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Add test program for timing functions.

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This commit is contained in:
Martin Ling 2020-01-20 03:43:49 +00:00
parent 39acdc47db
commit 8073f87d45
2 changed files with 72 additions and 0 deletions
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5
Makefile.am
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@ -53,6 +53,11 @@ nodist_include_HEADERS = libserialport.h
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libserialport.pc
TESTS = test_timing
check_PROGRAMS = test_timing
test_timing_SOURCES = timing.c test_timing.c
test_timing_CFLAGS = $(AM_CFLAGS)
EXTRA_DIST = Doxyfile \
examples/Makefile \
examples/README \

67
test_timing.c Normal file
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@ -0,0 +1,67 @@
#include "config.h"
#include "libserialport.h"
#include "libserialport_internal.h"
#include <assert.h>
#include <unistd.h>
int main(int argc, char *argv[])
{
(void) argc;
(void) argv;
struct time a, b, c;
struct timeval tv;
struct timeout to;
printf("Testing arithmetic\n");
time_set_ms(&a, 10050);
time_set_ms(&b, 100);
assert(time_greater(&a, &b));
assert(!time_greater(&b, &a));
time_add(&a, &b, &c);
assert(time_as_ms(&c) == 10150);
time_sub(&a, &b, &c);
assert(time_as_ms(&c) == 9950);
time_as_timeval(&a, &tv);
assert(tv.tv_sec == 10);
assert(tv.tv_usec == 50000);
time_get(&a);
printf("Sleeping for 1s\n");
sleep(1);
time_get(&b);
time_sub(&b, &a, &c);
printf("Measured: %ums\n", time_as_ms(&c));
assert(time_as_ms(&c) >= 999);
assert(time_as_ms(&c) <= 1001);
printf("Starting 3s timeout\n");
timeout_start(&to, 3000);
printf("Time to wait: %dms\n", timeout_remaining_ms(&to));
printf("Sleeping for 1s\n");
sleep(1);
timeout_update(&to);
assert(!timeout_check(&to));
printf("Sleeping for 1s\n");
sleep(1);
timeout_update(&to);
assert(!timeout_check(&to));
printf("Remaining: %ums\n", timeout_remaining_ms(&to));
printf("Sleeping for 1s\n");
sleep(1);
timeout_update(&to);
assert(timeout_check(&to));
printf("Timeout expired\n");
printf("Starting 2s timeout\n");
timeout_start(&to, 2000);
printf("Limiting steps to 1s\n");
timeout_limit(&to, 1000);
printf("Time to wait: %ums\n", timeout_remaining_ms(&to));
printf("Sleeping for 1s\n");
sleep(1);
timeout_update(&to);
assert(!timeout_check(&to));
printf("Remaining: %ums\n", timeout_remaining_ms(&to));
printf("Sleeping for 1s\n");
sleep(1);
timeout_update(&to);
assert(timeout_check(&to));
printf("Timeout expired\n");
return 0;
}