff, 0xff,       // uint16       0xffff
                0x00,                   // nil
                0x0a, 0x01, 0x02, 0x03, // uint32       0x01020304
                0x04,
                0x0a, 0xff, 0xff, 0xff, // uint32       0xffffffff
                0xff,
                0x0b, 0x01, 0x02, 0x03, // uint64       0x0102030405060708
                0x04, 0x05, 0x06, 0x07,
                0x08,
                0x0b, 0xff, 0xff, 0xff, // uint64       0xffffffffffffffff
                0xff, 0xff, 0xff, 0xff,
                0xff,
                0x0c, 0x00, 0x00, 0x00, // uint128      0x00000000000000000000000000000000
                0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                0x00,
                0x0c, 0x00, 0x00, 0x00, // uint128      0x00000000000000010000000000000000
                0x00, 0x00, 0x00, 0x00,
                0x01, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                0x00,
                0x0c, 0x00, 0x00, 0x00, // uint128      0x0000000000000000ffffffffffffffff
                0x00, 0x00, 0x00, 0x00,
                0x00, 0xff, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff,
                0xff,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t nil;
        uintmax_t value;

        /*
         * sdp_get_uint expects any UINT type, advancing test if successful
         */
        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, 0x00);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, UINT8_MAX);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, 0x0102);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, UINT16_MAX);

        ATF_REQUIRE_EQ(sdp_get_uint(&test, &value), false);     /* not uint */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, 0x01020304);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, UINT32_MAX);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, 0x0102030405060708);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, UINT64_MAX);

        /*
         * expected failure is that we cannot decode UINT128 values larger than UINT64
         */
        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, 0x00000000000000000000000000000000);

        ATF_REQUIRE_EQ(sdp_get_uint(&test, &value), false);     /* overflow */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_UINT128);

        ATF_REQUIRE(sdp_get_uint(&test, &value));
        ATF_CHECK_EQ(value, UINT64_MAX);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_int);

ATF_TC_HEAD(check_sdp_get_int, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_int results");
}

ATF_TC_BODY(check_sdp_get_int, tc)
{
        uint8_t data[] = {
                0x10, 0x00,             // int8         0x00
                0x10, 0x7f,             // int8         0x7f
                0x10, 0x80,             // int8         0x80
                0x11, 0x01, 0x02,       // int16        0x0102
                0x11, 0x7f, 0xff,       // int16        0x7fff
                0x11, 0x80, 0x00,       // int16        0x8000
                0x00,                   // nil
                0x12, 0x01, 0x02, 0x03, // int32        0x01020304
                0x04,
                0x12, 0x7f, 0xff, 0xff, // int32        0x7fffffff
                0xff,
                0x12, 0x80, 0x00, 0x00, // int32        0x80000000
                0x00,
                0x13, 0x01, 0x02, 0x03, // int64        0x0102030405060708
                0x04, 0x05, 0x06, 0x07,
                0x08,
                0x13, 0x7f, 0xff, 0xff, // int64        0x7fffffffffffffff
                0xff, 0xff, 0xff, 0xff,
                0xff,
                0x13, 0x80, 0x00, 0x00, // int64        0x8000000000000000
                0x00, 0x00, 0x00, 0x00,
                0x00,
                0x14, 0x00, 0x00, 0x00, // int128       0x00000000000000000000000000000000
                0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                0x00,
                0x14, 0x00, 0x00, 0x00, // int128       0x00000000000000007fffffffffffffff
                0x00, 0x00, 0x00, 0x00, //                      (INT64_MAX)
                0x00, 0x7f, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff,
                0xff,
                0x14, 0x00, 0x00, 0x00, // int128       0x00000000000000008000000000000000
                0x00, 0x00, 0x00, 0x00, //                      (INT64_MAX + 1)
                0x00, 0x80, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                0x00,
                0x14, 0xff, 0xff, 0xff, // int128       0xffffffffffffffff8000000000000000
                0xff, 0xff, 0xff, 0xff, //                      (INT64_MIN)
                0xff, 0x80, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                0x00,
                0x14, 0xff, 0xff, 0xff, // int128       0xffffffffffffffff7fffffffffffffff
                0xff, 0xff, 0xff, 0xff, //                      (INT64_MIN - 1)
                0xff, 0x7f, 0xff, 0xff,
                0xff, 0xff, 0xff, 0xff,
                0xff,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t nil;
        intmax_t value;

        /*
         * sdp_get_int expects any INT type, advancing test if successful
         */
        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, 0);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT8_MAX);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT8_MIN);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, 0x0102);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT16_MAX);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT16_MIN);

        ATF_REQUIRE_EQ(sdp_get_int(&test, &value), false);      /* not int */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, 0x01020304);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT32_MAX);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT32_MIN);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, 0x0102030405060708);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT64_MAX);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT64_MIN);

        /*
         * expected failure is that we cannot decode INT128 values larger than INT64
         */
        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, 0);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT64_MAX);

        ATF_REQUIRE_EQ(sdp_get_int(&test, &value), false);      /* overflow */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_INT128);

        ATF_REQUIRE(sdp_get_int(&test, &value));
        ATF_CHECK_EQ(value, INT64_MIN);

        ATF_REQUIRE_EQ(sdp_get_int(&test, &value), false);      /* underflow */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_INT128);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_seq);

ATF_TC_HEAD(check_sdp_get_seq, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_seq results");
}

ATF_TC_BODY(check_sdp_get_seq, tc)
{
        uint8_t data[] = {
                0x35, 0x00,             // seq8(0)
                0x00,                   // nil
                0x36, 0x00, 0x00,       // seq16(0)
                0x37, 0x00, 0x00, 0x00, // seq32(0)
                0x00,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t value;

