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<?php
declare(strict_types = 1);
namespace BaconQrCodeTest\Common;
use BaconQrCode\Common\BitUtils;
use PHPUnit\Framework\TestCase;
class BitUtilsTest extends TestCase
{
public function testUnsignedRightShift() : void
{
$this->assertSame(1, BitUtils::unsignedRightShift(1, 0));
$this->assertSame(1, BitUtils::unsignedRightShift(10, 3));
$this->assertSame(536870910, BitUtils::unsignedRightShift(-10, 3));
}
public function testNumberOfTrailingZeros() : void
{
$this->assertSame(32, BitUtils::numberOfTrailingZeros(0));
$this->assertSame(1, BitUtils::numberOfTrailingZeros(10));
$this->assertSame(0, BitUtils::numberOfTrailingZeros(15));
$this->assertSame(2, BitUtils::numberOfTrailingZeros(20));
}
}
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