// Copyright 2012 Twitter, Inc
// http://www.apache.org/licenses/LICENSE-2.0

var TwitterCldr = require('../../../lib/assets/javascripts/twitter_cldr/en.js');

describe("DateTimeFormatter", function() {
  beforeEach(function() {
    formatter = new TwitterCldr.DateTimeFormatter();
  });

  describe("#day", function() {
    it("test: pattern d", function() {
      expect(formatter.day(new Date(2010, 0, 1), 'd', 1)).toEqual('1');
      expect(formatter.day(new Date(2010, 0, 10), 'd', 1)).toEqual('10');
    });

    it("test: pattern dd", function() {
      expect(formatter.day(new Date(2010, 0, 1), 'dd', 2)).toEqual('01');
      expect(formatter.day(new Date(2010, 0, 10), 'dd', 2)).toEqual('10');
    });
  });

  describe("#weekday_local_stand_alone", function() {
    it("test: pattern c", function() {
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 4), 'c', 1)).toEqual('1');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 5), 'c', 1)).toEqual('2');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 10), 'c', 1)).toEqual('7');
    });

    it("test: pattern cc", function() {
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 4), 'cc', 2)).toEqual('Mon');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 5), 'cc', 2)).toEqual('Tue');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 10), 'cc', 2)).toEqual('Sun');
    });

    it("test: pattern ccc", function() {
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 4), 'ccc', 3)).toEqual('Mon');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 5), 'ccc', 3)).toEqual('Tue');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 10), 'ccc', 3)).toEqual('Sun');
    });

    it("test: pattern cccc", function() {
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 4), 'cccc', 4)).toEqual('Monday');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 5), 'cccc', 4)).toEqual('Tuesday');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 10), 'cccc', 4)).toEqual('Sunday');
    });

    it("test: pattern ccccc", function() {
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 4), 'ccccc', 5)).toEqual('M');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 5), 'ccccc', 5)).toEqual('T');
      expect(formatter.weekday_local_stand_alone(new Date(2010, 0, 10), 'ccccc', 5)).toEqual('S');
    });
  });

  describe("#weekday_local", function() {
    it("test: pattern e", function() {
      expect(formatter.weekday_local(new Date(2010, 0, 4), 'e', 1)).toEqual('1');
      expect(formatter.weekday_local(new Date(2010, 0, 5), 'e', 1)).toEqual('2');
      expect(formatter.weekday_local(new Date(2010, 0, 10), 'e', 1)).toEqual('7');
    });

    it("test: pattern ee", function() {
      expect(formatter.weekday_local(new Date(2010, 0, 4), 'ee', 2)).toEqual('1');
      expect(formatter.weekday_local(new Date(2010, 0, 5), 'ee', 2)).toEqual('2');
      expect(formatter.weekday_local(new Date(2010, 0, 10), 'ee', 2)).toEqual('7');
    });

    it("test: pattern eee", function() {
      expect(formatter.weekday_local(new Date(2010, 0, 4), 'eee', 3)).toEqual('Mon');
      expect(formatter.weekday_local(new Date(2010, 0, 5), 'eee', 3)).toEqual('Tue');
      expect(formatter.weekday_local(new Date(2010, 0, 10), 'eee', 3)).toEqual('Sun');
    });

    it("test: pattern eeee", function() {
      expect(formatter.weekday_local(new Date(2010, 0, 4), 'eeee', 4)).toEqual('Monday');
      expect(formatter.weekday_local(new Date(2010, 0, 5), 'eeee', 4)).toEqual('Tuesday');
      expect(formatter.weekday_local(new Date(2010, 0, 10), 'eeee', 4)).toEqual('Sunday');
    });

    it("test: pattern eeeee", function() {
      expect(formatter.weekday_local(new Date(2010, 0, 4), 'eeeee', 5)).toEqual('M');
      expect(formatter.weekday_local(new Date(2010, 0, 5), 'eeeee', 5)).toEqual('T');
      expect(formatter.weekday_local(new Date(2010, 0, 10), 'eeeee', 5)).toEqual('S');
    });
  });

  describe("#weekday", function() {
    it("test: pattern E, EE, EEE", function() {
      expect(formatter.weekday(new Date(2010, 0, 1), 'E', 1)).toEqual('Fri');
      expect(formatter.weekday(new Date(2010, 0, 1), 'EE', 2)).toEqual('Fri');
      expect(formatter.weekday(new Date(2010, 0, 1), 'EEE', 3)).toEqual('Fri');
    });

    it("test: pattern EEEE", function() {
      expect(formatter.weekday(new Date(2010, 0, 1), 'EEEE', 4)).toEqual('Friday');
    });

