Merge pull request #506 from koushiro/fix_integer128_serialize

Fix integer128 serialize

Author: dtolnay

src/value/ser.rs

@@ -77,6 +77,13 @@ impl serde::Serializer for Serializer {
         Ok(Value::Number(value.into()))
     }
 
+    serde_if_integer128! {
+        #[cfg(feature = "arbitrary_precision")]
+        fn serialize_i128(self, value: i128) -> Result<Value, Error> {
+            Ok(Value::Number(Number::from_string_unchecked(value.to_string())))
+        }
+    }
+
     #[inline]
     fn serialize_u8(self, value: u8) -> Result<Value, Error> {
         self.serialize_u64(value as u64)
@@ -97,6 +104,13 @@ impl serde::Serializer for Serializer {
         Ok(Value::Number(value.into()))
     }
 
+    serde_if_integer128! {
+        #[cfg(feature = "arbitrary_precision")]
+        fn serialize_u128(self, value: u128) -> Result<Value, Error> {
+            Ok(Value::Number(Number::from_string_unchecked(value.to_string())))
+        }
+    }
+
     #[inline]
     fn serialize_f32(self, value: f32) -> Result<Value, Error> {
         self.serialize_f64(value as f64)

tests/test.rs

@@ -1909,6 +1909,13 @@ fn test_partialeq_number() {
     );
 }
 
+#[test]
+#[cfg(integer128)]
+#[cfg(feature = "arbitrary_precision")]
+fn test_partialeq_integer128() {
+    number_partialeq_ok!(i128::MIN i128::MAX u128::MIN u128::MAX)
+}
+
 #[test]
 fn test_partialeq_string() {
     let v = to_value("42").unwrap();