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BitUtilsTest.php
26 lines
| 1 | <?php |
| 2 | declare(strict_types = 1); |
| 3 | |
| 4 | namespace BaconQrCodeTest\Common; |
| 5 | |
| 6 | use BaconQrCode\Common\BitUtils; |
| 7 | use PHPUnit\Framework\TestCase; |
| 8 | |
| 9 | class BitUtilsTest extends TestCase |
| 10 | { |
| 11 | public function testUnsignedRightShift() : void |
| 12 | { |
| 13 | $this->assertSame(1, BitUtils::unsignedRightShift(1, 0)); |
| 14 | $this->assertSame(1, BitUtils::unsignedRightShift(10, 3)); |
| 15 | $this->assertSame(536870910, BitUtils::unsignedRightShift(-10, 3)); |
| 16 | } |
| 17 | |
| 18 | public function testNumberOfTrailingZeros() : void |
| 19 | { |
| 20 | $this->assertSame(32, BitUtils::numberOfTrailingZeros(0)); |
| 21 | $this->assertSame(1, BitUtils::numberOfTrailingZeros(10)); |
| 22 | $this->assertSame(0, BitUtils::numberOfTrailingZeros(15)); |
| 23 | $this->assertSame(2, BitUtils::numberOfTrailingZeros(20)); |
| 24 | } |
| 25 | } |
| 26 |