Release 1.0.121

Touch up borrowed field identifiers PR

serde/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "serde"
-version = "1.0.119" # remember to update html_root_url and serde_derive dependency
+version = "1.0.121" # remember to update html_root_url and serde_derive dependency
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>", "David Tolnay <dtolnay@gmail.com>"]
 license = "MIT OR Apache-2.0"
 description = "A generic serialization/deserialization framework"
@@ -14,7 +14,7 @@ include = ["build.rs", "src/**/*.rs", "crates-io.md", "README.md", "LICENSE-APAC
 build = "build.rs"
 
 [dependencies]
-serde_derive = { version = "=1.0.119", optional = true, path = "../serde_derive" }
+serde_derive = { version = "=1.0.121", optional = true, path = "../serde_derive" }
 
 [dev-dependencies]
 serde_derive = { version = "1.0", path = "../serde_derive" }

serde/src/de/ignored_any.rs

@@ -130,12 +130,28 @@ impl<'de> Visitor<'de> for IgnoredAny {
         Ok(IgnoredAny)
     }
 
+    serde_if_integer128! {
+        #[inline]
+        fn visit_i128<E>(self, x: i128) -> Result<Self::Value, E> {
+            let _ = x;
+            Ok(IgnoredAny)
+        }
+    }
+
     #[inline]
     fn visit_u64<E>(self, x: u64) -> Result<Self::Value, E> {
         let _ = x;
         Ok(IgnoredAny)
     }
 
+    serde_if_integer128! {
+        #[inline]
+        fn visit_u128<E>(self, x: u128) -> Result<Self::Value, E> {
+            let _ = x;
+            Ok(IgnoredAny)
+        }
+    }
+
     #[inline]
     fn visit_f64<E>(self, x: f64) -> Result<Self::Value, E> {
         let _ = x;

serde/src/de/impls.rs

@@ -1260,24 +1260,7 @@ macro_rules! parse_ip_impl {
                 D: Deserializer<'de>,
             {
                 if deserializer.is_human_readable() {
-                    struct IpAddrVisitor;
+                    deserializer.deserialize_str(FromStrVisitor::new($expecting))
-
-                    impl<'de> Visitor<'de> for IpAddrVisitor {
-                        type Value = $ty;
-
-                        fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-                            formatter.write_str($expecting)
-                        }
-
-                        fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
-                        where
-                            E: Error,
-                        {
-                            s.parse().map_err(Error::custom)
-                        }
-                    }
-
-                    deserializer.deserialize_str(IpAddrVisitor)
                 } else {
                     <[u8; $size]>::deserialize(deserializer).map(<$ty>::from)
                 }
@@ -1405,24 +1388,7 @@ impl<'de> Deserialize<'de> for net::IpAddr {
         D: Deserializer<'de>,
     {
         if deserializer.is_human_readable() {
-            struct IpAddrVisitor;
+            deserializer.deserialize_str(FromStrVisitor::new("IP address"))
-
-            impl<'de> Visitor<'de> for IpAddrVisitor {
-                type Value = net::IpAddr;
-
-                fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-                    formatter.write_str("IP address")
-                }
-
-                fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
-                where
-                    E: Error,
-                {
-                    s.parse().map_err(Error::custom)
-                }
-            }
-
-            deserializer.deserialize_str(IpAddrVisitor)
         } else {
             use lib::net::IpAddr;
             deserialize_enum! {
@@ -1449,24 +1415,7 @@ macro_rules! parse_socket_impl {
                 D: Deserializer<'de>,
             {
                 if deserializer.is_human_readable() {
-                    struct SocketAddrVisitor;
+                    deserializer.deserialize_str(FromStrVisitor::new($expecting))
-
-                    impl<'de> Visitor<'de> for SocketAddrVisitor {
-                        type Value = $ty;
-
-                        fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-                            formatter.write_str($expecting)
-                        }
-
-                        fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
-                        where
-                            E: Error,
-                        {
-                            s.parse().map_err(Error::custom)
-                        }
-                    }
-
-                    deserializer.deserialize_str(SocketAddrVisitor)
                 } else {
                     <(_, u16)>::deserialize(deserializer).map(|(ip, port)| $new(ip, port))
                 }
@@ -1482,24 +1431,7 @@ impl<'de> Deserialize<'de> for net::SocketAddr {
         D: Deserializer<'de>,
     {
         if deserializer.is_human_readable() {
-            struct SocketAddrVisitor;
+            deserializer.deserialize_str(FromStrVisitor::new("socket address"))
-
-            impl<'de> Visitor<'de> for SocketAddrVisitor {
-                type Value = net::SocketAddr;
-
-                fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-                    formatter.write_str("socket address")
-                }
-
-                fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
-                where
-                    E: Error,
-                {
-                    s.parse().map_err(Error::custom)
-                }
-            }
-
-            deserializer.deserialize_str(SocketAddrVisitor)
         } else {
             use lib::net::SocketAddr;
             deserialize_enum! {
@@ -1917,6 +1849,17 @@ impl<'de> Deserialize<'de> for Duration {
             }
         }
 
