test CheckVoltage

test/test.c

@@ -23,6 +23,7 @@ int main() {
       (TestCase){"test_check_timeout", test_check_timeout},
       (TestCase){"test_evse_read", test_evse_read},
       (TestCase){"test_check_start_condition", test_check_start_condition},
+      (TestCase){"test_check_voltage", test_check_voltage},
       // Example:
       //(TestCase){"Your tests name", function_name_without_brackets}
       //...

test/test_logic.h

@@ -129,3 +129,19 @@ void test_check_start_condition()
   res = CheckStartCondition();
   assert(!res);
 }
+
+void test_check_voltage(){
+  bool res;
+  Param::SetInt(Param::udc, 400);
+  Param::SetInt(Param::udclim, 390);
+
+  // tolerate up to ten one off spikes
+  res = CheckVoltage();
+  assert(!res);
+
+  // drop out if received more than ten 
+  for(int i =0; i < 15;i++){
+    res = CheckVoltage();
+  }
+  assert(res);
+}