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Rename test/unittests to tests/ and test/ to bin/
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Dmitri Tikhonov
parent
ecfd688117
commit
9a690580c9
92 changed files with 38 additions and 39 deletions
342
tests/test_packno_len.c
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342
tests/test_packno_len.c
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/* Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc. See LICENSE. */
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/queue.h>
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#ifndef WIN32
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#include <sys/time.h>
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#endif
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#include "lsquic.h"
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#include "lsquic_types.h"
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#include "lsquic_packet_common.h"
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#include "lsquic_parse.h"
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static const struct parse_funcs *const pf = select_pf_by_ver(LSQVER_043);
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struct packno_bits_test {
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int pbt_lineno;
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/* Inputs: */
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lsquic_packno_t pbt_packno,
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pbt_least_unacked;
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uint64_t pbt_n_in_flight;
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/* Output: */
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enum packno_bits pbt_packno_bits;
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};
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static const struct packno_bits_test pb_tests[] = {
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 1,
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.pbt_least_unacked = 0,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_1,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 101,
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.pbt_least_unacked = 100,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_1,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 10001,
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.pbt_least_unacked = 10000,
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.pbt_n_in_flight = 1 << 6,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_1,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 10001,
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.pbt_least_unacked = 10000,
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.pbt_n_in_flight = (1 << 6) + 1,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1 << 16) + 1,
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.pbt_least_unacked = 1 << 16,
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.pbt_n_in_flight = 1 << 14,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1 << 16) + 1,
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.pbt_least_unacked = 1 << 16,
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.pbt_n_in_flight = (1 << 14) + 1,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_4,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1ULL << 33) + 1,
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.pbt_least_unacked = 1ULL << 33,
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.pbt_n_in_flight = 1ULL << 30,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_4,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1ULL << 33) + 1,
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.pbt_least_unacked = 1ULL << 33,
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.pbt_n_in_flight = (1ULL << 30) + 1,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_6,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 100,
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 3,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 100,
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 99,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 1 + (1 << 6),
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_1,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 1 + (1 << 6) + 1,
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1 << 20) + (1 << 14),
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.pbt_least_unacked = 1 << 20,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1 << 20) + (1 << 14) + 1,
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.pbt_least_unacked = 1 << 20,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_4,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1 << 20) + (1ULL << 30),
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.pbt_least_unacked = 1 << 20,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_4,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = (1 << 20) + (1ULL << 30) + 1,
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.pbt_least_unacked = 1 << 20,
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.pbt_n_in_flight = 0,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_6,
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},
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/* Tests from Chrome: */
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 65,
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.pbt_least_unacked = 2,
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.pbt_n_in_flight = 7,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_1,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 64 * 256 - 1,
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.pbt_least_unacked = 2,
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.pbt_n_in_flight = 7,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 64 * 256 * 256 - 1,
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.pbt_least_unacked = 2,
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.pbt_n_in_flight = 7,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_4,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 64ULL * 256 * 256 * 256 * 256 - 1,
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.pbt_least_unacked = 2,
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.pbt_n_in_flight = 7,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_6,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 2,
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 7,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_1,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 2,
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 1896,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_2,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 2,
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 48545,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_4,
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},
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{ .pbt_lineno = __LINE__,
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.pbt_packno = 2,
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.pbt_least_unacked = 1,
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.pbt_n_in_flight = 3181457256ULL,
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.pbt_packno_bits = GQUIC_PACKNO_LEN_6,
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},
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};
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static void
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run_pbt (int i)
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{
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const struct parse_funcs *pf = select_pf_by_ver(LSQVER_043);
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const struct packno_bits_test *const pbt = &pb_tests[i];
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enum packno_bits packno_bits = pf->pf_calc_packno_bits(pbt->pbt_packno,
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pbt->pbt_least_unacked, pbt->pbt_n_in_flight);
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assert(packno_bits == pbt->pbt_packno_bits);
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unsigned packet_len = pf->pf_packno_bits2len(packno_bits);
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/* Now see if we can restore it back: */
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lsquic_packno_t cur_packno = pbt->pbt_packno &
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((1ULL << (packet_len << 3)) - 1);
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lsquic_packno_t orig_packno = lsquic_restore_packno(cur_packno, packet_len,
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pbt->pbt_least_unacked);
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assert(orig_packno == pbt->pbt_packno);
