1 files changed, 101 insertions, 0 deletions
diff --git a/third_party/rust/serde_bytes/tests/test_derive.rs b/third_party/rust/serde_bytes/tests/test_derive.rs
new file mode 100644
index 0000000000..c7e97f1ec4
--- /dev/null
+++ b/third_party/rust/serde_bytes/tests/test_derive.rs
@@ -0,0 +1,101 @@
+#![allow(clippy::derive_partial_eq_without_eq, clippy::ref_option_ref)]
+
+use serde_bytes::{ByteBuf, Bytes};
+use serde_derive::{Deserialize, Serialize};
+use serde_test::{assert_tokens, Token};
+use std::borrow::Cow;
+
+#[derive(Serialize, Deserialize, PartialEq, Debug)]
+struct Test<'a> {
+    #[serde(with = "serde_bytes")]
+    slice: &'a [u8],
+
+    #[serde(with = "serde_bytes")]
+    vec: Vec<u8>,
+
+    #[serde(with = "serde_bytes")]
+    bytes: &'a Bytes,
+
+    #[serde(with = "serde_bytes")]
+    byte_buf: ByteBuf,
+
+    #[serde(with = "serde_bytes")]
+    cow_slice: Cow<'a, [u8]>,
+
+    #[serde(with = "serde_bytes")]
+    cow_bytes: Cow<'a, Bytes>,
+
+    #[serde(with = "serde_bytes")]
+    boxed_slice: Box<[u8]>,
+
+    #[serde(with = "serde_bytes")]
+    boxed_bytes: Box<Bytes>,
+
+    #[serde(with = "serde_bytes")]
+    opt_slice: Option<&'a [u8]>,
+
+    #[serde(with = "serde_bytes")]
+    opt_vec: Option<Vec<u8>>,
+
+    #[serde(with = "serde_bytes")]
+    opt_cow_slice: Option<Cow<'a, [u8]>>,
+}
+
+#[derive(Serialize)]
+struct Dst {
+    #[serde(with = "serde_bytes")]
+    bytes: [u8],
+}
+
+#[test]
+fn test() {
+    let test = Test {
+        slice: b"...",
+        vec: b"...".to_vec(),
+        bytes: Bytes::new(b"..."),
+        byte_buf: ByteBuf::from(b"...".as_ref()),
+        cow_slice: Cow::Borrowed(b"..."),
+        cow_bytes: Cow::Borrowed(Bytes::new(b"...")),
+        boxed_slice: b"...".to_vec().into_boxed_slice(),
+        boxed_bytes: ByteBuf::from(b"...".as_ref()).into_boxed_bytes(),
+        opt_slice: Some(b"..."),
+        opt_vec: Some(b"...".to_vec()),
+        opt_cow_slice: Some(Cow::Borrowed(b"...")),
+    };
+
+    assert_tokens(
+        &test,
+        &[
+            Token::Struct {
+                name: "Test",
+                len: 11,
+            },
+            Token::Str("slice"),
+            Token::BorrowedBytes(b"..."),
+            Token::Str("vec"),
+            Token::Bytes(b"..."),
+            Token::Str("bytes"),
+            Token::BorrowedBytes(b"..."),
+            Token::Str("byte_buf"),
+            Token::Bytes(b"..."),
+            Token::Str("cow_slice"),
+            Token::BorrowedBytes(b"..."),
+            Token::Str("cow_bytes"),
+            Token::BorrowedBytes(b"..."),
+            Token::Str("boxed_slice"),
+            Token::Bytes(b"..."),
+            Token::Str("boxed_bytes"),
+            Token::Bytes(b"..."),
+            Token::Str("opt_slice"),
+            Token::Some,
+            Token::BorrowedBytes(b"..."),
+            Token::Str("opt_vec"),
+            Token::Some,
+            Token::Bytes(b"..."),
+            Token::Str("opt_cow_slice"),
+            Token::Some,
+            Token::BorrowedBytes(b"..."),
+            Token::StructEnd,
+        ],
+    );
+}