#[cfg(test)]
mod test {
use crate::test::utils::*;
use crate::vector::*;
use crate::{vector2, vector3};
#[test]
fn get_squared_length() {
let new_vector = vector2::Vector2 { x: 3.0, y: 4.0 };
let tar: f32 = 25.0;
let res = new_vector.get_squared_length();
assert_approx_eq!(tar, res);
}
#[test]
fn get_length() {
let new_vector = vector2::Vector2 { x: 3.0, y: 4.0 };
let tar: f32 = 5.0;
let res = new_vector.get_length();
assert_approx_eq!(tar, res);
}
#[test]
fn inner_product() {
let new_vector_1 = vector2::Vector2 { x: 3.0, y: 4.0 };
let new_vector_2 = vector2::Vector2 { x: 3.0, y: 7.0 };
let tar: f32 = 37.0;
let res = new_vector_1.inner_product(&new_vector_2);
assert_approx_eq!(tar, res);
}
#[test]
fn outer_product() {
let new_vector_1 = vector2::Vector2 { x: 3.0, y: 4.0 };
let new_vector_2 = vector2::Vector2 { x: 3.0, y: 7.0 };
let tar_vector = vector3::Vector3 {
x: 0.0,
y: 0.0,
z: 9.0,
};
let res_vector = new_vector_1.outer_product(&new_vector_2);
assert_vector3_approx_eq(&tar_vector, &res_vector);
}
#[test]
fn scale_3() {
let new_vector = vector2::Vector2 { x: 3.0, y: 4.0 };
let tar_vector = vector2::Vector2 { x: 9.0, y: 12.0 };
let res_vector = new_vector.scale(3.0);
assert_vector2_approx_eq(&tar_vector, &res_vector);
}
#[test]
fn negate() {
let new_vector = vector2::Vector2 { x: 3.0, y: 4.0 };
let tar_vector = vector2::Vector2 { x: -3.0, y: -4.0 };
let res_vector = new_vector.negate();
assert_vector2_approx_eq(&tar_vector, &res_vector);
assert_approx_eq!(tar_vector.get_length(), res_vector.get_length());
}
#[test]
fn add() {
let new_vector_1 = vector2::Vector2 { x: 3.0, y: 4.0 };
let new_vector_2 = vector2::Vector2 { x: 3.0, y: 7.0 };
let tar_vector = vector2::Vector2 { x: 6.0, y: 11.0 };
let res_vector = new_vector_1 + new_vector_2;
assert_vector2_approx_eq(&tar_vector, &res_vector);
}
#[test]
fn sub() {
let new_vector_1 = vector2::Vector2 { x: 3.0, y: 4.0 };
let new_vector_2 = vector2::Vector2 { x: 3.0, y: 7.0 };
let tar_vector = vector2::Vector2 { x: 0.0, y: -3.0 };
let res_vector = new_vector_1 - new_vector_2;
assert_vector2_approx_eq(&tar_vector, &res_vector);
}
#[test]
fn normalize() {
let new_vector = vector2::Vector2 { x: 3.0, y: 4.0 };
let tar_vector = vector2::Vector2 { x: 0.6, y: 0.8 };
let res_vector = new_vector.normalize();
assert_vector2_approx_eq(&tar_vector, &res_vector);
assert_approx_eq!(1.0, res_vector.get_length());
}
}