src/v8/test/intl/overrides/date.js

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// Tests Date.prototype.toLocaleXXXString method overrides.

var date = new Date();


// Defaults for toLocaleXXXString
var dtfDate = new Intl.DateTimeFormat();
var dtfTime = new Intl.DateTimeFormat(
  [], {hour: 'numeric', minute: 'numeric', second: 'numeric'});
var dtfAll = new Intl.DateTimeFormat(
  [], {year: 'numeric', month: 'numeric', day: 'numeric',
       hour: 'numeric', minute: 'numeric', second: 'numeric'});
assertEquals(dtfAll.format(date), date.toLocaleString());
assertEquals(dtfDate.format(date), date.toLocaleDateString());
assertEquals(dtfTime.format(date), date.toLocaleTimeString());


// Specify locale, default options for toLocaleXXXString
var locale = ['sr'];
dtfDate = new Intl.DateTimeFormat(locale);
dtfTime = new Intl.DateTimeFormat(
  locale, {hour: 'numeric', minute: 'numeric', second: 'numeric'});
dtfAll = new Intl.DateTimeFormat(
  locale, {year: 'numeric', month: 'numeric', day: 'numeric',
           hour: 'numeric', minute: 'numeric', second: 'numeric'});
assertEquals(dtfAll.format(date), date.toLocaleString(locale));
assertEquals(dtfDate.format(date), date.toLocaleDateString(locale));
assertEquals(dtfTime.format(date), date.toLocaleTimeString(locale));


// Specify locale and options for toLocaleXXXString
locale = ['ko'];
var options = {year: 'numeric', month: 'long', day: 'numeric',
               hour: 'numeric', minute: '2-digit', second: 'numeric'};
var dtf = new Intl.DateTimeFormat(locale, options);
assertEquals(dtf.format(date), date.toLocaleString(locale, options));
assertEquals(dtf.format(date), date.toLocaleDateString(locale, options));
assertEquals(dtf.format(date), date.toLocaleTimeString(locale, options));