    it("test: pattern EEEEE", function() {
      expect(formatter.weekday(new Date(2010, 0, 1), 'EEEEE', 5)).toEqual('F');
    });
  });

  describe("#hour", function() {
    it("test: h", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'h', 1)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'h', 1)).toEqual('1');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'h', 1)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'h', 1)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'h', 1)).toEqual('11');
    });

    it("test: hh", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'hh', 2)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'hh', 2)).toEqual('01');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'hh', 2)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'hh', 2)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'hh', 2)).toEqual('11');
    });

    it("test: H", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'H', 1)).toEqual('0');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'H', 1)).toEqual('1');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'H', 1)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'H', 1)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'H', 1)).toEqual('23');
    });

    it("test: HH", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'HH', 2)).toEqual('00');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'HH', 2)).toEqual('01');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'HH', 2)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'HH', 2)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'HH', 2)).toEqual('23');
    });

    it("test: K", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'K', 1)).toEqual('0');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'K', 1)).toEqual('1');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'K', 1)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'K', 1)).toEqual('0');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'K', 1)).toEqual('11');
    });

    it("test: KK", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'KK', 2)).toEqual('00');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'KK', 2)).toEqual('01');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'KK', 2)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'KK', 2)).toEqual('00');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'KK', 2)).toEqual('11');
    });

    it("test: k", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'k', 1)).toEqual('24');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'k', 1)).toEqual('1');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'k', 1)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'k', 1)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'k', 1)).toEqual('23');
    });

    it("test: kk", function() {
      expect(formatter.hour(new Date(2000, 0, 1, 0, 1, 1), 'kk', 2)).toEqual('24');
      expect(formatter.hour(new Date(2000, 0, 1, 1, 1, 1), 'kk', 2)).toEqual('01');
      expect(formatter.hour(new Date(2000, 0, 1, 11, 1, 1), 'kk', 2)).toEqual('11');
      expect(formatter.hour(new Date(2000, 0, 1, 12, 1, 1), 'kk', 2)).toEqual('12');
      expect(formatter.hour(new Date(2000, 0, 1, 23, 1, 1), 'kk', 2)).toEqual('23');
    });
  });

  describe("#minute", function() {
    it("test: m", function() {
      expect(formatter.minute(new Date(2000, 0, 1, 1, 1, 1), 'm', 1)).toEqual('1');
      expect(formatter.minute(new Date(2000, 0, 1, 1, 11, 1), 'm', 1)).toEqual('11');
    });

    it("test: mm", function() {
      expect(formatter.minute(new Date(2000, 0, 1, 1, 1, 1), 'mm', 2)).toEqual('01');
      expect(formatter.minute(new Date(2000, 0, 1, 1, 11, 1), 'mm', 2)).toEqual('11');
    });
  });

  // NOTE: months in JavaScript are zero-based, meaning Jan = 0, Dec = 11
  describe("#month", function() {
    it("test: pattern M", function() {
      expect(formatter.month(new Date(2010, 0, 1), 'M', 1)).toEqual('1');
      expect(formatter.month(new Date(2010, 9, 1), 'M', 1)).toEqual('10');
    });

    it("test: pattern MM", function() {
      expect(formatter.month(new Date(2010, 0, 1), 'MM', 2)).toEqual('01');
      expect(formatter.month(new Date(2010, 9, 1), 'MM', 2)).toEqual('10');
    });

    it("test: pattern MMM", function() {
      expect(formatter.month(new Date(2010, 0, 1), 'MMM', 3)).toEqual('Jan');
      expect(formatter.month(new Date(2010, 9, 1), 'MMM', 3)).toEqual('Oct');
    });

    it("test: pattern MMMM", function() {
      expect(formatter.month(new Date(2010, 0, 1), 'MMMM', 4)).toEqual('January');
      expect(formatter.month(new Date(2010, 9, 1), 'MMMM', 4)).toEqual('October');
    });

    it("test: pattern L", function() {
      expect(formatter.month(new Date(2010, 0, 1), 'L', 1)).toEqual('1');
      expect(formatter.month(new Date(2010, 9, 1), 'L', 1)).toEqual('10');
    });

    it("test: pattern LL", function() {
      expect(formatter.month(new Date(2010, 0, 1), 'LL', 2)).toEqual('01');
      expect(formatter.month(new Date(2010, 9, 1), 'LL', 2)).toEqual('10');
    });
  });

