From: Dawid Ciężarkiewicz <dpc@dpc.pw>
Date: Wed, 15 Mar 2017 05:03:00 +0000 (-0700)
Subject: Fix `create_dir_all("")`
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=b5d590b3f0483bc943df8f59011b85500456d748;p=rust.git

Fix `create_dir_all("")`

Add a test for `""` and `"."`.
---

diff --git a/src/libstd/fs.rs b/src/libstd/fs.rs
index 59a6a99201f..cc9df743ef1 100644
--- a/src/libstd/fs.rs
+++ b/src/libstd/fs.rs
@@ -1775,6 +1775,10 @@ fn _create(&self, path: &Path) -> io::Result<()> {
     }
 
     fn create_dir_all(&self, path: &Path) -> io::Result<()> {
+        if path == Path::new("") {
+            return Ok(())
+        }
+
         match self.inner.mkdir(path) {
             Ok(()) => return Ok(()),
             Err(ref e) if e.kind() == io::ErrorKind::NotFound => {}
@@ -2302,6 +2306,16 @@ fn recursive_mkdir_slash() {
         check!(fs::create_dir_all(&Path::new("/")));
     }
 
+    #[test]
+    fn recursive_mkdir_dot() {
+        check!(fs::create_dir_all(&Path::new(".")));
+    }
+
+    #[test]
+    fn recursive_mkdir_empty() {
+        check!(fs::create_dir_all(&Path::new("")));
+    }
+
     #[test]
     fn recursive_rmdir() {
         let tmpdir = tmpdir();