223 lines
5.9 KiB
PHP
223 lines
5.9 KiB
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\BitArray;
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use PHPUnit\Framework\TestCase;
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use PHPUnit\Runner\Version as PHPUnitVersion;
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final class BitArrayTest extends TestCase
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{
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private function getPhpUnitMajorVersion(): int
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{
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return (int) explode('.', PHPUnitVersion::id())[0];
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}
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public function testGetSet() : void
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{
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$array = new BitArray(33);
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for ($i = 0; $i < 33; ++$i) {
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$this->assertFalse($array->get($i));
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$array->set($i);
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$this->assertTrue($array->get($i));
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}
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}
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public function testGetNextSet1() : void
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{
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$array = new BitArray(32);
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for ($i = 0; $i < $array->getSize(); ++$i) {
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if ($this->getPhpUnitMajorVersion() === 7) {
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$this->assertEquals($i, 32, '', $array->getNextSet($i));
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} else {
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$this->assertEqualsWithDelta($i, 32, $array->getNextSet($i));
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}
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}
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$array = new BitArray(33);
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for ($i = 0; $i < $array->getSize(); ++$i) {
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if ($this->getPhpUnitMajorVersion() === 7) {
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$this->assertEquals($i, 33, '', $array->getNextSet($i));
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} else {
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$this->assertEqualsWithDelta($i, 33, $array->getNextSet($i));
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}
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}
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}
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public function testGetNextSet2() : void
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{
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$array = new BitArray(33);
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for ($i = 0; $i < $array->getSize(); ++$i) {
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if ($this->getPhpUnitMajorVersion() === 7) {
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$this->assertEquals($i, $i <= 31 ? 31 : 33, '', $array->getNextSet($i));
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} else {
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$this->assertEqualsWithDelta($i, $i <= 31 ? 31 : 33, $array->getNextSet($i));
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}
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}
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$array = new BitArray(33);
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for ($i = 0; $i < $array->getSize(); ++$i) {
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if ($this->getPhpUnitMajorVersion() === 7) {
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$this->assertEquals($i, 32, '', $array->getNextSet($i));
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} else {
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$this->assertEqualsWithDelta($i, 32, $array->getNextSet($i));
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}
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}
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}
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public function testGetNextSet3() : void
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{
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$array = new BitArray(63);
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$array->set(31);
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$array->set(32);
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for ($i = 0; $i < $array->getSize(); ++$i) {
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if ($i <= 31) {
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$expected = 31;
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} elseif ($i <= 32) {
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$expected = 32;
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} else {
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$expected = 63;
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}
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if ($this->getPhpUnitMajorVersion() === 7) {
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$this->assertEquals($i, $expected, '', $array->getNextSet($i));
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} else {
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$this->assertEqualsWithDelta($i, $expected, $array->getNextSet($i));
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}
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}
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}
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public function testGetNextSet4() : void
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{
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$array = new BitArray(63);
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$array->set(33);
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$array->set(40);
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for ($i = 0; $i < $array->getSize(); ++$i) {
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if ($i <= 33) {
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$expected = 33;
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} elseif ($i <= 40) {
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$expected = 40;
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} else {
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$expected = 63;
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}
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if ($this->getPhpUnitMajorVersion() === 7) {
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$this->assertEquals($i, $expected, '', $array->getNextSet($i));
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} else {
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$this->assertEqualsWithDelta($i, $expected, $array->getNextSet($i));
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}
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}
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}
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public function testGetNextSet5() : void
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{
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mt_srand(0xdeadbeef, MT_RAND_PHP);
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for ($i = 0; $i < 10; ++$i) {
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$array = new BitArray(mt_rand(1, 100));
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$numSet = mt_rand(0, 19);
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for ($j = 0; $j < $numSet; ++$j) {
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$array->set(mt_rand(0, $array->getSize() - 1));
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}
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$numQueries = mt_rand(0, 19);
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for ($j = 0; $j < $numQueries; ++$j) {
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$query = mt_rand(0, $array->getSize() - 1);
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$expected = $query;
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while ($expected < $array->getSize() && ! $array->get($expected)) {
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++$expected;
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}
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$actual = $array->getNextSet($query);
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if ($actual !== $expected) {
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$array->getNextSet($query);
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}
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$this->assertEquals($expected, $actual);
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}
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}
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}
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public function testSetBulk() : void
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{
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$array = new BitArray(64);
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$array->setBulk(32, 0xFFFF0000);
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for ($i = 0; $i < 48; ++$i) {
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$this->assertFalse($array->get($i));
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}
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for ($i = 48; $i < 64; ++$i) {
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$this->assertTrue($array->get($i));
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}
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}
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public function testClear() : void
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{
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$array = new BitArray(32);
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for ($i = 0; $i < 32; ++$i) {
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$array->set($i);
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}
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$array->clear();
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for ($i = 0; $i < 32; ++$i) {
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$this->assertFalse($array->get($i));
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}
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}
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public function testGetArray() : void
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{
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$array = new BitArray(64);
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$array->set(0);
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$array->set(63);
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$ints = $array->getBitArray();
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$this->assertSame(1, $ints[0]);
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$this->assertSame(0x80000000, $ints[1]);
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}
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public function testIsRange() : void
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{
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$array = new BitArray(64);
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$this->assertTrue($array->isRange(0, 64, false));
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$this->assertFalse($array->isRange(0, 64, true));
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$array->set(32);
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$this->assertTrue($array->isRange(32, 33, true));
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$array->set(31);
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$this->assertTrue($array->isRange(31, 33, true));
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$array->set(34);
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$this->assertFalse($array->isRange(31, 35, true));
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for ($i = 0; $i < 31; ++$i) {
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$array->set($i);
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}
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$this->assertTrue($array->isRange(0, 33, true));
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for ($i = 33; $i < 64; ++$i) {
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$array->set($i);
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}
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$this->assertTrue($array->isRange(0, 64, true));
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$this->assertFalse($array->isRange(0, 64, false));
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}
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}
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