use serde::{Deserialize, Serialize}; use ron::{extensions::Extensions, ser::PrettyConfig, Options}; #[derive(Serialize, Deserialize)] struct Newtype(f64); #[derive(Serialize, Deserialize)] struct Struct(Option<u32>, Newtype); #[test] fn default_options() { let ron = Options::default(); let de: Struct = ron.from_str("(Some(42),(4.2))").unwrap(); let ser = ron.to_string(&de).unwrap(); assert_eq!(ser, "(Some(42),(4.2))") } #[test] fn single_default_extension() { let ron = Options::default().with_default_extension(Extensions::IMPLICIT_SOME); let de: Struct = ron.from_str("(42,(4.2))").unwrap(); let ser = ron.to_string(&de).unwrap(); assert_eq!(ser, "(42,(4.2))"); let de: Struct = ron.from_str("#)").unwrap(); let ser = ron.to_string(&de).unwrap(); assert_eq!(ser, "(42,(4.2))"); let de: Struct = ron .from_str("#![enable(implicit_some)]#") .unwrap(); let ser = ron.to_string(&de).unwrap(); assert_eq!(ser, "(42,(4.2))"); let de: Struct = ron .from_str("#![enable(implicit_some)]#") .unwrap(); let ser = ron .to_string_pretty( &de, PrettyConfig::default().extensions(Extensions::UNWRAP_NEWTYPES), ) .unwrap(); assert_eq!(ser, "#![enable(unwrap_newtypes)]\n(42, 4.2)"); }