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srsRAN_4G/lib/test/upper/rlc_am_control_test.cc

101 lines
2.8 KiB
C++

/**
* Copyright 2013-2021 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsRAN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include "srsran/common/test_common.h"
#include "srsran/upper/rlc_am_lte.h"
#include <iostream>
// Simple status PDU
int simple_status_pdu_test1()
{
uint8_t pdu1[] = {0x00, 0x78};
uint32_t PDU1_LEN = 2;
srsran::rlc_status_pdu_t s1;
srsran::byte_buffer_t b1, b2;
memcpy(b1.msg, &pdu1[0], PDU1_LEN);
b1.N_bytes = PDU1_LEN;
rlc_am_read_status_pdu(&b1, &s1);
TESTASSERT(s1.ack_sn == 30);
TESTASSERT(s1.N_nack == 0);
rlc_am_write_status_pdu(&s1, &b2);
TESTASSERT(b2.N_bytes == PDU1_LEN);
for (uint32_t i = 0; i < b2.N_bytes; i++) {
TESTASSERT(b2.msg[i] == b1.msg[i]);
}
TESTASSERT(rlc_am_is_valid_status_pdu(s1));
return SRSRAN_SUCCESS;
}
// Status PDU with 4 NACKs
int status_pdu_with_nacks_test1()
{
uint8_t pdu2[] = {0x00, 0x22, 0x00, 0x40, 0x0C, 0x01, 0xC0, 0x20};
uint32_t PDU2_LEN = 8;
srsran::rlc_status_pdu_t s2;
srsran::byte_buffer_t b1, b2;
memcpy(b1.msg, &pdu2[0], PDU2_LEN);
b1.N_bytes = PDU2_LEN;
rlc_am_read_status_pdu(&b1, &s2);
TESTASSERT(s2.ack_sn == 8);
TESTASSERT(s2.N_nack == 4);
TESTASSERT(s2.nacks[0].nack_sn == 0);
TESTASSERT(s2.nacks[1].nack_sn == 1);
TESTASSERT(s2.nacks[2].nack_sn == 3);
TESTASSERT(s2.nacks[3].nack_sn == 4);
rlc_am_write_status_pdu(&s2, &b2);
TESTASSERT(b2.N_bytes == PDU2_LEN);
for (uint32_t i = 0; i < b2.N_bytes; i++) {
TESTASSERT(b2.msg[i] == b1.msg[i]);
}
TESTASSERT(rlc_am_is_valid_status_pdu(s2));
return SRSRAN_SUCCESS;
}
int malformed_status_pdu_test()
{
uint8_t pdu[] = {0x0b, 0x77, 0x6d, 0xd6, 0xe5, 0x6f, 0x56, 0xf8};
srsran::rlc_status_pdu_t s1;
srsran::byte_buffer_t b1, b2;
memcpy(b1.msg, pdu, sizeof(pdu));
b1.N_bytes = sizeof(pdu);
rlc_am_read_status_pdu(&b1, &s1);
TESTASSERT(rlc_am_is_valid_status_pdu(s1) == false);
return SRSRAN_SUCCESS;
}
int main(int argc, char** argv)
{
srslog::init();
TESTASSERT(simple_status_pdu_test1() == SRSRAN_SUCCESS);
TESTASSERT(status_pdu_with_nacks_test1() == SRSRAN_SUCCESS);
TESTASSERT(malformed_status_pdu_test() == SRSRAN_SUCCESS);
return SRSRAN_SUCCESS;
}