第14回 オフラインリアルタイムどう書く http://nabetani.sakura.ne.jp/hena/ord14linedung/

battle.coffee

Weapons = ['a','c', 'e', 'g', 'i', 'k']

class Monster
  @Weak =
    'B': 'a'
    'D': 'c'
    'F': 'e'
    'H': 'g'
    'J': 'i'
    'L': 'k'

  @Treasure =
    'B': 'c'
    'D': 'e'
    'F': 'g'
    'H': 'i'
    'J': 'k'
    'L': 'a'
  constructor: (name)->
    @name = name
    @alive = true
    @

  fight: (equipments)->
    if Monster.Weak[@name] in equipments
      @alive = false
      Monster.Treasure[@name]


Battle =
  'Weapons': Weapons
  'Monster': Monster
  'fight': (field)->
    equipments = []
    monsters = []
    for some in field.split("")
      if some in Weapons
        equipments.push(some)
      else
        monsters.push(new Monster(some))

    total_won = null
    num == 0
    while total_won == null || num != 0
      num = 0
      for monster in monsters
        if monster.alive
          result = monster.fight(equipments)
          if result
            num += 1
            equipments.push(result)
      total_won = if total_won  then total_won + num else num
    total_won

if typeof window == 'undefined'
  module.exports = Battle

test_battle.js

require('../test_helper.js');
var Battle = require('../battle.js');

var Data = {
  gLDLBgBgHDaD: 6,
  DBcDLaLgDBH: 6,
  JJca: 0,
  FJDLBH: 0,
  HJBLFDg: 6,
  HBaDLFJ: 6,
  DJaHLB: 2,
  gDLHJF: 3,
  cJFgLHD: 5,
  FFBJaJJ: 1,
  FJeJFBJ: 2,
  iJFFJJB: 3,
  JBJiLFJF: 5,
  JDiFLFBJJ: 8,
  BDFDFFDFFLLFFJFDBFDFFFFDDFaDBFFB: 28,
  DDFBFcBDFFFFFFLBFDFFBFLFDFDJDFDF: 24,
  FDLBFDDBFFFeFFFFFDFBLDDFDDFBFFJF: 16,
  FDBFFLFDFFDBBDFFBJDLFgDFFFDFFDFF: 0,
  FDiFLDFFFFBDDJDDBFBFDFFFBFFDFLFF: 31,
  FDFDJBLBLBFFDDFFFDFFFFFDDFBkFDFF: 30,
  HBkFFFFHBLH: 3,
  FBHHFFFHLaB: 2,
  LFHFBBcHFHF: 0,
  LFBHFFeFHBH: 7,
  LgFHHHBFBFF: 3,
  FFiFHBHLBFH: 0,
  BFHHFFHBeFLk: 10,
  FHFaBBHFHLFg: 5,
  FFgacaFg: 0,
  JHDaDcBJiiHccBHDBDH: 9,
  FHJJLckFckFJHDFF: 12,
  DeDHJHDFHJBLHDLLDHJLBDD: 22,
  gJLLLJgJgJLJL: 0,
  DaaaDDD: 0,
  HFeJFHiBiiBJeJBBFFB: 9,
  FJFFJDBHBHaLJBHJHDLHkLLLFFFgJgHJLHkJkB: 32,
  giFLBiBJLLJgHBFJigJJJBLHFLDLL: 23,
  cgkLJcLJJJJgJc: 2,
  LDFHJHcFBDBLJBLFLcFJcDFBL: 22,
  JJHHHkHJkHLJk: 1,
  kHHBBaBgHagHgaHBBB: 11,
  HDBFFDHHHDFLDcHHLFDcJD: 20,
  HFFFHeFFee: 7,
  gLLDHgDLgFL: 1,
  JJJBBaBBHBBHaLBHJ: 7,
  FBFBgJBDBDgF: 0,
  LLLLakakLakLL: 7,
  HeJHeJe: 0,
  LDFLBLLeBLDBBFFBLFBB: 4,
}

QUnit.test('monster', function() {
  QUnit.expect(2);
  m = new Battle.Monster('B');
  QUnit.equal(m.fight(['a']),Battle.Monster.Treasure['B'])
  QUnit.equal(m.fight(['c']),null)
});

QUnit.test('battle', function() {
  QUnit.expect(Object.keys(Data).length);
  for(var battle in Data){
    QUnit.equal(Battle.fight(battle),Data[battle]);
  }
});