unikernel/duniverse/dune_/test/blackbox-tests/test-cases/sendfile-large-file.t

@@ -0,0 +1,20 @@
+We create a large file and check that it is copied completely.
+
+  $ cat > dune-project << EOF
+  > (lang dune 1.0)
+  > EOF
+
+  $ cat > create.ml << EOF
+  > let () = Unix.truncate "file.dat" 0x1_00_00_00_03
+  > EOF
+  $ touch file.dat
+  $ ocaml -I +unix unix.cma create.ml
+  $ rm create.ml
+
+  $ dune build file.dat
+
+  $ dune_cmd stat size file.dat
+  4294967299
+
+  $ dune_cmd stat size _build/default/file.dat
+  4294967299