libutils 5.16.23

//^
//^ HEAD
//^

//> HEAD -> API
use libutils::array::Array;

//> HEAD -> CORE
use core::hash::{
    Hash,
    Hasher
};

//> HEAD -> STD
use std::hash::DefaultHasher;


//^
//^ TESTS
//^

//> TESTS -> PUSHPOP
#[test]
fn pushpop() -> () {
    let mut new = Array::<u8, 5>::new();
    new.push(0);
    new.push(1);
    new.push(2);
    new.push(3);
    new.push(4);
    new.pop();
    new.push(5);
    assert_eq!(new.as_ref(), &[0, 1, 2, 3, 5]);
}

//> TESTS -> PUSHPANIC
#[test]
#[should_panic]
fn pushpanic() -> () {
    let mut new = Array::<u8, 1>::new();
    new.push(0);
    new.push(1);
}

//> TESTS -> NONEPOP
#[test]
fn nonepop() -> () {
    let mut new = Array::<u8, 1>::from([2]);
    assert_eq!(new.pop(), Some(2));
    assert_eq!(None, new.pop());
}

//> TESTS -> LEN
#[test]
fn len() -> () {
    let mut new = Array::<u8, 5>::new();
    new.push(0);
    new.push(1);
    assert_eq!(new.len(), 2);
    new.pop();
    assert_eq!(new.len(), 1);
    new.extend([1, 2, 3]);
    assert_eq!(new.len(), 4);
}

//> TESTS -> CLEAR
#[test]
fn clear() -> () {
    let mut new = Array::<u8, 5>::from([1, 2, 3]);
    new.clear();
    assert_eq!(new.len(), 0);
}

//> TESTS -> DROP
#[test]
#[should_panic]
fn drop() -> () {
    struct Guard;
    impl Drop for Guard {
        fn drop(&mut self) {
            panic!();
        }
    }
    let _ = Array::<Guard, 1>::from([Guard]);
}

//> TESTS -> GET
#[test]
fn get() -> () {
    let mut array = Array::<u8, 3>::from([1, 2, 3]);
    assert_eq!(Some(&1), array.get(0));
    assert_eq!(Some(&mut 2), array.get_mut(1));
    assert_eq!(None, array.get(4));
}

//> TESTS -> HASH
#[test]
fn hash() -> () {
    let array = Array::<u8, 3>::from([1, 2, 3]);
    let mut hasher = DefaultHasher::new();
    let mut comparison = DefaultHasher::new();
    array.hash(&mut hasher);
    array.as_ref().hash(&mut comparison);
    assert_eq!(hasher.finish(), comparison.finish());
}

//> TESTS -> INTOITER
#[test]
fn intoiter() -> () {
    let initial = [1, 2, 3];
    let array = Array::<u8, 3>::from(initial.clone());
    assert_eq!(array.into_iter().collect::<Vec<u8>>(), initial.into_iter().collect::<Vec<u8>>());
}

//> TESTS -> ITER
#[test]
fn iter() -> () {
    let initial = [1, 2, 3];
    let array = Array::<u8, 3>::from(initial.clone());
    assert_eq!(array.iter().collect::<Vec<&u8>>(), initial.iter().collect::<Vec<&u8>>());
}

//> TESTS -> EQ
#[test]
fn eq() -> () {
    let initial = [1, 2, 3];
    let array = Array::<u8, 3>::from(initial.clone());
    assert_eq!(array.as_ref(), initial);
}

//> TESTS -> ORD
#[test]
fn ord() -> () {
    let initial = [1, 2, 3];
    let array = Array::<u8, 3>::from(initial.clone());
    assert_eq!(array.as_ref().cmp(&initial), initial.as_slice().cmp(array.as_ref()));
}

//> HEAD -> INSERT
#[test]
fn insert() -> () {
    let mut array = Array::<u8, 6>::from([1, 2, 3]);
    array.insert(0, 0);
    assert_eq!(array.as_ref(), [0, 1, 2, 3]);
    array.insert(1, 4);
    assert_eq!(array.as_ref(), [0, 4, 1, 2, 3]);
    array.insert(5, 0);
    assert_eq!(array.as_ref(), [0, 4, 1, 2, 3, 0]);
}

//> HEAD -> INSERTNOLENGTH
#[test]
#[should_panic]
fn insertnolength() -> () {
    let mut array = Array::<u8, 6>::from([1, 2, 3]);
    array.insert(5, 0);
}

//> HEAD -> INSERTNOCAP
#[test]
#[should_panic]
fn insertnocap() -> () {
    let mut array = Array::<u8, 3>::from([1, 2, 3]);
    array.insert(3, 0);
}

//> HEAD -> REMOVE
#[test]
fn remove() -> () {
    let mut array = Array::<u8, 3>::from([1, 2, 3]);
    array.remove(1);
    assert_eq!(array.as_ref(), [1, 3]);
    array.remove(0);
    assert_eq!(array.as_ref(), [3]);
}

//> HEAD -> REMOVENOLENGTH
#[test]
#[should_panic]
fn removenolength() -> () {
    let mut array = Array::<u8, 5>::new();
    array.remove(0);
}

//> HEAD -> REMOVENOCAP
#[test]
#[should_panic]
fn removenocap() -> () {
    let mut array = Array::<u8, 7>::from([1, 2, 3]);
    array.remove(5);
}