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lib,rlc_am_nr: extend unit tests to check buffer state

This commit is contained in:
Robert Falkenberg 2022-04-22 12:32:21 +02:00
parent d66c76b374
commit c16071a3ac
1 changed files with 19 additions and 1 deletions
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20
lib/test/rlc/rlc_am_nr_test.cc
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@ -1492,7 +1492,7 @@ int retx_segment_test(rlc_am_nr_sn_size_t sn_size)
}
uint32_t expected_buffer_state = (header_size + payload_size) * n_sdu_bufs;
TESTASSERT(expected_buffer_state == rlc1.get_buffer_state());
TESTASSERT_EQ(expected_buffer_state, rlc1.get_buffer_state());
constexpr uint32_t so_size = 2;
constexpr uint32_t segment_size = 1;
@ -1502,6 +1502,16 @@ int retx_segment_test(rlc_am_nr_sn_size_t sn_size)
// Read 15 PDUs from RLC1
std::vector<unique_byte_buffer_t> pdu_bufs(n_pdu_bufs);
for (int i = 0; i < n_pdu_bufs; i++) {
// First also test buffer state
uint32_t remaining_total_bytes = (payload_size * n_sdu_bufs) - (i * segment_size);
uint32_t remaining_full_sdus = remaining_total_bytes / payload_size;
uint32_t remaining_seg_bytes = remaining_total_bytes % payload_size;
uint32_t buffer_state_full_sdus = (header_size + payload_size) * remaining_full_sdus;
uint32_t buffer_state_seg_sdu = remaining_seg_bytes == 0 ? 0 : (header_size + so_size + remaining_seg_bytes);
expected_buffer_state = buffer_state_full_sdus + buffer_state_seg_sdu;
TESTASSERT_EQ(expected_buffer_state, rlc1.get_buffer_state());
pdu_bufs[i] = srsran::make_byte_buffer();
if (i == 0 || i == 3 || i == 6 || i == 9 || i == 12) {
// First segment, no SO
@ -1661,6 +1671,14 @@ int retx_segment_test(rlc_am_nr_sn_size_t sn_size)
{
// Re-transmit the 3 lost segments
for (int i = 0; i < 3; i++) {
// First also test buffer state
uint32_t remaining_segments = 3 - i;
expected_buffer_state = remaining_segments * (header_size + so_size + segment_size);
if (i == 0) { // subtract so_size, because in this setup the first retx is a "first_segment" without SO.
expected_buffer_state -= so_size;
}
TESTASSERT_EQ(expected_buffer_state, rlc1.get_buffer_state());
byte_buffer_t retx_buf;
uint32_t len = 0;
if (i == 0) {