unikernel/duniverse/dune_/test/blackbox-tests/test-cases/wasmoo/submodes.t/dune

@@ -0,0 +1,7 @@
+(executable
+ (name main)
+ (modes js wasm))
+
+(env
+ (js (wasm_of_ocaml (enabled_if false)))
+ (wasm (js_of_ocaml (enabled_if false))))

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/wasmoo/submodes.t/dune-project

@@ -0,0 +1 @@
+(lang dune 3.17)

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/wasmoo/submodes.t/main.ml

@@ -0,0 +1,4 @@
+let () =
+  match Sys.backend_type with
+    Other typ -> print_endline typ
+  | _ -> assert false

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/wasmoo/submodes.t/run.t

@@ -0,0 +1,27 @@
+Building with different combinations of submodes
+
+Compiling to JavaScript
+
+  $ dune build --profile js
+  $ node _build/default/main.bc.js
+  js_of_ocaml
+  $ dune build --profile js main.bc.wasm.js
+  Error: Don't know how to build main.bc.wasm.js
+  [1]
+
+Compiling to Wasm.
+
+  $ dune build --profile wasm
+  $ node _build/default/main.bc.wasm.js
+  wasm_of_ocaml
+  $ dune build --profile wasm main.bc.js
+  Error: Don't know how to build main.bc.js
+  [1]
+
+Compiling to both JS and Wasm.
+
+  $ dune build --profile both
+  $ node _build/default/main.bc.js
+  js_of_ocaml
+  $ node _build/default/main.bc.wasm.js
+  wasm_of_ocaml