use std::collections::BTreeMap; use ron::ser::{to_string, to_string_pretty, PrettyConfig}; #[derive(serde_derive::Serialize)] struct Struct { a: u8, b: u8, } #[test] fn compact_structs() { let s = Struct { a: 4, b: 2 }; assert_eq!(to_string(&s).unwrap(), "(a:4,b:2)"); assert_eq!( to_string_pretty(&s, PrettyConfig::default()).unwrap(), "(\n a: 4,\n b: 2,\n)" ); assert_eq!( to_string_pretty(&s, PrettyConfig::default().compact_structs(true)).unwrap(), "(a: 4, b: 2)" ); } #[test] fn compact_maps() { let m: BTreeMap<&str, i32> = BTreeMap::from_iter([("a", 4), ("b", 2)]); assert_eq!(to_string(&m).unwrap(), "{\"a\":4,\"b\":2}"); assert_eq!( to_string_pretty(&m, PrettyConfig::default()).unwrap(), "{\n \"a\": 4,\n \"b\": 2,\n}" ); assert_eq!( to_string_pretty(&m, PrettyConfig::default().compact_maps(true)).unwrap(), "{\"a\": 4, \"b\": 2}" ); }