2 files changed, 12 insertions, 0 deletions
diff --git a/std/wasi/testdata/std_fs_create_dir.rs b/std/wasi/testdata/std_fs_create_dir.rs
new file mode 100644
index 000000000..3ea41fd2f
--- /dev/null
+++ b/std/wasi/testdata/std_fs_create_dir.rs
@@ -0,0 +1,6 @@
+// { "preopens": { "/scratch": "scratch" } }
+
+fn main() {
+  assert!(std::fs::create_dir("/scratch/directory").is_ok());
+  assert!(std::fs::metadata("/scratch/directory").unwrap().is_dir());
+}
diff --git a/std/wasi/testdata/std_fs_file_create.rs b/std/wasi/testdata/std_fs_file_create.rs
new file mode 100644
index 000000000..eec1f8350
--- /dev/null
+++ b/std/wasi/testdata/std_fs_file_create.rs
@@ -0,0 +1,6 @@
+// { "preopens": { "/scratch": "scratch" } }
+
+fn main() {
+  assert!(std::fs::File::create("/scratch/file").is_ok());
+  assert!(std::fs::metadata("/scratch/file").unwrap().is_file());
+}