forked from M-Labs/nalgebra
103 lines
2.2 KiB
Rust
103 lines
2.2 KiB
Rust
use na::{Point3, Vector3, Vector4};
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use num::Zero;
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#[test]
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fn point_clone() {
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let p = Point3::new(1.0, 2.0, 3.0);
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let p2 = p.clone();
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assert_eq!(p, p2);
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}
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#[test]
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fn point_ops() {
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let a = Point3::new(1.0, 2.0, 3.0);
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let b = Point3::new(1.0, 2.0, 3.0);
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let c = Vector3::new(1.0, 2.0, 3.0);
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assert_eq!(a - b, Vector3::zero());
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assert_eq!(&a - &b, Vector3::zero());
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assert_eq!(a - &b, Vector3::zero());
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assert_eq!(&a - b, Vector3::zero());
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assert_eq!(b - c, Point3::origin());
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assert_eq!(&b - &c, Point3::origin());
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assert_eq!(b - &c, Point3::origin());
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assert_eq!(&b - c, Point3::origin());
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assert_eq!(b + c, 2.0 * a);
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assert_eq!(&b + &c, 2.0 * a);
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assert_eq!(b + &c, 2.0 * a);
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assert_eq!(&b + c, 2.0 * a);
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let mut a1 = a;
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let mut a2 = a;
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let mut a3 = a;
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let mut a4 = a;
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a1 -= c;
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a2 -= &c;
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a3 += c;
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a4 += &c;
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assert_eq!(a1, Point3::origin());
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assert_eq!(a2, Point3::origin());
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assert_eq!(a3, 2.0 * a);
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assert_eq!(a4, 2.0 * a);
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}
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#[test]
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fn point_coordinates() {
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let mut pt = Point3::origin();
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assert_eq!(pt.x, 0);
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assert_eq!(pt.y, 0);
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assert_eq!(pt.z, 0);
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pt.x = 1;
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pt.y = 2;
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pt.z = 3;
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assert_eq!(pt.x, 1);
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assert_eq!(pt.y, 2);
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assert_eq!(pt.z, 3);
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}
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#[test]
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fn point_scale() {
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let pt = Point3::new(1, 2, 3);
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let expected = Point3::new(10, 20, 30);
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assert_eq!(pt * 10, expected);
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assert_eq!(&pt * 10, expected);
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assert_eq!(10 * pt, expected);
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assert_eq!(10 * &pt, expected);
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}
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#[test]
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fn point_vector_sum() {
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let pt = Point3::new(1, 2, 3);
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let vec = Vector3::new(10, 20, 30);
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let expected = Point3::new(11, 22, 33);
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assert_eq!(&pt + &vec, expected);
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assert_eq!(pt + &vec, expected);
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assert_eq!(&pt + vec, expected);
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assert_eq!(pt + vec, expected);
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}
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#[test]
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fn to_homogeneous() {
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let a = Point3::new(1.0, 2.0, 3.0);
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let expected = Vector4::new(1.0, 2.0, 3.0, 1.0);
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assert_eq!(a.to_homogeneous(), expected);
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}
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#[cfg(feature = "arbitrary")]
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quickcheck!(
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fn point_sub(pt1: Point3<f64>, pt2: Point3<f64>) -> bool {
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let dpt = &pt2 - &pt1;
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relative_eq!(pt2, pt1 + dpt, epsilon = 1.0e-7)
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}
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);
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