blob: 7095d78e96aff803e0ecddab63401d8b99a66f65 [file] [log] [blame]
// Copyright 2017 Serde Developers
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
//> or the MIT license
// <LICENSE-MIT or>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
extern crate serde_json;
use serde_json::{from_str, Value};
fn test_map_order() {
// Sorted order
#[cfg(not(feature = "preserve_order"))]
const EXPECTED: &[&str] = &["a", "b", "c"];
// Insertion order
#[cfg(feature = "preserve_order")]
const EXPECTED: &[&str] = &["b", "a", "c"];
let v: Value = from_str(r#"{"b":null,"a":null,"c":null}"#).unwrap();
let keys: Vec<_> = v.as_object().unwrap().keys().collect();
assert_eq!(keys, EXPECTED);