fix value string display

Author: b41sh

src/value.rs

@@ -69,9 +69,7 @@ impl<'a> Display for Value<'a> {
             }
             Value::Number(ref v) => write!(f, "{}", v),
             Value::String(ref v) => {
-                write!(f, "\"")?;
-                write!(f, "{v}")?;
-                write!(f, "\"")
+                write!(f, "{:?}", v)
             }
             Value::Array(ref vs) => {
                 let mut first = true;

tests/it/functions.rs

@@ -675,6 +675,7 @@ fn test_to_string() {
     let mut buf: Vec<u8> = Vec::new();
     for (s, expect) in sources {
         let value = parse_value(s.as_bytes()).unwrap();
+        assert_eq!(format!("{}", value), expect);
         value.write_to_vec(&mut buf);
         let res = to_string(&buf);
         assert_eq!(res, expect);