Start implementing unit tests for timers

test/unit/core/test_timers.c

@@ -0,0 +1,79 @@
+#include "test_timers.h"
+
+#include "lwip/def.h"
+#include "lwip/timeouts.h"
+#include "arch/sys_arch.h"
+
+/* Setups/teardown functions */
+
+static struct sys_timeo* old_list_head;
+
+static void
+timers_setup(void)
+{
+  struct sys_timeo** list_head = lwip_sys_timers_get_next_timout();
+  old_list_head = *list_head;
+  *list_head = NULL;
+}
+
+static void
+timers_teardown(void)
+{
+  struct sys_timeo** list_head = lwip_sys_timers_get_next_timout();
+  *list_head = old_list_head;
+  lwip_sys_now = 0;
+}
+
+static void dummy_handler(void* arg)
+{
+  LWIP_UNUSED_ARG(arg);
+}
+
+static void test_timers(void)
+{
+  struct sys_timeo** list_head = lwip_sys_timers_get_next_timout();
+
+  lwip_sys_now = 100;
+
+  sys_timeout(10, dummy_handler, NULL);
+  fail_unless(sys_timeouts_sleeptime() == 10);
+  sys_timeout(20, dummy_handler, NULL);
+  fail_unless(sys_timeouts_sleeptime() == 10);
+  sys_timeout( 5, dummy_handler, NULL);
+  fail_unless(sys_timeouts_sleeptime() == 5);
+
+  sys_untimeout(dummy_handler, NULL);
+  sys_untimeout(dummy_handler, NULL);
+  sys_untimeout(dummy_handler, NULL);
+
+  lwip_sys_now = 0xfffffff0;
+
+  sys_timeout(10, dummy_handler, NULL);
+  fail_unless(sys_timeouts_sleeptime() == 10);
+  sys_timeout(20, dummy_handler, NULL);
+  fail_unless(sys_timeouts_sleeptime() == 10);
+  sys_timeout( 5, dummy_handler, NULL);
+  fail_unless(sys_timeouts_sleeptime() == 5);
+
+  sys_untimeout(dummy_handler, NULL);
+  sys_untimeout(dummy_handler, NULL);
+  sys_untimeout(dummy_handler, NULL);
+}
+
+START_TEST(test_lwip_timers)
+{
+  LWIP_UNUSED_ARG(_i);
+
+  test_timers();
+}
+END_TEST
+
+/** Create the suite including all tests for this module */
+Suite *
+timers_suite(void)
+{
+  testfunc tests[] = {
+    TESTFUNC(test_lwip_timers)
+  };
+  return create_suite("TIMERS", tests, LWIP_ARRAYSIZE(tests), timers_setup, timers_teardown);
+}

test/unit/core/test_timers.h

@@ -0,0 +1,8 @@
+#ifndef LWIP_HDR_TEST_TIMERS_H
+#define LWIP_HDR_TEST_TIMERS_H
+
+#include "../lwip_check.h"
+
+Suite *timers_suite(void);
+
+#endif