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use std::collections::HashMap;
use serde::Serialize;
#[derive(Serialize)]
struct Config {
float: (f32, f64),
tuple: TupleStruct,
map: HashMap<u8, char>,
nested: Nested,
var: Variant,
array: Vec<()>,
}
#[derive(Serialize)]
struct TupleStruct((), bool);
#[derive(Serialize)]
enum Variant {
A(u8, &'static str),
}
#[derive(Serialize)]
struct Nested {
a: String,
b: char,
}
const EXPECTED: &str = "(
float: (2.18, -1.1),
tuple: ((), false),
map: {8: '1'},
nested: (a: \"a\", b: 'b'),
var: A(255, \"\"),
array: [(), (), ()],
)";
#[test]
fn depth_limit() {
let data = Config {
float: (2.18, -1.1),
tuple: TupleStruct((), false),
map: vec![(8, '1')].into_iter().collect(),
nested: Nested {
a: "a".to_owned(),
b: 'b',
},
var: Variant::A(!0, ""),
array: vec![(); 3],
};
let pretty = ron::ser::PrettyConfig::new()
.depth_limit(1)
.separate_tuple_members(true)
.enumerate_arrays(true)
.new_line("\n".to_string());
let s = ron::ser::to_string_pretty(&data, pretty);
assert_eq!(s, Ok(EXPECTED.to_string()));
}