/**
* @param string $date
* @return boolean
*/
function isThanksgiving($date)
{
$queryDate = strtotime($date);
// identify year of query date
$year = date("Y", $queryDate);
$thanksgiving = getThanksgiving($year);
return $thanksgiving == $queryDate;
}
/**
* @dataProvider values
*/
public function testIsThanksgiving($input, $expectedOutput)
{
$result = isThanksgiving($input);
$this->assertInternalType("bool", $result);
$this->assertEquals($expectedOutput, $result, sprintf("Expecting %s to be %s", $input, date('c', getThanksgiving(date("Y", strtotime($input))))));
}