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TESTS: quic: add unit-tests for QUIC TX part

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Define a new "quic_tx" unit-test which is used to test QUIC TX module.
For the moment, a single test is performed on qc_do_build_pkt(). It
checks that PADDING is correctly added for HP sampling in case of a
small packet.
This commit is contained in:
Amaury Denoyelle 2025-09-04 14:53:03 +02:00
parent fb8c6e2030
commit c20c71a079
2 changed files with 60 additions and 0 deletions
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59
src/quic_tx.c
View File

@ -2231,6 +2231,65 @@ static struct quic_tx_packet *qc_build_pkt(unsigned char **pos,
TRACE_DEVEL("leaving on error", QUIC_EV_CONN_TXPKT, qc); TRACE_DEVEL("leaving on error", QUIC_EV_CONN_TXPKT, qc);
return NULL; return NULL;
} }
int quic_tx_unittest(int argc, char **argv)
{
struct quic_conn qc;
struct quic_cc_path path;
struct quic_pktns pktns;
struct quic_enc_level qel;
struct quic_tx_packet pkt;
unsigned char area[1024];
unsigned char *end = area + 1024;
unsigned char *buf_pn;
size_t pn_len;
struct list frms = LIST_HEAD_INIT(frms);
struct quic_frame frm;
/* Minimal quic_conn init and linked elements to be able to use
* qc_do_build_pkt() safely.
*/
qc.dcid.len = 8;
qc.scid.len = 8;
qc.path = &path;
path.prep_in_flight = 0;
path.cwnd = 16384;
qel.pktns = &pktns;
pktns.rx.largest_acked_pn = 0;
pktns.tx.pto_probe = 0;
pktns.flags = 0;
/* short header packet */
pkt.type = QUIC_PACKET_TYPE_SHORT;
LIST_INIT(&pkt.frms);
/* payload frames content */
frm.type = QUIC_FT_MAX_STREAMS_BIDI;
frm.max_streams_bidi.max_streams = 4;
LIST_APPEND(&frms, &frm.list);
/* Built a small packet with a single MAX_STREAMS frame. Padding must
* be added so that PN decoding can be performed by the peer.
*/
qc_do_build_pkt(area, end, 0, &pkt, 0, &pn_len, &buf_pn,
0, 0, 0, 1,
&qel, &qc, NULL, &frms);
/* Ensure padding has been added to packet.
* packet length = 1 (short hdlen) + 8 (DCID len) + 1 (PN len) + 3 (payload)
* payload = 2 (MAX_STREAMS frm) + 1 (PADDING)
*/
BUG_ON(pkt.len != 13 || pn_len != 1);
return 0;
}
REGISTER_UNITTEST("quic_tx", quic_tx_unittest);
/* /*
* Local variables: * Local variables:
* c-indent-level: 8 * c-indent-level: 8

1
tests/unit/quic/quic.sh
View File

@ -6,6 +6,7 @@ check() {
run() { run() {
${HAPROXY_PROGRAM} -U quic_enc ${HAPROXY_PROGRAM} -U quic_enc
${HAPROXY_PROGRAM} -U quic_tx
} }
case "$1" in case "$1" in