#![cfg(feature = "full")]
use qubit_function::comparator::{
ArcComparator,
BoxComparator,
Comparator,
RcComparator,
};
use std::cmp::Ordering;
#[cfg(test)]
mod closure_tests {
use super::{
Comparator,
Ordering,
};
#[test]
fn test_closure_as_comparator() {
let cmp = |a: &i32, b: &i32| a.cmp(b);
assert_eq!(cmp.compare(&5, &3), Ordering::Greater);
assert_eq!(cmp.compare(&3, &5), Ordering::Less);
assert_eq!(cmp.compare(&5, &5), Ordering::Equal);
}
#[test]
fn test_closure_into_box() {
let cmp = |a: &i32, b: &i32| a.cmp(b);
let boxed = qubit_function::comparator::BoxComparator::new(cmp);
assert_eq!(boxed.compare(&5, &3), Ordering::Greater);
}
#[test]
fn test_closure_into_rc() {
let cmp = |a: &i32, b: &i32| a.cmp(b);
let rc = qubit_function::comparator::RcComparator::new(cmp);
assert_eq!(rc.compare(&5, &3), Ordering::Greater);
}
#[test]
fn test_closure_into_arc() {
let cmp = |a: &i32, b: &i32| a.cmp(b);
let arc = qubit_function::comparator::ArcComparator::new(cmp);
assert_eq!(arc.compare(&5, &3), Ordering::Greater);
}
#[test]
fn test_closure_into_fn() {
let cmp = |a: &i32, b: &i32| a.cmp(b);
let func = move |first: &i32, second: &i32| cmp.compare(first, second);
assert_eq!(func(&5, &3), Ordering::Greater);
}
}