uds: move into tokio-net (#1462)

build-tests/tests/fail/net_without_uds_missing_uds.rs

@@ -0,0 +1,4 @@
+use build_tests::tokio_net::udp;
+
+fn main() {}
+

build-tests/tests/fail/net_without_uds_missing_uds.stderr

@@ -0,0 +1,7 @@
+error[E0432]: unresolved import `build_tests::tokio_net::udp`
+ --> $DIR/net_without_uds_missing_uds.rs:1:5
+  |
+1 | use build_tests::tokio_net::udp;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `udp` in `tokio_net`
+
+For more information about this error, try `rustc --explain E0432`.

build-tests/tests/features.rs

@@ -19,6 +19,12 @@ fn net_with_udp() {
     use build_tests::tokio_net::udp;
 }
 
+#[test]
+#[cfg(feature = "net-with-uds")]
+fn net_with_udp() {
+    use build_tests::tokio_net::uds;
+}
+
 #[test]
 #[cfg(feature = "tokio-with-net")]
 fn tokio_with_net() {
@@ -36,6 +42,7 @@ fn compile_fail() {
     {
         t.compile_fail("tests/fail/net_without_tcp_missing_tcp.rs");
         t.compile_fail("tests/fail/net_without_udp_missing_udp.rs");
+        t.compile_fail("tests/fail/net_without_uds_missing_uds.rs");
     }
 
     #[cfg(feature = "tokio-no-features")]