unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/dune

@@ -0,0 +1,13 @@
+(executable
+ (name foo)
+ (libraries bar impl2)
+ (modules foo))
+
+(library
+ (name bar)
+ (libraries impl1)
+ (modules))
+
+(alias
+ (name default)
+ (action (run ./foo.exe)))

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/dune-project

@@ -0,0 +1 @@
+(lang dune 1.7)

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/foo.ml

@@ -0,0 +1 @@
+let () = print_endline "should not run"

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/impl1/dune

@@ -0,0 +1,3 @@
+(library
+ (name impl1)
+ (implements vlib))

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/impl1/vlib.ml

@@ -0,0 +1 @@
+let run () = print_endline "impl1"

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/impl2/dune

@@ -0,0 +1,3 @@
+(library
+ (name impl2)
+ (implements vlib))

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/impl2/vlib.ml

@@ -0,0 +1 @@
+let run () = print_endline "impl1"

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/run.t

@@ -0,0 +1,12 @@
+Executable that tries to use two implementations for the same virtual lib
+  $ dune build
+  Error: Conflicting implementations for virtual library "vlib" in
+  _build/default/vlib:
+  - "impl1" in _build/default/impl1
+    -> required by library "bar" in _build/default
+  - "impl2" in _build/default/impl2
+  This cannot work.
+  -> required by executable foo in dune:2
+  -> required by _build/default/foo.exe
+  -> required by alias default in dune:11
+  [1]

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/vlib/dune

@@ -0,0 +1,3 @@
+(library
+ (name vlib)
+ (virtual_modules vlib))

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/virtual-libraries/double-implementation.t/vlib/vlib.mli

@@ -0,0 +1 @@
+val run : unit -> unit