unikernel/duniverse/dune_/test/blackbox-tests/test-cases/melange/virtual-lib-transitive.t

@@ -0,0 +1,47 @@
+Test a case of virtual libraries where libraries depend on the virtual library
+transitively
+
+  $ mkdir -p foo vlib vlib_impl
+  $ cat > dune-project <<EOF
+  > (lang dune 3.13)
+  > (using melange 0.1)
+  > EOF
+  $ cat > foo/dune <<EOF
+  > (library
+  >  (name foo)
+  >  (modes melange)
+  >  (libraries vlib))
+  > EOF
+  $ cat > foo/virt.ml <<EOF
+  > include Vlib.Virt
+  > EOF
+
+  $ cat > vlib/dune <<EOF
+  > (library
+  >  (name vlib)
+  >  (modes melange)
+  >  (virtual_modules virt))
+  > EOF
+  $ cat > vlib/virt.mli <<EOF
+  > type t
+  > EOF
+
+  $ cat > vlib_impl/dune <<EOF
+  > (library
+  >  (name vlib_impl)
+  >  (modes melange)
+  >  (implements vlib))
+  > EOF
+  $ cat > vlib_impl/virt.ml <<EOF
+  > type t = string ref
+  > EOF
+
+  $ cat > dune <<EOF
+  > (melange.emit
+  >  (target js)
+  >  (modules)
+  >  (emit_stdlib false)
+  >  (libraries foo vlib_impl))
+  > EOF
+
+  $ dune build @melange