unikernel/duniverse/dune_/test/blackbox-tests/test-cases/lib-errors.t/dune

@@ -0,0 +1,21 @@
+(library
+ (name a)
+ (libraries b)
+ (modules))
+
+(library
+ (name b)
+ (libraries c)
+ (modules))
+
+(library
+ (name c)
+ (libraries a)
+ (modules))
+
+(executable
+ (name cycle)
+ (libraries a)
+ (modules cycle))
+
+(rule (with-stdout-to cycle.ml (echo "")))

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/lib-errors.t/dune-project

@@ -0,0 +1 @@
+(lang dune 1.2)

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/lib-errors.t/run.t

@@ -0,0 +1,34 @@
+Test various errors related to resolving libraries
+
+Cycle detection
+---------------
+
+  $ dune build cycle.exe
+  Error: Dependency cycle between:
+     library "a" in _build/default
+  -> library "c" in _build/default
+  -> library "b" in _build/default
+  -> library "a" in _build/default
+  [1]
+
+Select with no solution
+-----------------------
+
+  $ mkdir select
+  $ cd select
+  $ echo "(lang dune 3.0)" > dune-project
+  $ cat <<EOF > dune
+  > (executable
+  >  (name select_error)
+  >  (libraries (select x from))
+  >  (modules select_error))
+  > (rule (with-stdout-to select_error.ml (echo "")))
+  > EOF
+
+  $ dune build select_error.exe
+  File "dune", line 3, characters 12-27:
+  3 |  (libraries (select x from))
+                  ^^^^^^^^^^^^^^^
+  Error: No solution found for this select form.
+  [1]
+