Harness: Add empty test case detection.

frameworks\utest/source/case.cpp

@@ -70,6 +70,11 @@ Case::get_description() const {
     return description;
 }
 
+bool
+Case::is_empty() const {
+    return !(handler || control_flow_handler || set_up_handler || tear_down_handler);
+}
+
 
 AsyncCase::AsyncCase(const char *description,
                      const case_handler_t handler,

frameworks\utest/source/default_handlers.cpp

@@ -31,6 +31,8 @@ const char* failureToString(failure_t failure)
             return "Unspecified Failure";
         case FAILURE_CASES:
             return "Test Cases Failed";
+        case FAILURE_EMPTY_CASE:
+            return "Test Case is Empty";
         case FAILURE_SETUP:
             return "Setup Failed";
         case FAILURE_TEARDOWN:

frameworks\utest/source/harness.cpp

@@ -165,6 +165,12 @@ void Harness::run_next_case()
         handlers.case_tear_down = defaults.get_handler(case_current->tear_down_handler);
         handlers.case_failure   = defaults.get_handler(case_current->failure_handler);
 
+        if (case_current->is_empty()) {
+            raise_failure(FAILURE_EMPTY_CASE);
+            schedule_next_case();
+            return;
+        }
+
         if (!case_failed && !case_passed) {
             size_t index = test_index_of_case++;
             if (handlers.case_set_up && (handlers.case_set_up(case_current, index) != STATUS_CONTINUE)) {