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

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// Testing v8Parse method for date and time pattern.
//
// Flags: --intl-extra

var dtf = new Intl.DateTimeFormat(['en'],
                                  {year: 'numeric', month: 'numeric',
                                   day: 'numeric', hour: 'numeric',
                                   minute: 'numeric', second: 'numeric',
                                   timeZone: 'UTC'});

// Make sure we have pattern we expect (may change in the future).
assertEquals('M/d/y, h:mm:ss a', dtf.resolved.pattern);

var date = dtf.v8Parse('2/4/74 12:30:42 pm');
assertEquals(1974, date.getUTCFullYear());
assertEquals(1, date.getUTCMonth());
assertEquals(4, date.getUTCDate());
assertEquals(12, date.getUTCHours());
assertEquals(30, date.getUTCMinutes());
assertEquals(42, date.getUTCSeconds());

// Can deal with '-' vs '/'.
date = dtf.v8Parse('2-4-74 12:30:42 am');
assertEquals(1974, date.getUTCFullYear());
assertEquals(1, date.getUTCMonth());
assertEquals(4, date.getUTCDate());
assertEquals(0, date.getUTCHours());
assertEquals(30, date.getUTCMinutes());
assertEquals(42, date.getUTCSeconds());

// AM/PM were not specified.
assertEquals(undefined, dtf.v8Parse('2/4/74 12:30:42'));

// Time was not specified.
assertEquals(undefined, dtf.v8Parse('2/4/74'));

// Month is numeric, so it fails on "Feb".
assertEquals(undefined, dtf.v8Parse('Feb 4th 1974'));