unikernel/duniverse/dune_/test/blackbox-tests/test-cases/invalid-dune-package.t

@@ -0,0 +1,22 @@
+This test demonstrates the handling of invalid dune-package files
+  $ mkdir -p findlib/baz
+  $ touch findlib/baz/dune-package
+  $ echo "(lang dune 2.0)" > dune-project
+  $ echo 'let () = print_endline "foo"' > foo.ml
+  $ cat >dune <<EOF
+  > (executable (name foo))
+  > (library (name bar) (libraries baz) (modules))
+  > EOF
+  $ OCAMLPATH=$PWD/findlib dune exec ./foo.exe
+  foo
+
+Now we attempt to use an invalid dune-package library:
+  $ cat >dune <<EOF
+  > (executable (name foo) (libraries baz))
+  > EOF
+  $ OCAMLPATH=$PWD/findlib dune exec ./foo.exe
+  File "$TESTCASE_ROOT/findlib/baz/dune-package", line 1, characters 0-0:
+  Error: Invalid first line, expected: (lang <lang> <version>)
+  -> required by _build/default/.foo.eobjs/native/dune__exe__Foo.cmx
+  -> required by _build/default/foo.exe
+  [1]