function DrupalDateTimeTest::testTimezoneFormat

Tests the ability to override the time zone in the format method.

File

core/modules/system/tests/src/Functional/Datetime/DrupalDateTimeTest.php, line 101

Class

DrupalDateTimeTest

Tests DrupalDateTime functionality.

Namespace

Code

public function testTimezoneFormat() : void {
    // Create a date in UTC
    $date = DrupalDateTime::createFromTimestamp(87654321, 'UTC');
    // Verify that the date format method displays the default time zone.
    $this->assertEquals('1972/10/11 12:25:21 UTC', $date->format('Y/m/d H:i:s e'), 'Date has default UTC time zone and correct date/time.');
    // Verify that the format method can override the time zone.
    $this->assertEquals('1972/10/11 08:25:21 America/New_York', $date->format('Y/m/d H:i:s e', [
        'timezone' => 'America/New_York',
    ]), 'Date displayed overridden time zone and correct date/time');
    // Verify that the date format method still displays the default time zone
    // for the date object.
    $this->assertEquals('1972/10/11 12:25:21 UTC', $date->format('Y/m/d H:i:s e'), 'Date still has default UTC time zone and correct date/time');
}