litespeed-quic/test/unittests/test_rtt.c

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2017-09-22 21:00:03 +00:00
/* Copyright (c) 2017 LiteSpeed Technologies Inc. See LICENSE. */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include "lsquic_int_types.h"
#include "lsquic_rtt.h"
int
main (void)
{
struct lsquic_rtt_stats stats;
lsquic_time_t sent, received;
#define RESET() memset(&stats, 0, sizeof(stats))
#define TV(sec, usec) (sec * 1000000 + usec)
RESET();
sent = TV(2, 0), received = TV(3, 0);
lsquic_rtt_stats_update(&stats, received - sent, 0);
assert(("Initial RTT checks out",
1000000 == lsquic_rtt_stats_get_srtt(&stats)));
sent = TV(2, 500000), received = TV(3, 0);
lsquic_rtt_stats_update(&stats, received - sent, 0);
assert(("Second RTT checks out",
937500 == lsquic_rtt_stats_get_srtt(&stats)));
return 0;
}