diff --git a/math/testfile.cpp b/math/testfile.cpp
new file mode 100644
index 00000000000..2828f0f47bb
--- /dev/null
+++ b/math/testfile.cpp
@@ -0,0 +1,11 @@
+#include <undocumented-header>
+
+int func_without_documentation(int x, int y) {
+    return x + y;
+}
+
+int main() {
+    int x = 20;
+    int y = 30;
+    
+}
\ No newline at end of file