1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/rust/hex/tests/serde.rs b/third_party/rust/hex/tests/serde.rs
new file mode 100644
index 0000000000..a571d3a602
--- /dev/null
+++ b/third_party/rust/hex/tests/serde.rs
@@ -0,0 +1,59 @@
+#![cfg(all(feature = "serde", feature = "alloc"))]
+#![allow(clippy::blacklisted_name)]
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
+struct Foo {
+    #[serde(with = "hex")]
+    bar: Vec<u8>,
+}
+
+#[test]
+fn serialize() {
+    let foo = Foo {
+        bar: vec![1, 10, 100],
+    };
+
+    let ser = serde_json::to_string(&foo).expect("serialization failed");
+    assert_eq!(ser, r#"{"bar":"010a64"}"#);
+}
+
+#[test]
+fn deserialize() {
+    let foo = Foo {
+        bar: vec![1, 10, 100],
+    };
+
+    let de: Foo = serde_json::from_str(r#"{"bar":"010a64"}"#).expect("deserialization failed");
+    assert_eq!(de, foo);
+}
+
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
+struct Bar {
+    #[serde(
+        serialize_with = "hex::serialize_upper",
+        deserialize_with = "hex::deserialize"
+    )]
+    foo: Vec<u8>,
+}
+
+#[test]
+fn serialize_upper() {
+    let bar = Bar {
+        foo: vec![1, 10, 100],
+    };
+
+    let ser = serde_json::to_string(&bar).expect("serialization failed");
+    assert_eq!(ser, r#"{"foo":"010A64"}"#);
+}
+
+#[test]
+fn deserialize_upper() {
+    let bar = Bar {
+        foo: vec![1, 10, 100],
+    };
+
+    let de: Bar = serde_json::from_str(r#"{"foo":"010A64"}"#).expect("deserialization failed");
+    assert_eq!(de, bar);
+}