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}
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struct lsquic_restore_packno_test {
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int rpt_lineno;
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/* Input */
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enum packno_bits rpt_packno_bits;
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lsquic_packno_t rpt_cur_packno;
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lsquic_packno_t rpt_max_packno;
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/* Output */
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lsquic_packno_t rpt_orig_packno;
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};
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static const struct lsquic_restore_packno_test rp_tests[] =
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{
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{ .rpt_lineno = __LINE__,
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.rpt_max_packno = 0,
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.rpt_cur_packno = 1,
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.rpt_packno_bits = GQUIC_PACKNO_LEN_1,
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.rpt_orig_packno = 1,
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},
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};
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static void
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run_rpt (int i)
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{
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const struct lsquic_restore_packno_test *const rpt = &rp_tests[i];
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unsigned packet_len = pf->pf_packno_bits2len(rpt->rpt_packno_bits);
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lsquic_packno_t orig_packno = lsquic_restore_packno(rpt->rpt_cur_packno,
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packet_len, rpt->rpt_max_packno);
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assert(orig_packno == rpt->rpt_orig_packno);
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}
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static void
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test_restore (enum packno_bits bits)
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{
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unsigned len, n;
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enum { OP_PLUS, OP_MINUS, N_OPS } op;
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uint64_t epoch, epoch_delta;
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lsquic_packno_t orig_packno, cur_packno, restored_packno;
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#ifdef WIN32
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orig_packno = 0;
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#endif
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len = pf->pf_packno_bits2len(bits);
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epoch_delta = 1ULL << (len << 3);
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epoch = epoch_delta * 11 /* Just some number */;
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/* Test current epoch: */
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for (op = 0; op < N_OPS; ++op)
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for (n = 0; n < 5; ++n)
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{
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/* Test at the ends of the epoch */
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if (op == OP_MINUS)
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orig_packno = epoch - epoch_delta / 2 + n;
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else if (op == OP_PLUS)
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orig_packno = epoch + epoch_delta / 2 - n - 1;
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else
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assert(0);
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cur_packno = orig_packno & (epoch_delta - 1);
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restored_packno = lsquic_restore_packno(cur_packno, len, epoch);
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assert(orig_packno == restored_packno);
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/* Test in the middle of the epoch */
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if (op == OP_MINUS)
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orig_packno = epoch - n;
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else
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orig_packno = epoch + n;
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cur_packno = orig_packno & (epoch_delta - 1);
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restored_packno = lsquic_restore_packno(cur_packno, len, epoch);
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assert(orig_packno == restored_packno);
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}
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/* Test previous epoch (max is to the left) */
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for (n = 0; n < 5; ++n)
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{
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/* Test at the end of the epoch */
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orig_packno = epoch + epoch_delta / 2 - n - 1;
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cur_packno = orig_packno & (epoch_delta - 1);
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restored_packno = lsquic_restore_packno(cur_packno, len, epoch - epoch_delta * 3 / 4);
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assert(orig_packno == restored_packno + epoch_delta);
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/* Test in the middle of the epoch */
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orig_packno = epoch + 2 - n;
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cur_packno = orig_packno & (epoch_delta - 1);
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restored_packno = lsquic_restore_packno(cur_packno, len, epoch - epoch_delta * 3 / 4);
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assert(orig_packno == restored_packno + epoch_delta);
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}
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/* Test previous epoch (max is to the right) */
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for (n = 0; n < 5; ++n)
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{
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/* Test at the end of the epoch */
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orig_packno = epoch - epoch_delta / 2 + n;
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cur_packno = orig_packno & (epoch_delta - 1);
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restored_packno = lsquic_restore_packno(cur_packno, len, epoch + epoch_delta * 3 / 4);
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assert(orig_packno == restored_packno - epoch_delta);
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/* Test in the middle of the epoch */
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orig_packno = epoch + 2 - n;
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cur_packno = orig_packno & (epoch_delta - 1);
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restored_packno = lsquic_restore_packno(cur_packno, len, epoch + epoch_delta * 3 / 4);
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assert(orig_packno == restored_packno - epoch_delta);
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}
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}
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int
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main (void)
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{
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unsigned i;
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for (i = 0; i < sizeof(pb_tests) / sizeof(pb_tests[0]); ++i)
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run_pbt(i);
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for (i = 0; i < sizeof(rp_tests) / sizeof(rp_tests[0]); ++i)
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run_rpt(i);
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test_restore(GQUIC_PACKNO_LEN_1);
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test_restore(GQUIC_PACKNO_LEN_2);
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test_restore(GQUIC_PACKNO_LEN_4);
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test_restore(GQUIC_PACKNO_LEN_6);
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return 0;
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}
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