From: Martin Ling <redacted>
Date: Mon, 20 Jan 2020 03:43:49 +0000 (+0000)
Subject: Add test program for timing functions.
X-Git-Tag: libserialport-0.1.2~61
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=8073f87d45ee9dab4789ede78454df9dd2a65a0d;p=libserialport.git

Add test program for timing functions.
---

diff --git a/Makefile.am b/Makefile.am
index a9aca6c..10493de 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -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 \
diff --git a/test_timing.c b/test_timing.c
new file mode 100644
index 0000000..c08badb
--- /dev/null
+++ b/test_timing.c
@@ -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;
+}