3 files changed, 22 insertions, 0 deletions
diff --git a/tests/projects/c++/modules/user_headerunit/src/header.hpp b/tests/projects/c++/modules/user_headerunit/src/header.hpp
new file mode 100644
index 000000000..15e522e15
--- /dev/null
+++ b/tests/projects/c++/modules/user_headerunit/src/header.hpp
@@ -0,0 +1,5 @@
+#pragma once
+
+namespace hello {
+    extern constexpr auto FOO = "Hello";
+}
diff --git a/tests/projects/c++/modules/user_headerunit/src/hello.mpp b/tests/projects/c++/modules/user_headerunit/src/hello.mpp
new file mode 100644
index 000000000..5b2f434ad
--- /dev/null
+++ b/tests/projects/c++/modules/user_headerunit/src/hello.mpp
@@ -0,0 +1,10 @@
+module;
+#include <cstdio>
+
+export module hello;
+
+export namespace hello {
+    void say(const char *arg) {
+        printf("%s\n", arg);
+    }
+}
diff --git a/tests/projects/c++/modules/user_headerunit/src/main.cpp b/tests/projects/c++/modules/user_headerunit/src/main.cpp
new file mode 100644
index 000000000..ad786367e
--- /dev/null
+++ b/tests/projects/c++/modules/user_headerunit/src/main.cpp
@@ -0,0 +1,7 @@
+import hello;
+import "header.hpp";
+
+int main() {
+    hello::say(hello::FOO);
+    return 0;
+}