public function testMarkDone()
{
$ts = new TodosEx();
$t = new TodoEx($ts);
$t->text = 'dummy';
$t->recurrent = new Recurrent('1d');
$t->due = new DateTime('2014-01-01');
$t->markDone();
$this->assertTrue($ts->count() == 1);
$t = $ts[array_pop($ts->array_keys())];
$this->assertFalse($t->done);
$this->assertEquals($t->text, 'dummy');
$this->assertEquals($t->recurrent->toString(), '1d');
$this->assertEquals($t->due->format('Y-m-d'), '2014-01-02');
}
