collections.rs

use std::collections::HashMap;
use weirdboi_utils::hashmap;

#[test]
fn it_creates_empty_hashmap() {
    let empty: HashMap<(), ()> = hashmap!();
    assert!(empty.is_empty());
    assert_eq!(empty.capacity(), 0);
}

#[test]
fn it_infers_hashmap_types() {
    let map = hashmap! {
        "ffoo" => 123usize,
    };

    assert_eq!(map.len(), 1);
    assert_eq!(map.get("ffoo"), Some(&123));
}

#[test]
fn it_creates_hashmap_with_capacity() {
    let map = hashmap! {
        "foo" => 123,
        "bar" => 456,
        "baz" => 789; 
        capacity: 32
    };

    assert_eq!(map.len(), 3);
    assert!(map.capacity() >= 32);
}