nalgebra/tests/core/serde.rs

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#![cfg(feature = "serde-serialize")]
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use na::{
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DMatrix, Isometry3, IsometryMatrix3, Matrix3x4, Point3, Quaternion, Rotation3, Similarity3,
SimilarityMatrix3, Translation3, Unit,
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};
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use rand;
use serde_json;
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macro_rules! test_serde(
($($test: ident, $ty: ident);* $(;)*) => {$(
#[test]
fn $test() {
let v: $ty<f32> = rand::random();
let serialized = serde_json::to_string(&v).unwrap();
assert_eq!(v, serde_json::from_str(&serialized).unwrap());
}
)*}
);
#[test]
fn serde_dmatrix() {
let v: DMatrix<f32> = DMatrix::new_random(3, 4);
let serialized = serde_json::to_string(&v).unwrap();
assert_eq!(v, serde_json::from_str(&serialized).unwrap());
}
test_serde!(
serde_matrix3x4, Matrix3x4;
serde_point3, Point3;
serde_translation3, Translation3;
serde_rotation3, Rotation3;
serde_isometry3, Isometry3;
serde_isometry_matrix3, IsometryMatrix3;
serde_similarity3, Similarity3;
serde_similarity_matrix3, SimilarityMatrix3;
serde_quaternion, Quaternion;
);
#[test]
fn serde_flat() {
// The actual storage is hidden behind three layers of wrapper types that shouldn't appear in serialized form.
let v = Unit::new_normalize(Quaternion::new(0., 0., 0., 1.));
let serialized = serde_json::to_string(&v).unwrap();
assert_eq!(serialized, "[0.0,0.0,1.0,0.0]");
}