26 Zeilen
784 B
PHP
26 Zeilen
784 B
PHP
<?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));
|
|
}
|
|
}
|