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pdu: add test case for issue #1649 

testcase checks the correct handling of the remaining PDU space
when a long BSR is added but no space is left in PDU to fit it
This commit is contained in:
Andre Puschmann 2020-08-27 18:46:54 +02:00
parent 6364a4513c
commit 96c911752c
1 changed files with 43 additions and 0 deletions
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43
lib/test/mac/pdu_test.cc
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@ -666,6 +666,48 @@ int mac_sch_pdu_pack_test10()
return SRSLTE_SUCCESS;
}
// Pack test for short MAC PDU, trying to add long BSR but no space left
int mac_sch_pdu_pack_test11()
{
srslte::log_ref mac_log("MAC");
const uint32_t pdu_size = 3;
srslte::sch_pdu pdu(10, srslte::log_ref{"MAC"});
uint8_t tv[pdu_size] = {0x1f, 0x00, 0x00};
byte_buffer_t buffer;
pdu.init_tx(&buffer, pdu_size, true);
TESTASSERT(pdu.rem_size() == pdu_size);
TESTASSERT(pdu.get_pdu_len() == pdu_size);
TESTASSERT(pdu.get_sdu_space() == pdu_size - 1);
TESTASSERT(pdu.get_current_sdu_ptr() == buffer.msg);
// Try to Long BSR CE
uint32_t buff_size[4] = {0, 1000, 5000, 19200000};
TESTASSERT(pdu.new_subh());
TESTASSERT(pdu.get()->set_bsr(buff_size, srslte::ul_sch_lcid::LONG_BSR) == false);
// Adding BSR failed, remove subheader again
pdu.del_subh();
// write PDU
pdu.write_packet(srslte::log_ref{"MAC"});
// compare with tv
TESTASSERT(memcmp(buffer.msg, tv, buffer.N_bytes) == 0);
// log
mac_log->info_hex(buffer.msg, buffer.N_bytes, "MAC PDU (%d B):\n", buffer.N_bytes);
#if HAVE_PCAP
pcap_handle->write_ul_crnti(buffer.msg, buffer.N_bytes, 0x1001, true, 1, 0);
#endif
return SRSLTE_SUCCESS;
}
// Test for checking error cases
int mac_sch_pdu_pack_error_test()
{
@ -861,6 +903,7 @@ int main(int argc, char** argv)
TESTASSERT(mac_sch_pdu_pack_test8() == SRSLTE_SUCCESS);
TESTASSERT(mac_sch_pdu_pack_test9() == SRSLTE_SUCCESS);
TESTASSERT(mac_sch_pdu_pack_test10() == SRSLTE_SUCCESS);
TESTASSERT(mac_sch_pdu_pack_test11() == SRSLTE_SUCCESS);
TESTASSERT(mac_sch_pdu_pack_error_test() == SRSLTE_SUCCESS);