application exit error handing

tests/runtime/simple/main.cpp

@@ -0,0 +1,30 @@
+#include "tests.h"
+#include <vx_print.h>
+
+int main() {
+	int errors = 0;
+
+	vx_printf("Simple Test\n");
+
+	errors += test_global_memory();
+
+	errors += test_stack_memory();
+
+	errors += test_shared_memory();
+
+	errors += test_tmc();
+
+	errors += test_divergence();
+
+	errors += test_wsapwn();
+
+	errors += test_spawn_tasks();
+
+	if (0 == errors) {	
+		vx_printf("Passed!\n");
+	} else {
+		vx_printf("Failed!\n");
+	}
+	
+	return errors;
+}