  describe("#period", function() {
    it("test: a", function() {
      expect(formatter.period(new Date(2000, 0, 1, 1, 1, 1), 'a', 1)).toEqual('AM');
      expect(formatter.period(new Date(2000, 0, 1, 15, 1, 1), 'a', 1)).toEqual('PM');
    });
  });

  describe("#quarter", function() {
    it("test: pattern Q", function() {
      expect(formatter.quarter(new Date(2010, 0, 1), 'Q', 1)).toEqual('1');
      expect(formatter.quarter(new Date(2010, 2, 31), 'Q', 1)).toEqual('1');
      expect(formatter.quarter(new Date(2010, 3, 1), 'Q', 1)).toEqual('2');
      expect(formatter.quarter(new Date(2010, 5, 30), 'Q', 1)).toEqual('2');
      expect(formatter.quarter(new Date(2010, 6, 1), 'Q', 1)).toEqual('3');
      expect(formatter.quarter(new Date(2010, 8, 30), 'Q', 1)).toEqual('3');
      expect(formatter.quarter(new Date(2010, 9, 1), 'Q', 1)).toEqual('4');
      expect(formatter.quarter(new Date(2010, 11, 31), 'Q', 1)).toEqual('4');
    });

    it("test: pattern QQ", function() {
      expect(formatter.quarter(new Date(2010, 0, 1), 'QQ', 2)).toEqual('01');
      expect(formatter.quarter(new Date(2010, 2, 31), 'QQ', 2)).toEqual('01');
      expect(formatter.quarter(new Date(2010, 3, 1), 'QQ', 2)).toEqual('02');
      expect(formatter.quarter(new Date(2010, 5, 30), 'QQ', 2)).toEqual('02');
      expect(formatter.quarter(new Date(2010, 6, 1), 'QQ', 2)).toEqual('03');
      expect(formatter.quarter(new Date(2010, 8, 30), 'QQ', 2)).toEqual('03');
      expect(formatter.quarter(new Date(2010, 9, 1), 'QQ', 2)).toEqual('04');
      expect(formatter.quarter(new Date(2010, 11, 31), 'QQ', 2)).toEqual('04');
    });

    it("test: pattern QQQ", function() {
      expect(formatter.quarter(new Date(2010, 0, 1), 'QQQ', 3)).toEqual('Q1');
      expect(formatter.quarter(new Date(2010, 2, 31), 'QQQ', 3)).toEqual('Q1');
      expect(formatter.quarter(new Date(2010, 3, 1), 'QQQ', 3)).toEqual('Q2');
      expect(formatter.quarter(new Date(2010, 5, 30), 'QQQ', 3)).toEqual('Q2');
      expect(formatter.quarter(new Date(2010, 6, 1), 'QQQ', 3)).toEqual('Q3');
      expect(formatter.quarter(new Date(2010, 8, 30), 'QQQ', 3)).toEqual('Q3');
      expect(formatter.quarter(new Date(2010, 9, 1), 'QQQ', 3)).toEqual('Q4');
      expect(formatter.quarter(new Date(2010, 11, 31), 'QQQ', 3)).toEqual('Q4');
    });

    it("test: pattern QQQQ", function() {
      expect(formatter.quarter(new Date(2010, 0, 1), 'QQQQ', 4)).toEqual('1st quarter');
      expect(formatter.quarter(new Date(2010, 2, 31), 'QQQQ', 4)).toEqual('1st quarter');
      expect(formatter.quarter(new Date(2010, 3, 1), 'QQQQ', 4)).toEqual('2nd quarter');
      expect(formatter.quarter(new Date(2010, 5, 30), 'QQQQ', 4)).toEqual('2nd quarter');
      expect(formatter.quarter(new Date(2010, 6, 1), 'QQQQ', 4)).toEqual('3rd quarter');
      expect(formatter.quarter(new Date(2010, 8, 30), 'QQQQ', 4)).toEqual('3rd quarter');
      expect(formatter.quarter(new Date(2010, 9, 1), 'QQQQ', 4)).toEqual('4th quarter');
      expect(formatter.quarter(new Date(2010, 11, 31), 'QQQQ', 4)).toEqual('4th quarter');
    });

    it("test: pattern q", function() {
      expect(formatter.quarter(new Date(2010, 0, 1), 'q', 1)).toEqual('1');
      expect(formatter.quarter(new Date(2010, 2, 31), 'q', 1)).toEqual('1');
      expect(formatter.quarter(new Date(2010, 3, 1), 'q', 1)).toEqual('2');
      expect(formatter.quarter(new Date(2010, 5, 30), 'q', 1)).toEqual('2');
      expect(formatter.quarter(new Date(2010, 6, 1), 'q', 1)).toEqual('3');
      expect(formatter.quarter(new Date(2010, 8, 30), 'q', 1)).toEqual('3');
      expect(formatter.quarter(new Date(2010, 9, 1), 'q', 1)).toEqual('4');
      expect(formatter.quarter(new Date(2010, 11, 31), 'q', 1)).toEqual('4');
    });

