Additional serde test for arbitrary precision (#487)

paupino · Feb 20, 2022 · 34060a2 · 34060a2
1 parent 24bb42a
commit 34060a2
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/serde.rs b/src/serde.rs
@@ -509,6 +509,19 @@ mod test {
         assert_eq!(&serde_json::to_string(&value).unwrap(), r#"{"value":123.400}"#);
     }
 
+    #[test]
+    #[cfg(feature = "serde-with-arbitrary-precision")]
+    fn with_arbitrary_precision_from_string() {
+        #[derive(Serialize, Deserialize)]
+        pub struct ArbitraryExample {
+            #[serde(with = "crate::serde::arbitrary_precision")]
+            value: Decimal,
+        }
+
+        let value: ArbitraryExample = serde_json::from_str(r#"{"value":"1.1234127836128763"}"#).unwrap();
+        assert_eq!(value.value.to_string(), "1.1234127836128763");
+    }
+
     #[test]
     #[cfg(feature = "serde-with-float")]
     fn with_float() {