Upgrade rust/crates/bytes to 0.5.6

Change-Id: Ib95c402dc50956f33008f634e79291a91157cc8d

9 files changed, 25 insertions, 9 deletions

diff --git a/tests/test_buf.rs b/tests/test_buf.rs
index 26b95ae..17bdd54 100644
--- a/tests/test_buf.rs
+++ b/tests/test_buf.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 use bytes::Buf;
 #[cfg(feature = "std")]
diff --git a/tests/test_buf_mut.rs b/tests/test_buf_mut.rs
index c70e209..b91e2e5 100644
--- a/tests/test_buf_mut.rs
+++ b/tests/test_buf_mut.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 #[cfg(feature = "std")]
 use bytes::buf::IoSliceMut;
diff --git a/tests/test_bytes.rs b/tests/test_bytes.rs
index 106fa6f..6b106a6 100644
--- a/tests/test_bytes.rs
+++ b/tests/test_bytes.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 use bytes::{Buf, BufMut, Bytes, BytesMut};
 
@@ -930,6 +930,22 @@ fn bytes_buf_mut_advance() {
 }
 
 #[test]
+fn bytes_buf_mut_reuse_when_fully_consumed() {
+    use bytes::{Buf, BytesMut};
+    let mut buf = BytesMut::new();
+    buf.reserve(8192);
+    buf.extend_from_slice(&[0u8; 100][..]);
+
+    let p = &buf[0] as *const u8;
+    buf.advance(100);
+
+    buf.reserve(8192);
+    buf.extend_from_slice(b" ");
+
+    assert_eq!(&buf[0] as *const u8, p);
+}
+
+#[test]
 #[should_panic]
 fn bytes_reserve_overflow() {
     let mut bytes = BytesMut::with_capacity(1024);
diff --git a/tests/test_chain.rs b/tests/test_chain.rs
index 82de7fc..6dbc45d 100644
--- a/tests/test_chain.rs
+++ b/tests/test_chain.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 use bytes::buf::{BufExt, BufMutExt};
 use bytes::{Buf, BufMut, Bytes};
diff --git a/tests/test_debug.rs b/tests/test_debug.rs
index 7528bac..08d2f25 100644
--- a/tests/test_debug.rs
+++ b/tests/test_debug.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 use bytes::Bytes;
 
diff --git a/tests/test_iter.rs b/tests/test_iter.rs
index 2302a69..a5bfddd 100644
--- a/tests/test_iter.rs
+++ b/tests/test_iter.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 use bytes::Bytes;
 
diff --git a/tests/test_reader.rs b/tests/test_reader.rs
index b5da2c9..10b480f 100644
--- a/tests/test_reader.rs
+++ b/tests/test_reader.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 #![cfg(feature = "std")]
 
 use std::io::{BufRead, Read};
diff --git a/tests/test_serde.rs b/tests/test_serde.rs
index 36b87f2..cf4aeff 100644
--- a/tests/test_serde.rs
+++ b/tests/test_serde.rs
@@ -1,5 +1,5 @@
 #![cfg(feature = "serde")]
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 use serde_test::{assert_tokens, Token};
 
diff --git a/tests/test_take.rs b/tests/test_take.rs
index b9b525b..0afb28b 100644
--- a/tests/test_take.rs
+++ b/tests/test_take.rs
@@ -1,4 +1,4 @@
-#![deny(warnings, rust_2018_idioms)]
+#![warn(rust_2018_idioms)]
 
 use bytes::buf::{Buf, BufExt};