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