<?php

namespace Cron\Tests;

use Cron\DayOfMonthField;

use DateTime;

/**
 * @author Michael Dowling <mtdowling@gmail.com>
 */
class DayOfMonthFieldTest extends \PHPUnit_Framework_TestCase
{
	/**
	 * @covers Cron\DayOfMonthField::validate
	 */
	public function testValdatesField()
	{
		$f = new DayOfMonthField();
		$this->assertTrue($f->validate('1'));
		$this->assertTrue($f->validate('*'));
		$this->assertTrue($f->validate('*/3,1,1-12'));
		$this->assertTrue($f->validate('5W,L'));
		$this->assertFalse($f->validate('1.'));
	}

	/**
	 * @covers Cron\DayOfMonthField::isSatisfiedBy
	 */
	public function testChecksIfSatisfied()
	{
		$f = new DayOfMonthField();
		$this->assertTrue($f->isSatisfiedBy(new DateTime(), '?'));
	}

	/**
	 * @covers Cron\DayOfMonthField::increment
	 */
	public function testIncrementsDate()
	{
		$d = new DateTime('2011-03-15 11:15:00');
		$f = new DayOfMonthField();
		$f->increment($d);
		$this->assertEquals('2011-03-16 00:00:00', $d->format('Y-m-d H:i:s'));

		$d = new DateTime('2011-03-15 11:15:00');
		$f->increment($d, true);
		$this->assertEquals('2011-03-14 23:59:00', $d->format('Y-m-d H:i:s'));
	}
}