+        fn check_overflow<E>(secs: u64, nanos: u32) -> Result<(), E>
+        where
+            E: Error,
+        {
+            static NANOS_PER_SEC: u32 = 1_000_000_000;
+            match secs.checked_add((nanos / NANOS_PER_SEC) as u64) {
+                Some(_) => Ok(()),
+                None => Err(E::custom("overflow deserializing Duration")),
+            }
+        }
+
         struct DurationVisitor;
 
         impl<'de> Visitor<'de> for DurationVisitor {
@@ -1942,6 +1885,7 @@ impl<'de> Deserialize<'de> for Duration {
                         return Err(Error::invalid_length(1, &self));
                     }
                 };
+                try!(check_overflow(secs, nanos));
                 Ok(Duration::new(secs, nanos))
             }
 
@@ -1975,6 +1919,7 @@ impl<'de> Deserialize<'de> for Duration {
                     Some(nanos) => nanos,
                     None => return Err(<A::Error as Error>::missing_field("nanos")),
                 };
+                try!(check_overflow(secs, nanos));
                 Ok(Duration::new(secs, nanos))
             }
         }
@@ -2603,3 +2548,39 @@ atomic_impl! {
 atomic_impl! {
     AtomicI64 AtomicU64
 }
+
+#[cfg(feature = "std")]
+struct FromStrVisitor<T> {
+    expecting: &'static str,
+    ty: PhantomData<T>,
+}
+
+#[cfg(feature = "std")]
+impl<T> FromStrVisitor<T> {
+    fn new(expecting: &'static str) -> Self {
+        FromStrVisitor {
+            expecting: expecting,
+            ty: PhantomData,
+        }
+    }
+}
+
+#[cfg(feature = "std")]
+impl<'de, T> Visitor<'de> for FromStrVisitor<T>
+where
+    T: str::FromStr,
+    T::Err: fmt::Display,
+{
+    type Value = T;
+
+    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        formatter.write_str(self.expecting)
+    }
+
+    fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
+    where
+        E: Error,
+    {
+        s.parse().map_err(Error::custom)
+    }
+}

serde/src/de/value.rs

@@ -25,7 +25,7 @@ use lib::*;
 
 use self::private::{First, Second};
 use __private::de::size_hint;
-use de::{self, Expected, IntoDeserializer, SeqAccess};
+use de::{self, Deserializer, Expected, IntoDeserializer, SeqAccess, Visitor};
 use ser;
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -665,27 +665,26 @@ where
 
 ////////////////////////////////////////////////////////////////////////////////
 
-/// A deserializer holding a `&[u8]` with a lifetime tied to another
+/// A deserializer holding a `&[u8]`. Always calls [`Visitor::visit_bytes`].
-/// deserializer.
 #[derive(Debug)]
-pub struct BorrowedBytesDeserializer<'de, E> {
+pub struct BytesDeserializer<'a, E> {
-    value: &'de [u8],
+    value: &'a [u8],
     marker: PhantomData<E>,
 }
 
-impl_copy_clone!(BorrowedBytesDeserializer<'de>);
+impl<'a, E> BytesDeserializer<'a, E> {
-
+    /// Create a new deserializer from the given bytes.
-impl<'de, E> BorrowedBytesDeserializer<'de, E> {
+    pub fn new(value: &'a [u8]) -> Self {
-    /// Create a new borrowed deserializer from the given byte slice.
+        BytesDeserializer {
-    pub fn new(value: &'de [u8]) -> BorrowedBytesDeserializer<'de, E> {
-        BorrowedBytesDeserializer {
             value: value,
             marker: PhantomData,
         }
     }
 }
 
