nalgebra/tests/assert.rs

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//! Assertion macro tests
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#[macro_use]
extern crate nalgebra;
use nalgebra::{ApproxEq, Vec2};
#[test]
fn assert_approx_eq_f64() {
let a = 1.0f64;
let b = 1.0f64 + 1.0e-12f64;
assert_approx_eq!(a, b);
assert_approx_eq!(&a, &b);
}
#[test]
#[should_fail]
fn assert_approx_eq_vec2_f32_fail() {
let a = Vec2::new(1.0f32, 0.0);
let b = Vec2::new(1.1f32, 0.1);
assert_approx_eq!(a, b);
}
#[test]
fn assert_approx_eq_eps_f32() {
assert_approx_eq_eps!(1.0f32, 1.1, 0.2);
assert_approx_eq_eps!(&mut 1.0f32, &mut 1.1, 0.2);
}
#[test]
#[should_fail]
fn assert_approx_eq_eps_f64_fail() {
assert_approx_eq_eps!(1.0f64, 1.1, 0.05);
}
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#[test]
fn assert_approx_eq_ulps_f32() {
let x = 1000000_f32;
let y = 1000000.1_f32;
assert!(x != y);
assert_approx_eq_ulps!(x, y, 3);
assert_approx_eq_ulps!(&x, &y, 3);
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}
#[test]
#[should_fail]
fn assert_approx_eq_ulps_f32_fail() {
let x = 1000000_f32;
let y = 1000000.1_f32;
assert_approx_eq_ulps!(x, y, 2);
}
#[test]
fn assert_approx_eq_ulps_f64() {
let x = 1000000_f64;
let y = 1000000.0000000003_f64;
assert!(x != y);
assert_approx_eq_ulps!(x, y, 4);
}
#[test]
#[should_fail]
fn assert_approx_eq_ulps_f64_fail() {
let x = 1000000_f64;
let y = 1000000.0000000003_f64;
assert!(x != y);
assert_approx_eq_ulps!(x, y, 3);
}