tor-browser

The Tor Browser
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month-day.js (3193B)

      1 // |reftest| skip-if(!this.hasOwnProperty("Temporal")||!this.hasOwnProperty("Intl"))
      2 
      3 // Test formatting for Temporal.MonthDay.
      4 
      5 const locales = [
      6  "en",
      7  "de",
      8  "fr",
      9  "es",
     10  "ar",
     11  "th",
     12  "zh",
     13  "ja",
     14 ];
     15 
     16 const options = [
     17  {
     18    month: "long",
     19  },
     20  {
     21    month: "numeric",
     22    day: "numeric",
     23  },
     24 ];
     25 
     26 const dateStyles = [
     27  "full", "long", "medium", "short"
     28 ];
     29 
     30 // The current implementation computes the skeleton from the resolved pattern,
     31 // which doesn't always produce the correct results. It'd be better to compute
     32 // the skeleton from ICU's "DateTimeSkeletons" resource table. This requires
     33 // writing manual resource lookup code, though. And "DateTimeSkeletons" doesn't
     34 // (yet) contain the correct skeletons in all cases. For more info see these
     35 // ICU and CLDR bugs:
     36 // - https://unicode-org.atlassian.net/browse/ICU-22867
     37 // - https://unicode-org.atlassian.net/browse/CLDR-14993
     38 // - https://unicode-org.atlassian.net/browse/CLDR-18136
     39 
     40 const dateStyleToOptions = {
     41  full: {
     42    month: "long",
     43    day: "numeric",
     44  },
     45  long: {
     46    month: "long",
     47    day: "numeric",
     48  },
     49  medium: {
     50    month: "short",
     51    day: "numeric",
     52  },
     53  short: {
     54    month: "numeric",
     55    day: "numeric",
     56  },
     57  overrides: {
     58    de: {
     59      medium: {
     60        month: "2-digit",
     61        day: "2-digit",
     62      },
     63      short: {
     64        month: "2-digit",
     65        day: "2-digit",
     66      },
     67    },
     68    ar: {
     69      medium: {
     70        month: "2-digit",
     71        day: "2-digit",
     72      },
     73    },
     74    zh: {
     75      full: {
     76        month: "numeric",
     77        day: "numeric",
     78      },
     79      long: {
     80        month: "numeric",
     81        day: "numeric",
     82      },
     83      medium: {
     84        month: "numeric",
     85        day: "numeric",
     86      },
     87    },
     88    ja: {
     89      full: {
     90        month: "numeric",
     91        day: "numeric",
     92      },
     93      long: {
     94        month: "numeric",
     95        day: "numeric",
     96      },
     97      medium: {
     98        month: "2-digit",
     99        day: "2-digit",
    100      },
    101      short: {
    102        month: "2-digit",
    103        day: "2-digit",
    104      },
    105    },
    106  },
    107 };
    108 
    109 const timeZone = "UTC";
    110 
    111 let date = new Date(0);
    112 let instant = date.toTemporalInstant();
    113 let zonedDateTime = instant.toZonedDateTimeISO(timeZone);
    114 let plainDate = zonedDateTime.toPlainDate();
    115 
    116 for (let locale of locales) {
    117  // Get the default calendar for |locale|.
    118  let calendar = new Intl.DateTimeFormat(locale).resolvedOptions().calendar;
    119 
    120  // Calendar must match for MonthDay.
    121  //
    122  // https://github.com/js-temporal/proposal-temporal-v2/issues/29
    123  let plainMonthDay = plainDate.withCalendar(calendar).toPlainMonthDay();
    124 
    125  for (let opts of options) {
    126    let expected = date.toLocaleDateString(locale, {timeZone, ...opts});
    127    assertEq(plainMonthDay.toLocaleString(locale, {timeZone, ...opts}), expected);
    128  }
    129 
    130  for (let dateStyle of dateStyles) {
    131    let opts = dateStyleToOptions.overrides[locale]?.[dateStyle] ?? dateStyleToOptions[dateStyle];
    132    assertEq(
    133      plainMonthDay.toLocaleString(locale, {timeZone, dateStyle}),
    134      date.toLocaleDateString(locale, {timeZone, ...opts}),
    135      `l=${locale}, s=${dateStyle}, o=${JSON.stringify(opts)}`
    136    );
    137  }
    138 }
    139 
    140 if (typeof reportCompare === "function")
    141  reportCompare(true, true);