nil-core 0.5.5

Multiplayer strategy game
Documentation 
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// Copyright (C) Call of Nil contributors
// SPDX-License-Identifier: AGPL-3.0-only

use crate::city::{City, CityName};
use crate::continent::{Continent, ContinentSize, Coord};
use crate::npc::precursor::A;
use std::ops::Not;

#[test]
fn field() {
  each_coord(100, |continent, coord| {
    assert!(continent.field(coord).is_ok());
  });
}

#[test]
fn center() {
  let mut continent = Continent::new(100);
  assert_eq!(continent.center(), Coord::splat(50));

  continent = Continent::new(200);
  assert_eq!(continent.center(), Coord::splat(100));
}

#[test]
fn coord_splat() {
  let coord = Coord::splat(100);
  assert_eq!(coord.x(), coord.y());
  assert_eq!(coord, Coord::new(100, 100));
}

#[test]
fn is_within_continent() {
  let size = ContinentSize::new(100);
  assert!(Coord::splat(0).is_within_continent(size));
  assert!(Coord::splat(25).is_within_continent(size));
  assert!(Coord::splat(50).is_within_continent(size));
  assert!(Coord::splat(99).is_within_continent(size));
  assert!(!Coord::splat(100).is_within_continent(size));
}

#[test]
fn search_city() {
  let mut continent = Continent::default();
  let size = continent.size();
  let coord = Coord::splat(0);

  macro_rules! has {
    ($value:expr) => {{ !continent.search($value).unwrap().is_empty() }};
  }

  let field = continent.field_mut(coord).unwrap();
  *field = City::builder(coord)
    .name("Rio de Janeiro")
    .owner(&A::new(size))
    .build()
    .into();

  assert!(has!(coord));
  assert!(has!(CityName::new("rio de janeiro")));
  assert!(has!(CityName::new("rio")));
  assert!(has!(CityName::new("Janeiro")));

  assert!(has!(Coord::splat(5)).not());
  assert!(has!(CityName::new("埼玉")).not());
}

fn each_coord(size: u8, f: impl Fn(&mut Continent, Coord)) {
  assert!(size >= ContinentSize::MIN.get());
  let mut continent = Continent::new(size);
  (0..size).into_iter().for_each(|x| {
    (0..size).into_iter().for_each(|y| {
      f(&mut continent, Coord::new(x, y));
    });
  })
}