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