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<?php
declare(strict_types=1);
require_once LIB_PATH . '/lib_date.php';
use PHPUnit\Framework\Attributes\DataProvider;
/**
* Tests for lib_date.php functions
*/
class LibDateTest extends \PHPUnit\Framework\TestCase {
/**
* Test parseDateInterval function with various ISO 8601 interval formats
*
* @param string $interval
* @param int|null|false $expectedMin
* @param int|null|false $expectedMax
*/
#[DataProvider('provideDateIntervals')]
public function test_parseDateInterval(string $interval, $expectedMin, $expectedMax): void {
$result = parseDateInterval($interval);
self::assertIsArray($result);
self::assertCount(2, $result);
self::assertSame($expectedMin, $result[0], "Min timestamp mismatch for interval: $interval");
self::assertSame($expectedMax, $result[1], "Max timestamp mismatch for interval: $interval");
}
/** @return list<array{string,int|null|false,int|null|false}> */
public static function provideDateIntervals(): array {
return [
['', null, null], // Empty string
// Year intervals
['2014', strtotime('2014-01-01 00:00:00'), strtotime('2014-12-31 23:59:59')],
[' 2015 ', strtotime('2015-01-01 00:00:00'), strtotime('2015-12-31 23:59:59')], // With whitespace to be trimmed
// Year-month intervals
['2014-03', strtotime('2014-03-01 00:00:00'), strtotime('2014-03-31 23:59:59')],
['2016-02', strtotime('2016-02-01 00:00:00'), strtotime('2016-02-29 23:59:59')], // Leap year
['2014-02', strtotime('2014-02-01 00:00:00'), strtotime('2014-02-28 23:59:59')], // Non-leap year
['201404', strtotime('2014-04-01 00:00:00'), strtotime('2014-04-30 23:59:59')], // Without hyphen
// Specific dates
['2014-03-30', strtotime('2014-03-30 00:00:00'), strtotime('2014-03-30 23:59:59')],
['2014-05-30T13', strtotime('2014-05-30 13:00:00'), strtotime('2014-05-30 13:59:59')],
['2014-05-30T13:30', strtotime('2014-05-30 13:30:00'), strtotime('2014-05-30 13:30:59')],
// Date ranges with explicit end dates
['2014-02/2014-04', strtotime('2014-02-01 00:00:00'), strtotime('2014-04-30 23:59:59')],
['2014-02--2014-04', strtotime('2014-02-01 00:00:00'), strtotime('2014-04-30 23:59:59')], // Same with -- separator
['2014-02/04', strtotime('2014-02-01 00:00:00'), strtotime('2014-04-30 23:59:59')],
['2014-02-03/05', strtotime('2014-02-03 00:00:00'), strtotime('2014-02-05 23:59:59')],
// Time ranges within same day
['2014-02-03T22:00/22:15', strtotime('2014-02-03 22:00:00'), strtotime('2014-02-03 22:15:59')],
['2014-02-03T22:00/15', strtotime('2014-02-03 22:00:00'), strtotime('2014-02-03 22:15:59')],
// Open intervals
['2014-03/', strtotime('2014-03-01 00:00:00'), null],
['/2014-03', null, strtotime('2014-03-31 23:59:59')],
// Period-based intervals
['2014-03/P1W', strtotime('2014-03-01 00:00:00'), strtotime('2014-03-07 23:59:59')],
['P1W/2014-05-25T23:59:59', strtotime('2014-05-19 00:00:00'), strtotime('2014-05-25 23:59:59')],
// Fixed date periods with known anchors
['2014-01-01/P1Y', strtotime('2014-01-01 00:00:00'), strtotime('2014-12-31 23:59:59')],
['2014-06-15/P6M', strtotime('2014-06-15 00:00:00'), strtotime('2014-12-14 23:59:59')],
['2014-03-01/P2W', strtotime('2014-03-01 00:00:00'), strtotime('2014-03-14 23:59:59')],
['2014-12-25/P10D', strtotime('2014-12-25 00:00:00'), strtotime('2015-01-03 23:59:59')],
['2014-01-01T12:00/PT6H', strtotime('2014-01-01 12:00:00'), strtotime('2014-01-01 17:59:59')],
['2014-01-01 12:00/PT6H', strtotime('2014-01-01 12:00:00'), strtotime('2014-01-01 17:59:59')], // Space instead of T
['2014-01-01T12:00/PT6h', strtotime('2014-01-01 12:00:00'), strtotime('2014-01-01 17:59:59')], // Lowercase h
['2014-05-01T10:30/PT90M', strtotime('2014-05-01 10:30:00'), strtotime('2014-05-01 11:59:59')],
['2014-07-04T14:15:30/PT45S', strtotime('2014-07-04 14:15:30'), strtotime('2014-07-04 14:16:14')],
// Reverse periods
['P1M/2014-02-28', strtotime('2014-01-28 00:00:01'), strtotime('2014-02-28 00:00:00')],
['P3D/2014-01-10T23:59:59', strtotime('2014-01-08 00:00:00'), strtotime('2014-01-10 23:59:59')],
['PT12H/2014-06-01T12:00', strtotime('2014-06-01 00:00:01'), strtotime('2014-06-01 12:00:00')],
];
}
}
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