        /*
         * sdp_get_seq expects a SEQ type
         * advancing test if successful
         */
        ATF_REQUIRE(sdp_get_seq(&test, &value));
        ATF_CHECK_EQ(value.next, value.end);

        ATF_REQUIRE_EQ(sdp_get_seq(&test, &value), false);      /* not seq */
        ATF_REQUIRE(sdp_get_data(&test, &value));               /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_seq(&test, &value));
        ATF_CHECK_EQ(value.next, value.end);

        ATF_REQUIRE(sdp_get_seq(&test, &value));
        ATF_CHECK_EQ(value.next, value.end);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_alt);

ATF_TC_HEAD(check_sdp_get_alt, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_alt results");
}

ATF_TC_BODY(check_sdp_get_alt, tc)
{
        uint8_t data[] = {
                0x3d, 0x00,             // alt8(0)
                0x00,                   // nil
                0x3e, 0x00, 0x00,       // alt16(0)
                0x3f, 0x00, 0x00, 0x00, // alt32(0)
                0x00,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t value;

        /*
         * sdp_get_alt expects a ALT type
         * advancing test if successful
         */
        ATF_REQUIRE(sdp_get_alt(&test, &value));
        ATF_CHECK_EQ(value.next, value.end);

        ATF_REQUIRE_EQ(sdp_get_alt(&test, &value), false);      /* not alt */
        ATF_REQUIRE(sdp_get_data(&test, &value));               /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&value), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_alt(&test, &value));
        ATF_CHECK_EQ(value.next, value.end);

        ATF_REQUIRE(sdp_get_alt(&test, &value));
        ATF_CHECK_EQ(value.next, value.end);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_str);

ATF_TC_HEAD(check_sdp_get_str, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_str results");
}

ATF_TC_BODY(check_sdp_get_str, tc)
{
        uint8_t data[] = {
                0x25, 0x04, 0x53, 0x54, // str8(4)      "STR8"
                0x52, 0x38,
                0x00,                   // nil
                0x26, 0x00, 0x05, 0x53, // str16(5)     "STR16"
                0x54, 0x52, 0x31, 0x36,
                0x27, 0x00, 0x00, 0x00, // str32(5)     "STR32"
                0x05, 0x53, 0x54, 0x52,
                0x33, 0x32,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t nil;
        char *str;
        size_t len;

        /*
         * sdp_get_str expects a STR type
         * advancing test if successful
         */
        ATF_REQUIRE(sdp_get_str(&test, &str, &len));
        ATF_CHECK(len == 4 && strncmp(str, "STR8", 4) == 0);

        ATF_REQUIRE_EQ(sdp_get_str(&test, &str, &len), false);  /* not str */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_str(&test, &str, &len));
        ATF_CHECK(len == 5 && strncmp(str, "STR16", 5) == 0);

        ATF_REQUIRE(sdp_get_str(&test, &str, &len));
        ATF_CHECK(len == 5 && strncmp(str, "STR32", 5) == 0);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TC(check_sdp_get_url);

ATF_TC_HEAD(check_sdp_get_url, tc)
{

        atf_tc_set_md_var(tc, "descr", "Test sdp_get_url results");
}

ATF_TC_BODY(check_sdp_get_url, tc)
{
        uint8_t data[] = {
                0x45, 0x04, 0x55, 0x52, // url8(4)      "URL8"
                0x4c, 0x38,
                0x00,                   // nil
                0x46, 0x00, 0x05, 0x55, // url16(5)     "URL16"
                0x52, 0x4c, 0x31, 0x36,
                0x47, 0x00, 0x00, 0x00, // url32(5)     "URL32"
                0x05, 0x55, 0x52, 0x4c,
                0x33, 0x32,
        };
        sdp_data_t test = { data, data + sizeof(data) };
        sdp_data_t nil;
        char *url;
        size_t len;

        /*
         * sdp_get_url expects a URL type
         * advancing test if successful
         */
        ATF_REQUIRE(sdp_get_url(&test, &url, &len));
        ATF_CHECK(len == 4 && strncmp(url, "URL8", 4) == 0);

        ATF_REQUIRE_EQ(sdp_get_url(&test, &url, &len), false);  /* not url */
        ATF_REQUIRE(sdp_get_data(&test, &nil));                 /* (skip) */
        ATF_CHECK_EQ(sdp_data_type(&nil), SDP_DATA_NIL);

        ATF_REQUIRE(sdp_get_url(&test, &url, &len));
        ATF_CHECK(len == 5 && strncmp(url, "URL16", 5) == 0);

        ATF_REQUIRE(sdp_get_url(&test, &url, &len));
        ATF_CHECK(len == 5 && strncmp(url, "URL32", 5) == 0);

        ATF_CHECK_EQ(test.next, test.end);
}

ATF_TP_ADD_TCS(tp)
{

        ATF_TP_ADD_TC(tp, check_sdp_get_data);
        ATF_TP_ADD_TC(tp, check_sdp_get_attr);
        ATF_TP_ADD_TC(tp, check_sdp_get_uuid);
        ATF_TP_ADD_TC(tp, check_sdp_get_bool);
        ATF_TP_ADD_TC(tp, check_sdp_get_uint);
        ATF_TP_ADD_TC(tp, check_sdp_get_int);
        ATF_TP_ADD_TC(tp, check_sdp_get_seq);
        ATF_TP_ADD_TC(tp, check_sdp_get_alt);
        ATF_TP_ADD_TC(tp, check_sdp_get_str);
        ATF_TP_ADD_TC(tp, check_sdp_get_url);

        return atf_no_error();
}