test/intl/date-format/format-test.js

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// Test formatting method with specified date, invalid input.

var dtf = new Intl.DateTimeFormat('en-US', {timeZone: 'UTC'});

var someDate = dtf.format(144313200000);
assertEquals('7/29/1974', someDate);

var invalidValues = [NaN, Infinity, -Infinity];
invalidValues.forEach(function(value) {
  var error;
  try {
    dtf.format(value);
  } catch (e) {
    error = e;
  }

  assertTrue(error !== undefined);
  assertEquals('RangeError', error.name);
});

// https://code.google.com/p/chromium/issues/detail?id=537382

assertEquals('11/11/1500', dtf.format(new Date(1500,10,11,12,0,0)));