timer: introduce delay function shortcut (#1440)

This commit adds a simple delay shortcut to avoid writing Delay::new
everywhere and removes usages of Delay::new.

3 files changed, 8 insertions, 11 deletions

diff --git a/tokio-test/src/clock.rs b/tokio-test/src/clock.rs
index 43f073d9..a5c8b4f2 100644
--- a/tokio-test/src/clock.rs
+++ b/tokio-test/src/clock.rs
@@ -7,14 +7,13 @@
 //!
 //! use tokio::clock;
 //! use tokio_test::{assert_ready, assert_pending, task};
-//! use tokio_timer::Delay;
+//! use tokio_timer::delay;
 //!
 //! use std::time::Duration;
 //!
 //! tokio_test::clock::mock(|handle| {
 //!     let mut task = task::spawn(async {
-//!         let delay = Delay::new(clock::now() + Duration::from_secs(1));
-//!         delay.await
+//!         delay(clock::now() + Duration::from_secs(1)).await
 //!     });
 //!
 //!     assert_pending!(task.poll());
diff --git a/tokio-test/tests/block_on.rs b/tokio-test/tests/block_on.rs
index 7d56ec62..f0a90d11 100644
--- a/tokio-test/tests/block_on.rs
+++ b/tokio-test/tests/block_on.rs
@@ -3,7 +3,7 @@
 
 use std::time::{Duration, Instant};
 use tokio_test::block_on;
-use tokio_timer::Delay;
+use tokio_timer::delay;
 
 #[test]
 fn async_block() {
@@ -20,9 +20,7 @@ fn async_fn() {
 }
 
 #[test]
-fn delay() {
+fn test_delay() {
     let deadline = Instant::now() + Duration::from_millis(100);
-    let delay = Delay::new(deadline);
-
-    assert_eq!((), block_on(delay));
+    assert_eq!((), block_on(delay(deadline)));
 }
diff --git a/tokio-test/tests/clock.rs b/tokio-test/tests/clock.rs
index 915f6899..344c599b 100644
--- a/tokio-test/tests/clock.rs
+++ b/tokio-test/tests/clock.rs
@@ -6,7 +6,7 @@ use std::time::{Duration, Instant};
 use tokio_test::clock::MockClock;
 use tokio_test::task::MockTask;
 use tokio_test::{assert_not_ready, assert_ready};
-use tokio_timer::Delay;
+use tokio_timer::delay;
 
 #[test]
 fn clock() {
@@ -14,7 +14,7 @@ fn clock() {
 
     mock.enter(|handle| {
         let deadline = Instant::now() + Duration::from_secs(1);
-        let mut delay = Delay::new(deadline);
+        let mut delay = delay(deadline);
 
         assert_not_ready!(delay.poll());
 
@@ -31,7 +31,7 @@ fn notify() {
     let mut task = MockTask::new();
 
     mock.enter(|handle| {
-        let mut delay = Delay::new(deadline);
+        let mut delay = delay(deadline);
 
         task.enter(|| assert_not_ready!(delay.poll()));