-impl<'de, E> de::Deserializer<'de> for BorrowedBytesDeserializer<'de, E>
+impl_copy_clone!(BytesDeserializer<'a>);
+
+impl<'de, 'a, E> Deserializer<'de> for BytesDeserializer<'a, E>
 where
     E: de::Error,
 {
@@ -693,7 +692,47 @@ where
 
     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
-        V: de::Visitor<'de>,
+        V: Visitor<'de>,
+    {
+        visitor.visit_bytes(self.value)
+    }
+
+    forward_to_deserialize_any! {
+        bool i8 i16 i32 i64 i128 u8 u16 u32 u64 u128 f32 f64 char str string
+        bytes byte_buf option unit unit_struct newtype_struct seq tuple
+        tuple_struct map struct enum identifier ignored_any
+    }
+}
+
+/// A deserializer holding a `&[u8]` with a lifetime tied to another
+/// deserializer. Always calls [`Visitor::visit_borrowed_bytes`].
+#[derive(Debug)]
+pub struct BorrowedBytesDeserializer<'de, E> {
+    value: &'de [u8],
+    marker: PhantomData<E>,
+}
+
+impl<'de, E> BorrowedBytesDeserializer<'de, E> {
+    /// Create a new borrowed deserializer from the given borrowed bytes.
+    pub fn new(value: &'de [u8]) -> Self {
+        BorrowedBytesDeserializer {
+            value: value,
+            marker: PhantomData,
+        }
+    }
+}
+
+impl_copy_clone!(BorrowedBytesDeserializer<'de>);
+
+impl<'de, E> Deserializer<'de> for BorrowedBytesDeserializer<'de, E>
+where
+    E: de::Error,
+{
+    type Error = E;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
     {
         visitor.visit_borrowed_bytes(self.value)
     }
@@ -701,7 +740,7 @@ where
     forward_to_deserialize_any! {
         bool i8 i16 i32 i64 i128 u8 u16 u32 u64 u128 f32 f64 char str string
         bytes byte_buf option unit unit_struct newtype_struct seq tuple
-        tuple_struct map struct identifier ignored_any enum
+        tuple_struct map struct enum identifier ignored_any
     }
 }
 

serde/src/lib.rs

@@ -84,7 +84,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 // Serde types in rustdoc of other crates get linked to here.
-#![doc(html_root_url = "https://docs.rs/serde/1.0.119")]
+#![doc(html_root_url = "https://docs.rs/serde/1.0.121")]
 // Support using Serde without the standard library!
 #![cfg_attr(not(feature = "std"), no_std)]
 // Unstable functionality only if the user asks for it. For tracking and

serde/src/private/de.rs

@@ -1,5 +1,6 @@
 use lib::*;
 
+use de::value::{BorrowedBytesDeserializer, BytesDeserializer};
 use de::{Deserialize, DeserializeSeed, Deserializer, Error, IntoDeserializer, Visitor};
 
 #[cfg(any(feature = "std", feature = "alloc"))]
@@ -2538,8 +2539,10 @@ mod content {
 //    }
 pub trait IdentifierDeserializer<'de, E: Error> {
     type Deserializer: Deserializer<'de, Error = E>;
+    type BorrowedDeserializer: Deserializer<'de, Error = E>;
 
     fn from(self) -> Self::Deserializer;
+    fn borrowed(self) -> Self::BorrowedDeserializer;
 }
 
 impl<'de, E> IdentifierDeserializer<'de, E> for u32
@@ -2547,10 +2550,15 @@ where
     E: Error,
 {
     type Deserializer = <u32 as IntoDeserializer<'de, E>>::Deserializer;
+    type BorrowedDeserializer = <u32 as IntoDeserializer<'de, E>>::Deserializer;
 
     fn from(self) -> Self::Deserializer {
         self.into_deserializer()
     }
+
+    fn borrowed(self) -> Self::BorrowedDeserializer {
+        self.into_deserializer()
+    }
 }
 
 pub struct StrDeserializer<'a, E> {
@@ -2558,20 +2566,6 @@ pub struct StrDeserializer<'a, E> {
     marker: PhantomData<E>,
 }
 
-impl<'a, E> IdentifierDeserializer<'a, E> for &'a str
-where
-    E: Error,
-{
-    type Deserializer = StrDeserializer<'a, E>;
-
-    fn from(self) -> Self::Deserializer {
-        StrDeserializer {
-            value: self,
-            marker: PhantomData,
-        }
-    }
-}
-
 impl<'de, 'a, E> Deserializer<'de> for StrDeserializer<'a, E>
 where
     E: Error,
@@ -2592,26 +2586,12 @@ where
     }
 }
 
