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pdcp: adding basic test to check if control PDUs are handled correctly 

use a 3 B long status PDU to check if its dropped from the rx'ing entity
This commit is contained in:
Andre Puschmann 2020-09-28 22:00:18 +02:00
parent 795db30338
commit 58ce9d3959
1 changed files with 43 additions and 6 deletions
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49
lib/test/upper/pdcp_lte_test_rx.cc
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@ -62,14 +62,19 @@ int test_rx(std::vector<pdcp_test_event_t> events,
// Test if the number of RX packets
if (rb_type == srslte::PDCP_RB_IS_DRB) {
TESTASSERT(gw_rx->rx_count == n_sdus_exp);
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
gw_rx->get_last_pdu(sdu_act);
TESTASSERT(compare_two_packets(sdu_exp, sdu_act) == 0);
if (n_sdus_exp > 0) {
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
gw_rx->get_last_pdu(sdu_act);
TESTASSERT(compare_two_packets(sdu_exp, sdu_act) == 0);
}
} else {
TESTASSERT(rrc_rx->rx_count == n_sdus_exp);
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
rrc_rx->get_last_pdu(sdu_act);
TESTASSERT(compare_two_packets(sdu_exp, sdu_act) == 0);
if (n_sdus_exp > 0) {
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
rrc_rx->get_last_pdu(sdu_act);
TESTASSERT(compare_two_packets(sdu_exp, sdu_act) == 0);
}
}
return 0;
}
@ -154,6 +159,36 @@ int test_rx_all(srslte::byte_buffer_pool* pool, srslte::log_ref log)
return SRSLTE_SUCCESS;
}
// Basic test to verify the correct handling of PDCP status PDUs on DRBs
// As long as we don't implement status reporting, the PDU shall be dropped
int test_rx_control_pdu(srslte::byte_buffer_pool* pool, srslte::log_ref log)
{
const uint8_t pdcp_status_report_long[] = {0x0a, 0xc9, 0x3c};
std::vector<pdcp_test_event_t> pdu_vec;
pdcp_test_event_t event;
event.pkt = allocate_unique_buffer(*pool);
memcpy(event.pkt->msg, pdcp_status_report_long, sizeof(pdcp_status_report_long));
event.pkt->N_bytes = sizeof(pdcp_status_report_long);
pdu_vec.push_back(std::move(event));
srslte::unique_byte_buffer_t tst_sdu1 = allocate_unique_buffer(*pool);
srslte::pdcp_lte_state_t test_init_state = {
.next_pdcp_tx_sn = 0, .tx_hfn = 0, .rx_hfn = 0, .next_pdcp_rx_sn = 32, .last_submitted_pdcp_rx_sn = 31};
TESTASSERT(test_rx(std::move(pdu_vec),
test_init_state,
srslte::PDCP_SN_LEN_12,
srslte::PDCP_RB_IS_DRB,
0,
tst_sdu1,
pool,
log) == 0);
return SRSLTE_SUCCESS;
}
// Setup all tests
int run_all_tests(srslte::byte_buffer_pool* pool)
{
@ -163,6 +198,8 @@ int run_all_tests(srslte::byte_buffer_pool* pool)
log->set_hex_limit(128);
TESTASSERT(test_rx_all(pool, log) == 0);
TESTASSERT(test_rx_control_pdu(pool, log) == 0);
return 0;
}