unikernel/duniverse/dune_/test/blackbox-tests/test-cases/windows-diff.t/run.t

@@ -0,0 +1,22 @@
+  $ echo 'Hello, world!' > hello.expected
+
+  $ dune runtest
+
+  $ cp hello.wrong-output hello.expected
+  $ dune runtest
+  File "hello.expected", line 1, characters 0-0:
+  Error: Files _build/default/hello.expected and _build/default/hello.output
+  differ.
+  [1]
+  $ dune promote
+  Promoting _build/default/hello.output to hello.expected.
+  $ cat hello.expected
+  Hello, world!
+
+  $ dune build @cmp
+  File "dune", lines 12-14, characters 0-41:
+  12 | (alias
+  13 |  (name   cmp)
+  14 |  (action (cmp a b)))
+  Error: Files _build/default/a and _build/default/b differ.
+  [1]