unikernel/duniverse/dune_/test/blackbox-tests/test-cases/include-subdirs/stop-at-project-root.t

@@ -0,0 +1,39 @@
+include_subdirs should not recurse past project root
+
+  $ cat >dune-project <<EOF
+  > (lang dune 3.1)
+  > EOF
+
+  $ cat >dune <<EOF
+  > (include_subdirs unqualified)
+  > (executable
+  >  (name foo))
+  > EOF
+
+  $ cat >foo.ml <<EOF
+  > print_endline Bar.v;;
+  > EOF
+
+  $ mkdir subproj
+  $ cat >subproj/bar.ml <<EOF
+  > let v = "unusable"
+  > EOF
+
+Works if [subproj] is just a separate directory and not a separate project.
+
+  $ dune exec ./foo.exe
+  unusable
+
+  $ cat >subproj/dune-project <<EOF
+  > (lang dune 3.1)
+  > EOF
+
+Doesn't work with when we make [subproj] a separate project with a dune-project
+file, since include_subdirs is stopped.
+
+  $ dune exec ./foo.exe
+  File "foo.ml", line 1, characters 14-19:
+  1 | print_endline Bar.v;;
+                    ^^^^^
+  Error: Unbound module Bar
+  [1]