unikernel/duniverse/dune_/test/blackbox-tests/test-cases/exec-watch/exec-watch-no-passive.t

@@ -0,0 +1,19 @@
+Trying to run exec in passive watch mode produces and error.
+
+  $ cat >dune-project <<EOF
+  > (lang dune 3.6)
+  > (package (name foo))
+  > EOF
+
+  $ cat >dune <<EOF
+  > (executable
+  >  (public_name foo))
+  > EOF
+
+  $ cat >foo.ml <<EOF
+  > let () = print_endline "foo"
+  > EOF
+
+  $ dune exec --passive-watch-mode ./foo.exe
+  Error: passive watch mode is unsupported by exec
+  [1]