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add serde serialization support (#210)
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Original file line number | Diff line number | Diff line change |
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@@ -16,4 +16,7 @@ mod try_alloc_try_with; | |
mod try_alloc_with; | ||
mod vec; | ||
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#[cfg(feature = "serde")] | ||
mod serde; | ||
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fn main() {} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,119 @@ | ||
#![cfg(feature = "collections")] | ||
#![cfg(feature = "serde")] | ||
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use bumpalo::{boxed::Box, vec, Bump}; | ||
use serde::{Deserialize, Serialize}; | ||
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macro_rules! compare_std_vec { | ||
(in $bump:ident; $($x:expr),+) => {{ | ||
let mut vec = vec![in &$bump; $($x),+]; | ||
let std_vec = std::vec![$($x),+]; | ||
(vec, std_vec) | ||
}} | ||
} | ||
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macro_rules! compare_std_box { | ||
(in $bump:ident; $x:expr) => { | ||
(Box::new_in($x, &$bump), std::boxed::Box::new($x)) | ||
}; | ||
} | ||
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macro_rules! assert_eq_json { | ||
($a:ident, $b:ident) => { | ||
assert_eq!( | ||
serde_json::to_string(&$a).unwrap(), | ||
serde_json::to_string(&$b).unwrap(), | ||
) | ||
}; | ||
} | ||
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#[derive(Serialize, Deserialize, Debug, PartialEq)] | ||
#[serde(tag = "t", content = "c")] | ||
enum Test { | ||
First, | ||
Second, | ||
} | ||
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#[derive(Serialize, Deserialize, Debug, PartialEq)] | ||
#[serde()] | ||
struct Mixed { | ||
i: i32, | ||
s: String, | ||
o: Option<String>, | ||
e: Test, | ||
} | ||
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#[test] | ||
fn test_vec_serializes_str() { | ||
let bump = Bump::new(); | ||
let (vec, std_vec) = compare_std_vec![in bump; "hello", "world"]; | ||
assert_eq_json!(vec, std_vec); | ||
let de: std::vec::Vec<String> = | ||
serde_json::from_str(&serde_json::to_string(&vec).unwrap()).unwrap(); | ||
assert_eq!(de, std_vec); | ||
} | ||
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#[test] | ||
fn test_vec_serializes_f32() { | ||
let bump = Bump::new(); | ||
let (vec, std_vec) = compare_std_vec![in bump; 1.5707964, 3.1415927]; | ||
assert_eq_json!(vec, std_vec); | ||
let de: std::vec::Vec<f32> = | ||
serde_json::from_str(&serde_json::to_string(&vec).unwrap()).unwrap(); | ||
assert_eq!(de, std_vec); | ||
} | ||
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#[cfg(feature = "serde")] | ||
#[test] | ||
fn test_vec_serializes_complex() { | ||
let bump = Bump::new(); | ||
let (vec, std_vec) = compare_std_vec![ | ||
in bump; | ||
Mixed { | ||
i: 8, | ||
s: "a".into(), | ||
o: None, | ||
e: Test::Second, | ||
}, | ||
Mixed { | ||
i: 8, | ||
s: "b".into(), | ||
o: Some("some".into()), | ||
e: Test::First, | ||
} | ||
]; | ||
assert_eq_json!(vec, std_vec); | ||
let de: std::vec::Vec<Mixed> = | ||
serde_json::from_str(&serde_json::to_string(&vec).unwrap()).unwrap(); | ||
assert_eq!(de, std_vec); | ||
} | ||
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#[test] | ||
fn test_box_serializes() { | ||
let bump = Bump::new(); | ||
let (box_int, std_box_int) = compare_std_box!(in bump; 1); | ||
assert_eq_json!(box_int, std_box_int); | ||
let (box_str, std_box_str) = compare_std_box!(in bump; 1); | ||
assert_eq_json!(box_str, std_box_str); | ||
let (box_vec, std_box_vec) = compare_std_box!(in bump; std::vec!["hello", "world"]); | ||
assert_eq_json!(box_vec, std_box_vec); | ||
} | ||
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#[cfg(feature = "serde")] | ||
#[test] | ||
fn test_box_serializes_complex() { | ||
let bump = Bump::new(); | ||
let (vec, std_vec) = compare_std_box![ | ||
in bump; | ||
Mixed { | ||
i: 8, | ||
s: "a".into(), | ||
o: None, | ||
e: Test::Second, | ||
} | ||
]; | ||
assert_eq_json!(vec, std_vec); | ||
let de: std::boxed::Box<Mixed> = | ||
serde_json::from_str(&serde_json::to_string(&vec).unwrap()).unwrap(); | ||
assert_eq!(de, std_vec); | ||
} |