    it("test: pattern qq", function() {
      expect(formatter.quarter(new Date(2010, 0, 1), 'qq', 2)).toEqual('01');
      expect(formatter.quarter(new Date(2010, 2, 31), 'qq', 2)).toEqual('01');
      expect(formatter.quarter(new Date(2010, 3, 1), 'qq', 2)).toEqual('02');
      expect(formatter.quarter(new Date(2010, 5, 30), 'qq', 2)).toEqual('02');
      expect(formatter.quarter(new Date(2010, 6, 1), 'qq', 2)).toEqual('03');
      expect(formatter.quarter(new Date(2010, 8, 30), 'qq', 2)).toEqual('03');
      expect(formatter.quarter(new Date(2010, 9, 1), 'qq', 2)).toEqual('04');
      expect(formatter.quarter(new Date(2010, 11, 31), 'qq', 2)).toEqual('04');
    });
  });

  describe("#second", function() {
    it("test: s", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 's', 1)).toEqual('1');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 11), 's', 1)).toEqual('11');
    });

    it("test: ss", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 'ss', 2)).toEqual('01');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 11), 'ss', 2)).toEqual('11');
    });

    it("test: S", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 0), 'S', 1)).toEqual('0');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 'S', 1)).toEqual('1');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 18), 'S', 1)).toEqual('18');
    });

    it("test: SS", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 0), 'SS', 2)).toEqual('00');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 'SS', 2)).toEqual('01');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 8), 'SS', 2)).toEqual('08');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 21), 'SS', 2)).toEqual('21');
    });

    it("test: SSS", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 0), 'SSS', 3)).toEqual('000');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 'SSS', 3)).toEqual('001');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 8), 'SSS', 3)).toEqual('008');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 21), 'SSS', 3)).toEqual('021');
    });

    it("test: SSSS", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 0), 'SSSS', 4)).toEqual('0000');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 'SSSS', 4)).toEqual('0001');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 8), 'SSSS', 4)).toEqual('0008');
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 21), 'SSSS', 4)).toEqual('0021');
    });

    it("test: SSSSS", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 'SSSSS', 5)).toEqual('00001')
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 8), 'SSSSS', 5)).toEqual('00008')
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 21), 'SSSSS', 5)).toEqual('00021')
    });

    it("test: SSSSSS", function() {
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 1), 'SSSSSS', 6)).toEqual('000001')
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 8), 'SSSSSS', 6)).toEqual('000008')
      expect(formatter.second(new Date(2000, 0, 1, 1, 1, 21), 'SSSSSS', 6)).toEqual('000021')
    });
  });

  describe("#timezone", function() {
    beforeEach(function() {
      date = new Date(2000, 0, 1, 1, 1, 1);
    });

    it("test: z, zz, zzz", function() {
      expect(formatter.timezone(date, 'z', 1)).toMatch(/^(-|\+)\d{2}:\d{2}$/);
      expect(formatter.timezone(date, 'zz', 2)).toMatch(/^(-|\+)\d{2}:\d{2}$/);
      expect(formatter.timezone(date, 'zzz', 3)).toMatch(/^(-|\+)\d{2}:\d{2}$/);
      expect(formatter.timezone(date, 'zzzz', 4)).toMatch(/^UTC(-|\+)\d{2}:\d{2}$/);
    });
  });

  // javascript handles dates differently than Ruby does, hence why this spec expects different results than it's Ruby counterpart
  // eg. new Date(5, 0).getFullYear() == 1905
  describe("#year", function() {
    it("test: pattern y", function() {
      expect(formatter.year(new Date(5, 0, 1), 'y', 1)).toEqual('1905');
      expect(formatter.year(new Date(45, 0, 1), 'y', 1)).toEqual('1945');
      expect(formatter.year(new Date(345, 0, 1), 'y', 1)).toEqual('345');
      expect(formatter.year(new Date(2345, 0, 1), 'y', 1)).toEqual('2345');
      expect(formatter.year(new Date(12345, 0, 1), 'y', 1)).toEqual('12345');
    });

