port over all tests

crates/async-std-resolver/src/time.rs

@@ -0,0 +1,31 @@
+// Copyright 2015-2020 Benjamin Fry <benjaminfry@me.com>
+//
+// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
+// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
+// http://opensource.org/licenses/MIT>, at your option. This file may not be
+// copied, modified, or distributed except according to those terms.
+
+use std::future::Future;
+use std::time::Duration;
+
+use async_trait::async_trait;
+use trust_dns_resolver::proto::Time;
+
+/// AsyncStd backed timer implementation
+pub struct AsyncStdTime;
+
+#[async_trait]
+impl Time for AsyncStdTime {
+    async fn delay_for(duration: Duration) {
+        async_std::task::sleep(duration).await
+    }
+
+    async fn timeout<F: 'static + Future + Send>(
+        duration: Duration,
+        future: F,
+    ) -> Result<F::Output, std::io::Error> {
+        async_std::future::timeout(duration, future)
+            .await
+            .map_err(move |_| std::io::Error::new(std::io::ErrorKind::TimedOut, "future timed out"))
+    }
+}