diff --git a/lib/test/upper/rlc_am_test.cc b/lib/test/upper/rlc_am_test.cc index bb6628279..8d1b653df 100644 --- a/lib/test/upper/rlc_am_test.cc +++ b/lib/test/upper/rlc_am_test.cc @@ -316,7 +316,7 @@ bool concat_test() return 0; } -bool segment_test() +bool segment_test(bool in_seq_rx) { srslte::log_filter log1("RLC_AM_1"); srslte::log_filter log2("RLC_AM_2"); @@ -378,23 +378,34 @@ bool segment_test() assert(0 == rlc1.get_buffer_state()); // Write PDUs into RLC2 - for(int i=0;i= 0; --i) { + rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes); + } } - assert(2 == rlc2.get_buffer_state()); + // Receiver will only generate status PDU if they arrive in order + // If SN=7 arrives first, but the Rx expects SN=0, status reporting will be delayed, see TS 36.322 v10 Section 5.2.3 + if (in_seq_rx) { + assert(2 == rlc2.get_buffer_state()); - // Read status PDU from RLC2 - byte_buffer_t status_buf; - len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status - status_buf.N_bytes = len; + // Read status PDU from RLC2 + byte_buffer_t status_buf; + len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status + status_buf.N_bytes = len; + + // Write status PDU to RLC1 + rlc1.write_pdu(status_buf.msg, status_buf.N_bytes); + } assert(0 == rlc2.get_buffer_state()); - // Write status PDU to RLC1 - rlc1.write_pdu(status_buf.msg, status_buf.N_bytes); - assert(tester.n_sdus == 5); for(int i=0; icleanup(); - if (segment_test()) { - printf("segment_test failed\n"); + if (segment_test(true)) { + printf("segment_test with in-order PDU reception failed\n"); + exit(-1); + }; + byte_buffer_pool::get_instance()->cleanup(); + + if (segment_test(false)) { + printf("segment_test with out-of-order PDU reception failed\n"); exit(-1); }; byte_buffer_pool::get_instance()->cleanup();