[C++20 Modules] Add tests for headerunits

1 files changed, 10 insertions, 0 deletions

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);
+    }
+}