/*
 * Copyright (c) 2022 Janosch Reppnow <janoschre+rust@gmail.com>.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#[crossroads::crossroads]
#[test]
fn empty() {
    use std::collections::HashMap;

    // Note: There is a version of this function, empty_by_default, which does not
    // mutably access this value.. Unfortunately, there is not easy way to prevent warnings
    // like these.
    #[allow(unused_mut)]
    let mut map = HashMap::<String, usize>::default();

    match fork!() {
        by_default => {}
        after_add => {
            map.insert("Key".to_owned(), 1337);
            match fork!() {
                and_remove => map.remove("Key"),
                and_clear => map.clear(),
            };
        }
    }

    assert!(map.is_empty());
}