/**
* @dataProvider provideTestModifyByMinutes
*
* @param string $dateStr
* @param string $tzStr
* @param float $byMinutes
* @param string $expected
*/
public function testModifyByMinutes($dateStr, $tzStr, $byMinutes, $expected)
{
$date = new LocalDate($dateStr, $tzStr);
$mod = $date->modifyByMinutes($byMinutes);
$this->assertEquals($expected, $mod->format(), 'Modifying a date by minutes must work');
$this->assertEquals((double) $byMinutes, $date->diffInMinutes($mod), 'Diff in mins must be correct');
$this->assertEquals((double) $byMinutes, 0 - $mod->diffInMinutes($date), 'Diff in mins must be correct');
}
