test(std/wasi): add read, write and metadata tests (#6494)

1 files changed, 17 insertions, 0 deletions

diff --git a/std/wasi/testdata/std_fs_read.rs b/std/wasi/testdata/std_fs_read.rs
new file mode 100644
index 000000000..aa19d3ba4
--- /dev/null
+++ b/std/wasi/testdata/std_fs_read.rs
@@ -0,0 +1,17 @@
+// { "preopens": { "/fixture": "fixture" } }
+
+fn main() {
+  assert_eq!(std::fs::read("/fixture/file").unwrap(), b"file\n");
+  assert_eq!(
+    std::fs::read("/fixture/symlink_to_file").unwrap(),
+    b"file\n"
+  );
+  assert_eq!(
+    std::fs::read("/fixture/directory/file").unwrap(),
+    b"directory/file\n"
+  );
+  assert_eq!(
+    std::fs::read("/fixture/directory/symlink_to_file").unwrap(),
+    b"directory/file\n"
+  );
+}