    it("test: pattern yy", function() {
      expect(formatter.year(new Date(5, 0, 1), 'yy', 2)).toEqual('05');
      expect(formatter.year(new Date(45, 0, 1), 'yy', 2)).toEqual('45');
      expect(formatter.year(new Date(345, 0, 1), 'yy', 2)).toEqual('45');
      expect(formatter.year(new Date(2345, 0, 1), 'yy', 2)).toEqual('45');
      expect(formatter.year(new Date(12345, 0, 1), 'yy', 2)).toEqual('45');
    });

    it("test: pattern yyy", function() {
      expect(formatter.year(new Date(5, 0, 1), 'yyy', 3)).toEqual('905');
      expect(formatter.year(new Date(45, 0, 1), 'yyy', 3)).toEqual('945');
      expect(formatter.year(new Date(345, 0, 1), 'yyy', 3)).toEqual('345');
      expect(formatter.year(new Date(2345, 0, 1), 'yyy', 3)).toEqual('345');
      expect(formatter.year(new Date(12345, 0, 1), 'yyy', 3)).toEqual('345');
    });

    it("test: pattern yyyy", function() {
      expect(formatter.year(new Date(5, 0, 1), 'yyyy', 4)).toEqual('1905');
      expect(formatter.year(new Date(45, 0, 1), 'yyyy', 4)).toEqual('1945');
      expect(formatter.year(new Date(345, 0, 1), 'yyyy', 4)).toEqual('0345');
      expect(formatter.year(new Date(2345, 0, 1), 'yyyy', 4)).toEqual('2345');
      expect(formatter.year(new Date(12345, 0, 1), 'yyyy', 4)).toEqual('2345');
    });

    it("test: pattern yyyyy", function() {
      expect(formatter.year(new Date(5, 0, 1), 'yyyyy', 5)).toEqual('01905');
      expect(formatter.year(new Date(45, 0, 1), 'yyyyy', 5)).toEqual('01945');
      expect(formatter.year(new Date(345, 0, 1), 'yyyyy', 5)).toEqual('00345');
      expect(formatter.year(new Date(2345, 0, 1), 'yyyyy', 5)).toEqual('02345');
      expect(formatter.year(new Date(12345, 0, 1), 'yyyyy', 5)).toEqual('12345');
    });
  });

  describe("#era", function() {
    it("test: pattern G", function() {
      expect(formatter.era(new Date(2012, 1, 1), 'G', 1)).toEqual("CE");
      expect(formatter.era(new Date(-1, 1, 1), 'G', 1)).toEqual("BCE");
    });

    it("test: pattern GG", function() {
      expect(formatter.era(new Date(2012, 1, 1), 'GG', 2)).toEqual("CE");
      expect(formatter.era(new Date(-1, 1, 1), 'GG', 2)).toEqual("BCE");
    });

    it("test: pattern GGG", function() {
      expect(formatter.era(new Date(2012, 1, 1), 'GGG', 3)).toEqual("CE");
      expect(formatter.era(new Date(-1, 1, 1), 'GGG', 3)).toEqual("BCE");
    });

    it("test: pattern GGGG", function() {
      expect(formatter.era(new Date(2012, 1, 1), 'GGGG', 4)).toEqual("Common Era");
      expect(formatter.era(new Date(-1, 1, 1), 'GGGG', 4)).toEqual("Before Common Era");
    });

    it("should fall back if the calendar doesn't contain the appropriate era data", function() {
      old_era_data = TwitterCldr.Calendar.calendar.eras;
      TwitterCldr.Calendar.calendar.eras = {
        abbr: {
          0: "abbr0",
          1: "abbr1"
        },
        name: {
          0: "name0"
        }
      };

      date = new Date(2012, 1, 1);
      expect(formatter.era(date, 'GGGG', 4)).toEqual("abbr1");
      TwitterCldr.Calendar.calendar.eras = old_era_data;
    });
  });

  describe("#format", function() {
    it("don't raise errors for additional date formats", function() {
      var patterns = formatter.additional_format_selector().patterns();
      for (key in patterns) {
        // these shouldn't raise errors
        formatter.format(new Date(), {format: "additional", type: patterns[key]});
      }
    });

    it("correctly formats a few English additional formats", function() {
      date = new Date(2012, 1, 1);
      expect(formatter.format(date, {format: "additional", type: "EHm"})).toEqual("Wed 00:00");
      expect(formatter.format(date, {format: "additional", type: "MMMEd"})).toEqual("Wed, Feb 1");
      expect(formatter.format(date, {format: "additional", type: "yMMMEd"})).toEqual("Wed, Feb 1, 2012");
      expect(formatter.format(date, {format: "additional", type: "yQQQQ"})).toEqual("1st quarter 2012");
    });
  });
});