-pub struct BytesDeserializer<'a, E> {
+pub struct BorrowedStrDeserializer<'de, E> {
-    value: &'a [u8],
+    value: &'de str,
     marker: PhantomData<E>,
 }
 
-impl<'a, E> IdentifierDeserializer<'a, E> for &'a [u8]
+impl<'de, E> Deserializer<'de> for BorrowedStrDeserializer<'de, E>
-where
-    E: Error,
-{
-    type Deserializer = BytesDeserializer<'a, E>;
-
-    fn from(self) -> Self::Deserializer {
-        BytesDeserializer {
-            value: self,
-            marker: PhantomData,
-        }
-    }
-}
-
-impl<'de, 'a, E> Deserializer<'de> for BytesDeserializer<'a, E>
 where
     E: Error,
 {
@@ -2621,7 +2601,7 @@ where
     where
         V: Visitor<'de>,
     {
-        visitor.visit_bytes(self.value)
+        visitor.visit_borrowed_str(self.value)
     }
 
     forward_to_deserialize_any! {
@@ -2631,6 +2611,44 @@ where
     }
 }
 
+impl<'a, E> IdentifierDeserializer<'a, E> for &'a str
+where
+    E: Error,
+{
+    type Deserializer = StrDeserializer<'a, E>;
+    type BorrowedDeserializer = BorrowedStrDeserializer<'a, E>;
+
+    fn from(self) -> Self::Deserializer {
+        StrDeserializer {
+            value: self,
+            marker: PhantomData,
+        }
+    }
+
+    fn borrowed(self) -> Self::BorrowedDeserializer {
+        BorrowedStrDeserializer {
+            value: self,
+            marker: PhantomData,
+        }
+    }
+}
+
+impl<'a, E> IdentifierDeserializer<'a, E> for &'a [u8]
+where
+    E: Error,
+{
+    type Deserializer = BytesDeserializer<'a, E>;
+    type BorrowedDeserializer = BorrowedBytesDeserializer<'a, E>;
+
+    fn from(self) -> Self::Deserializer {
+        BytesDeserializer::new(self)
+    }
+
+    fn borrowed(self) -> Self::BorrowedDeserializer {
+        BorrowedBytesDeserializer::new(self)
+    }
+}
+
 /// A DeserializeSeed helper for implementing deserialize_in_place Visitors.
 ///
 /// Wraps a mutable reference and calls deserialize_in_place on it.

serde_derive/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "serde_derive"
-version = "1.0.119" # remember to update html_root_url
+version = "1.0.121" # remember to update html_root_url
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>", "David Tolnay <dtolnay@gmail.com>"]
 license = "MIT OR Apache-2.0"
 description = "Macros 1.1 implementation of #[derive(Serialize, Deserialize)]"

serde_derive/src/de.rs

@@ -1891,17 +1891,23 @@ fn deserialize_generated_identifier(
     let (ignore_variant, fallthrough) = if !is_variant && cattrs.has_flatten() {
         let ignore_variant = quote!(__other(_serde::__private::de::Content<'de>),);
         let fallthrough = quote!(_serde::__private::Ok(__Field::__other(__value)));
-        (Some(ignore_variant), Some(fallthrough))
+        (
+            Some(ignore_variant),
+            Some((fallthrough.clone(), fallthrough)),
+        )
     } else if let Some(other_idx) = other_idx {
         let ignore_variant = fields[other_idx].1.clone();
         let fallthrough = quote!(_serde::__private::Ok(__Field::#ignore_variant));
-        (None, Some(fallthrough))
+        (None, Some((fallthrough.clone(), fallthrough)))
     } else if is_variant || cattrs.deny_unknown_fields() {
         (None, None)
     } else {
         let ignore_variant = quote!(__ignore,);
         let fallthrough = quote!(_serde::__private::Ok(__Field::__ignore));
-        (Some(ignore_variant), Some(fallthrough))
+        (
+            Some(ignore_variant),
+            Some((fallthrough.clone(), fallthrough)),
+        )
     };
 
