Draft version of test system

tests/example/example_test.c

@@ -0,0 +1,25 @@
+#include <stdlib.h>
+#include <string.h>
+#include "FreeRTOS.h"
+#include "task.h"
+
+#include "test/test.h"
+
+void test_task(void *pvParameters)
+{
+    // Test will continue even if check is failed
+    TEST_CHECK(2 + 2 == 4, "math doesn't work");
+
+    // Test will end imidiatelly if assertion is failed
+    TEST_ASSERT(strlen("test") == 4, "strlen doesn't work");
+
+    // Finish the test and report the result
+    TEST_FINISH();
+}
+
+void user_init(void)
+{
+    TEST_INIT(5);   // 5 seconds timeout
+
+    xTaskCreate(test_task, (signed char *)"test_task", 256, NULL, 2, NULL);
+}