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<?php
/**
* BaconQrCode
*
* @link http://github.com/Bacon/BaconQrCode For the canonical source repository
* @copyright 2013 Ben 'DASPRiD' Scholzen
* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
*/
namespace BaconQrCode\Common;
use PHPUnit_Framework_TestCase as TestCase;
class BitUtilsTest extends TestCase
{
public function testUnsignedRightShift()
{
$this->assertEquals(1, BitUtils::unsignedRightShift(1, 0));
$this->assertEquals(1, BitUtils::unsignedRightShift(10, 3));
$this->assertEquals(536870910, BitUtils::unsignedRightShift(-10, 3));
}
public function testNumberOfTrailingZeros()
{
$this->assertEquals(32, BitUtils::numberOfTrailingZeros(0));
$this->assertEquals(1, BitUtils::numberOfTrailingZeros(10));
$this->assertEquals(0, BitUtils::numberOfTrailingZeros(15));
$this->assertEquals(2, BitUtils::numberOfTrailingZeros(20));
}
}