     let visitor_impl = Stmts(deserialize_identifier(
@@ -1964,16 +1970,22 @@ fn deserialize_custom_identifier(
         if last.attrs.other() {
             let ordinary = &variants[..variants.len() - 1];
             let fallthrough = quote!(_serde::__private::Ok(#this::#last_ident));
-            (ordinary, Some(fallthrough))
+            (ordinary, Some((fallthrough.clone(), fallthrough)))
         } else if let Style::Newtype = last.style {
             let ordinary = &variants[..variants.len() - 1];
-            let deserializer = quote!(_serde::__private::de::IdentifierDeserializer::from(__value));
+            let fallthrough = |method| {
-            let fallthrough = quote! {
+                quote! {
-                _serde::__private::Result::map(
+                    _serde::__private::Result::map(
-                    _serde::Deserialize::deserialize(#deserializer),
+                        _serde::Deserialize::deserialize(
-                    #this::#last_ident)
+                            _serde::__private::de::IdentifierDeserializer::#method(__value)
+                        ),
+                        #this::#last_ident)
+                }
             };
-            (ordinary, Some(fallthrough))
+            (
+                ordinary,
+                Some((fallthrough(quote!(from)), fallthrough(quote!(borrowed)))),
+            )
         } else {
             (variants, None)
         }
@@ -2045,7 +2057,8 @@ fn deserialize_identifier(
     this: &TokenStream,
     fields: &[(String, Ident, Vec<String>)],
     is_variant: bool,
-    fallthrough: Option<TokenStream>,
+    // .0 for referenced data, .1 -- for borrowed
+    fallthrough: Option<(TokenStream, TokenStream)>,
     collect_other_fields: bool,
 ) -> Fragment {
     let mut flat_fields = Vec::new();
@@ -2053,14 +2066,11 @@ fn deserialize_identifier(
         flat_fields.extend(aliases.iter().map(|alias| (alias, ident)))
     }
 
-    let field_strs = flat_fields.iter().map(|(name, _)| name);
+    let field_strs: &Vec<_> = &flat_fields.iter().map(|(name, _)| name).collect();
-    let field_borrowed_strs = flat_fields.iter().map(|(name, _)| name);
+    let field_bytes: &Vec<_> = &flat_fields
-    let field_bytes = flat_fields
         .iter()
-        .map(|(name, _)| Literal::byte_string(name.as_bytes()));
+        .map(|(name, _)| Literal::byte_string(name.as_bytes()))
-    let field_borrowed_bytes = flat_fields
+        .collect();
-        .iter()
-        .map(|(name, _)| Literal::byte_string(name.as_bytes()));
 
     let constructors: &Vec<_> = &flat_fields
         .iter()
@@ -2111,16 +2121,18 @@ fn deserialize_identifier(
         (None, None, None, None)
     };
 
-    let fallthrough_arm = if let Some(fallthrough) = fallthrough {
+    let (fallthrough_arm, fallthrough_borrowed_arm) = if let Some(fallthrough) = fallthrough {
         fallthrough
     } else if is_variant {
-        quote! {
+        let fallthrough = quote! {
             _serde::__private::Err(_serde::de::Error::unknown_variant(__value, VARIANTS))
-        }
+        };
+        (fallthrough.clone(), fallthrough)
     } else {
-        quote! {
+        let fallthrough = quote! {
             _serde::__private::Err(_serde::de::Error::unknown_field(__value, FIELDS))
-        }
+        };
+        (fallthrough.clone(), fallthrough)
     };
 
     let variant_indices = 0_u64..;
@@ -2217,37 +2229,6 @@ fn deserialize_identifier(
             {
                 _serde::__private::Ok(__Field::__other(_serde::__private::de::Content::Unit))
             }
-
-            fn visit_borrowed_str<__E>(self, __value: &'de str) -> _serde::__private::Result<Self::Value, __E>
-            where
-                __E: _serde::de::Error,
-            {
-                match __value {
-                    #(
-                        #field_borrowed_strs => _serde::__private::Ok(#constructors),
-                    )*
-                    _ => {
-                        #value_as_borrowed_str_content
-                        #fallthrough_arm
-                    }
-                }
-            }
-
-            fn visit_borrowed_bytes<__E>(self, __value: &'de [u8]) -> _serde::__private::Result<Self::Value, __E>
-            where
-                __E: _serde::de::Error,
-            {
-                match __value {
-                    #(
-                        #field_borrowed_bytes => _serde::__private::Ok(#constructors),
-                    )*
-                    _ => {
-                        #bytes_to_str
-                        #value_as_borrowed_bytes_content
-                        #fallthrough_arm
-                    }
-                }
-            }
         }
     } else {
         quote! {
@@ -2290,6 +2271,21 @@ fn deserialize_identifier(
             }
         }
 
