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//
// Copyright 2016 Garrett D'Amore <garrett@damore.org>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include "convey.h"
#include "nng.h"
#include "core/nng_impl.h"
#ifndef _WIN32
#include <sys/time.h>
#endif
uint64_t
getms(void)
{
#ifdef _WIN32
return (GetTickCount64()) ;
#else
static time_t epoch;
struct timeval tv;
if (epoch == 0) {
epoch = time(NULL);
}
gettimeofday(&tv, NULL);
if (tv.tv_sec < epoch) {
// Broken clock.
// This will force all other timing tests to fail
return (0);
}
tv.tv_sec -= epoch;
return (((uint64_t)(tv.tv_sec ) * 1000) + (tv.tv_usec / 1000));
#endif
}
// Add is for testing threads.
void
add(void *arg)
{
*(int *)arg += 1;
}
// Notify tests for verifying condvars.
struct notifyarg {
int did;
int when;
nni_mtx mx;
nni_cv cv;
};
void
notifyafter(void *arg)
{
struct notifyarg *na = arg;
nni_usleep(na->when);
nni_mtx_lock(&na->mx);
na->did = 1;
nni_cv_wake(&na->cv);
nni_mtx_unlock(&na->mx);
}
int
nop(void)
{
return (0);
}
Main({
nni_init();
Test("Platform Operations", {
// This is required for anything else to work
Convey("The clock works", {
uint64_t now = getms();
Convey("usleep works", {
nni_usleep(100000);
So((getms() - now) >= 100); // cannot be *shorter*!!
So((getms() - now) < 150); // crummy clock resolution?
})
Convey("times work", {
uint64_t msend;
int usdelta;
int msdelta;
nni_time usend;
nni_time usnow = nni_clock();
nni_usleep(200000);
usend = nni_clock();
msend = getms();
So(usend > usnow);
So(msend > now);
usdelta = (int)((usend - usnow) / 1000);
msdelta = (int)((msend - now));
So(usdelta >= 200);
So(usdelta < 220);
So(abs(msdelta - usdelta) < 20);
})
})
Convey("Mutexes work", {
static nni_mtx mx;
int rv;
rv = nni_mtx_init(&mx);
So(rv == 0);
Convey("We can lock a mutex", {
nni_mtx_lock(&mx);
So(1);
Convey("And we can unlock it", {
nni_mtx_unlock(&mx);
So(1);
Convey("And then lock it again", {
nni_mtx_lock(&mx);
So(1);
nni_mtx_unlock(&mx);
So(1);
})
})
})
Convey("We can finalize it", {
nni_mtx_fini(&mx);
})
})
Convey("Threads work", {
static nni_thr thr;
int val = 0;
int rv;
Convey("We can create threads", {
rv = nni_thr_init(&thr, add, &val);
So(rv == 0);
nni_thr_run(&thr);
Reset({
nni_thr_fini(&thr);
})
Convey("It ran", {
nni_usleep(50000); // for context switch
So(val == 1);
})
})
})
Convey("Condition variables work", {
static struct notifyarg arg;
static nni_thr thr;
So(nni_mtx_init(&arg.mx) == 0);
So(nni_cv_init(&arg.cv, &arg.mx) == 0);
So(nni_thr_init(&thr, notifyafter, &arg) == 0);
Reset({
nni_cv_fini(&arg.cv);
nni_mtx_fini(&arg.mx);
nni_thr_fini(&thr);
});
Convey("Notification works", {
arg.did = 0;
arg.when = 10000;
nni_thr_run(&thr);
nni_mtx_lock(&arg.mx);
if (!arg.did) {
nni_cv_wait(&arg.cv);
}
nni_mtx_unlock(&arg.mx);
nni_thr_wait(&thr);
So(arg.did == 1);
})
Convey("Timeout works", {
arg.did = 0;
arg.when = 200000;
nni_thr_run(&thr);
nni_mtx_lock(&arg.mx);
if (!arg.did) {
nni_cv_until(&arg.cv, nni_clock() + 10000);
}
So(arg.did == 0);
nni_mtx_unlock(&arg.mx);
nni_thr_wait(&thr);
})
Convey("Not running works", {
arg.did = 0;
arg.when = 1;
nni_mtx_lock(&arg.mx);
if (!arg.did) {
nni_cv_until(&arg.cv, nni_clock() + 10000);
}
So(arg.did == 0);
nni_mtx_unlock(&arg.mx);
})
})
})
nni_fini();
})
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