improved base and added PP defines KERNEL_UPSTREAM TESTING DEBUG

um/test/math_module.cpp

@@ -0,0 +1,24 @@
+#include "math_module.h"
+
+MathModule::MathModule() {
+    // Constructor, if any initialization is needed
+}
+
+int MathModule::add(int a, int b) {
+    return a + b;
+}
+
+int MathModule::subtract(int a, int b) {
+    return a - b;
+}
+
+int MathModule::multiply(int a, int b) {
+    return a * b;
+}
+
+double MathModule::divide(double a, double b) {
+    if (b == 0) {
+        throw "Division by zero is not allowed.";
+    }
+    return a / b;
+}