Vendor dependencies for 0.3.0 release

vendor/nix/test/test_net.rs

@@ -0,0 +1,28 @@
+use nix::net::if_::*;
+
+#[cfg(linux_android)]
+const LOOPBACK: &[u8] = b"lo";
+
+#[cfg(not(any(linux_android, target_os = "haiku")))]
+const LOOPBACK: &[u8] = b"lo0";
+
+#[cfg(target_os = "haiku")]
+const LOOPBACK: &[u8] = b"loop";
+
+#[test]
+#[cfg_attr(target_os = "cygwin", ignore)]
+fn test_if_nametoindex() {
+    if_nametoindex(LOOPBACK).expect("assertion failed");
+}
+
+#[test]
+#[cfg_attr(target_os = "cygwin", ignore)]
+fn test_if_indextoname() {
+    let loopback_index = if_nametoindex(LOOPBACK).expect("assertion failed");
+    assert_eq!(
+        if_indextoname(loopback_index)
+            .expect("assertion failed")
+            .as_bytes(),
+        LOOPBACK
+    );
+}