+        fn visit_borrowed_str<__E>(self, __value: &'de str) -> _serde::__private::Result<Self::Value, __E>
+        where
+            __E: _serde::de::Error,
+        {
+            match __value {
+                #(
+                    #field_strs => _serde::__private::Ok(#constructors),
+                )*
+                _ => {
+                    #value_as_borrowed_str_content
+                    #fallthrough_borrowed_arm
+                }
+            }
+        }
+
         fn visit_bytes<__E>(self, __value: &[u8]) -> _serde::__private::Result<Self::Value, __E>
         where
             __E: _serde::de::Error,
@@ -2305,6 +2301,22 @@ fn deserialize_identifier(
                 }
             }
         }
+
+        fn visit_borrowed_bytes<__E>(self, __value: &'de [u8]) -> _serde::__private::Result<Self::Value, __E>
+        where
+            __E: _serde::de::Error,
+        {
+            match __value {
+                #(
+                    #field_bytes => _serde::__private::Ok(#constructors),
+                )*
+                _ => {
+                    #bytes_to_str
+                    #value_as_borrowed_bytes_content
+                    #fallthrough_borrowed_arm
+                }
+            }
+        }
     }
 }
 

serde_derive/src/lib.rs

@@ -13,7 +13,7 @@
 //!
 //! [https://serde.rs/derive.html]: https://serde.rs/derive.html
 
-#![doc(html_root_url = "https://docs.rs/serde_derive/1.0.119")]
+#![doc(html_root_url = "https://docs.rs/serde_derive/1.0.121")]
 #![allow(unknown_lints, bare_trait_objects)]
 #![deny(clippy::all, clippy::pedantic)]
 // Ignored clippy lints

serde_test/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "serde_test"
-version = "1.0.119" # remember to update html_root_url
+version = "1.0.121" # remember to update html_root_url
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>", "David Tolnay <dtolnay@gmail.com>"]
 license = "MIT OR Apache-2.0"
 description = "Token De/Serializer for testing De/Serialize implementations"

serde_test/src/lib.rs

@@ -144,7 +144,7 @@
 //! # }
 //! ```
 
-#![doc(html_root_url = "https://docs.rs/serde_test/1.0.119")]
+#![doc(html_root_url = "https://docs.rs/serde_test/1.0.121")]
 #![cfg_attr(feature = "cargo-clippy", allow(renamed_and_removed_lints))]
 #![cfg_attr(feature = "cargo-clippy", deny(clippy, clippy_pedantic))]
 // Ignored clippy lints

test_suite/tests/test_borrow.rs

@@ -90,6 +90,30 @@ fn test_struct() {
     );
 }
 
+#[test]
+fn test_field_identifier() {
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[serde(field_identifier)]
+    enum FieldStr<'a> {
+        #[serde(borrow)]
+        Str(&'a str),
+    }
+
+    assert_de_tokens(&FieldStr::Str("value"), &[Token::BorrowedStr("value")]);
+
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[serde(field_identifier)]
+    enum FieldBytes<'a> {
+        #[serde(borrow)]
+        Bytes(&'a [u8]),
+    }
+
+    assert_de_tokens(
+        &FieldBytes::Bytes(b"value"),
+        &[Token::BorrowedBytes(b"value")],
+    );
+}
+
 #[test]
 fn test_cow() {
     #[derive(Deserialize)]

test_suite/tests/test_de.rs

@@ -1452,4 +1452,25 @@ declare_error_tests! {
         ],
         "invalid value: integer `65536`, expected u16",
     }
+    test_duration_overflow_seq<Duration> {
+        &[
+            Token::Seq { len: Some(2) },
+                Token::U64(u64::max_value()),
+                Token::U32(1_000_000_000),
+            Token::SeqEnd,
+        ],
+        "overflow deserializing Duration",
+    }
+    test_duration_overflow_struct<Duration> {
+        &[
+            Token::Struct { name: "Duration", len: 2 },
+                Token::Str("secs"),
+                Token::U64(u64::max_value()),
+
+                Token::Str("nanos"),
+                Token::U32(1_000_000_000),
+            Token::StructEnd,
+        ],
+        "overflow deserializing Duration",
+    }
 }