From ade142843c8bd153d488055bd808ea36bfbb2fe7 Mon Sep 17 00:00:00 2001
From: Szymon Walter <walter.szymon.98@gmail.com>
Date: Mon, 19 Mar 2018 17:42:08 +0100
Subject: [PATCH] add `file_len` test and rewrite `file` test

---
 src/fs.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/fs.rs b/src/fs.rs
index f802ded..1090b41 100644
--- a/src/fs.rs
+++ b/src/fs.rs
@@ -33,12 +33,20 @@ mod tests {
     use std::fs::File;
     use std::cell::RefCell;
 
+    use buffer::Buffer;
+
     use super::Ext2;
 
+    #[test]
+    fn file_len() {
+        let file = RefCell::new(File::open("ext2.bin").unwrap());
+        assert_eq!(unsafe { file.slice_unchecked(1024..2048).len() }, 1024);
+    }
+
     #[test]
     fn file() {
         let file = RefCell::new(File::open("ext2.bin").unwrap());
         let mut fs = Ext2::new(file);
-        assert!(fs.init().is_ok());
+        assert_eq!(Ok(()), fs.init());
     }
 }