Cleanup readv & writev + tests

1 files changed, 31 insertions, 0 deletions

diff --git a/test/test_stat.rs b/test/test_stat.rs
new file mode 100644
index 00000000..ac4a8f08
--- /dev/null
+++ b/test/test_stat.rs
@@ -0,0 +1,31 @@
+use nix::sys::stat::stat;
+
+#[test]
+fn test_stat() {
+    use nix::fcntl::open;
+    use nix::unistd::{close, unlink};
+    use nix::fcntl::O_CREAT;
+    use nix::sys::stat::S_IWUSR;
+
+    let filename = b"target/foo.txt";
+    let fd_res = open(filename, O_CREAT, S_IWUSR).unwrap();
+    close(fd_res).unwrap(); //.ok().unwrap()); // close right here. We use the file only for the stat test
+    let stat_result = stat(filename);
+
+    match stat_result {
+        Ok(stats) => {
+            assert!(stats.st_dev > 0);      // must be positive integer, exact number machine dependent
+            assert!(stats.st_ino > 0);      // inode is positive integer, exact number machine dependent
+            assert!(stats.st_mode > 0);     // must be positive integer
+            assert!(stats.st_nlink == 1);   // there links created, must be 1
+            assert!(stats.st_uid > 0);      // must be positive integer
+            assert!(stats.st_gid > 0);      // must be positive integer
+            assert!(stats.st_rdev == 0);    // no special device
+            assert!(stats.st_size == 0);    // size is 0 because we did not write anything to the file
+            assert!(stats.st_blksize > 0);  // must be positive integer, exact number machine dependent
+            assert!(stats.st_blocks == 0);  // no blocks allocated because file size is 0
+        }
+        Err(_) => panic!("stat call failed") // if stats system call fails, something is seriously wrong on that machine
+    }
+    unlink(filename).unwrap();
+}