From 7c5541c2a91ee6afd5ec5def5425e1f6c58fcf0a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Harabie=C5=84?= <rafalh1992@o2.pl>
Date: Wed, 30 May 2018 01:39:34 +0200
Subject: [PATCH] Add test for lowercase SFN (short LFN encoded in SFN)

---
 src/dir_entry.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/dir_entry.rs b/src/dir_entry.rs
index 4842878..c99aba1 100644
--- a/src/dir_entry.rs
+++ b/src/dir_entry.rs
@@ -725,4 +725,22 @@ mod tests {
         raw_short_name.copy_from_slice("FOO        ".as_bytes());
         assert_eq!(ShortName::new(&raw_short_name).to_str(), "FOO");
     }
+
+    #[test]
+    fn lowercase_short_name() {
+        let mut raw_short_name = [0u8;11];
+        raw_short_name.copy_from_slice("FOO     RS ".as_bytes());
+        let mut raw_entry = DirFileEntryData {
+            name: raw_short_name,
+            reserved_0: (1 << 3) | (1 << 4),
+            ..Default::default()
+        };
+        assert_eq!(raw_entry.lowercase_name(), "foo.rs");
+        raw_entry.reserved_0 = 1 << 3;
+        assert_eq!(raw_entry.lowercase_name(), "foo.RS");
+        raw_entry.reserved_0 = 1 << 4;
+        assert_eq!(raw_entry.lowercase_name(), "FOO.rs");
+        raw_entry.reserved_0 = 0;
+        assert_eq!(raw_entry.lowercase_name(), "FOO.RS");
+    }
 }