BitArrayTest.php
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VersionTest.php
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BitArrayTest.php
223 lines
| 1 | <?php |
| 2 | declare(strict_types = 1); |
| 3 | |
| 4 | namespace BaconQrCodeTest\Common; |
| 5 | |
| 6 | use BaconQrCode\Common\BitArray; |
| 7 | use PHPUnit\Framework\TestCase; |
| 8 | use PHPUnit\Runner\Version as PHPUnitVersion; |
| 9 | |
| 10 | final class BitArrayTest extends TestCase |
| 11 | { |
| 12 | private function getPhpUnitMajorVersion(): int |
| 13 | { |
| 14 | return (int) explode('.', PHPUnitVersion::id())[0]; |
| 15 | } |
| 16 | |
| 17 | public function testGetSet() : void |
| 18 | { |
| 19 | $array = new BitArray(33); |
| 20 | |
| 21 | for ($i = 0; $i < 33; ++$i) { |
| 22 | $this->assertFalse($array->get($i)); |
| 23 | $array->set($i); |
| 24 | $this->assertTrue($array->get($i)); |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | public function testGetNextSet1() : void |
| 29 | { |
| 30 | $array = new BitArray(32); |
| 31 | |
| 32 | for ($i = 0; $i < $array->getSize(); ++$i) { |
| 33 | if ($this->getPhpUnitMajorVersion() === 7) { |
| 34 | $this->assertEquals($i, 32, '', $array->getNextSet($i)); |
| 35 | } else { |
| 36 | $this->assertEqualsWithDelta($i, 32, $array->getNextSet($i)); |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | $array = new BitArray(33); |
| 41 | |
| 42 | for ($i = 0; $i < $array->getSize(); ++$i) { |
| 43 | if ($this->getPhpUnitMajorVersion() === 7) { |
| 44 | $this->assertEquals($i, 33, '', $array->getNextSet($i)); |
| 45 | } else { |
| 46 | $this->assertEqualsWithDelta($i, 33, $array->getNextSet($i)); |
| 47 | } |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | public function testGetNextSet2() : void |
| 52 | { |
| 53 | $array = new BitArray(33); |
| 54 | |
| 55 | for ($i = 0; $i < $array->getSize(); ++$i) { |
| 56 | if ($this->getPhpUnitMajorVersion() === 7) { |
| 57 | $this->assertEquals($i, $i <= 31 ? 31 : 33, '', $array->getNextSet($i)); |
| 58 | } else { |
| 59 | $this->assertEqualsWithDelta($i, $i <= 31 ? 31 : 33, $array->getNextSet($i)); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | $array = new BitArray(33); |
| 64 | |
| 65 | for ($i = 0; $i < $array->getSize(); ++$i) { |
| 66 | if ($this->getPhpUnitMajorVersion() === 7) { |
| 67 | $this->assertEquals($i, 32, '', $array->getNextSet($i)); |
| 68 | } else { |
| 69 | $this->assertEqualsWithDelta($i, 32, $array->getNextSet($i)); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | public function testGetNextSet3() : void |
| 75 | { |
| 76 | $array = new BitArray(63); |
| 77 | $array->set(31); |
| 78 | $array->set(32); |
| 79 | |
| 80 | for ($i = 0; $i < $array->getSize(); ++$i) { |
| 81 | if ($i <= 31) { |
| 82 | $expected = 31; |
| 83 | } elseif ($i <= 32) { |
| 84 | $expected = 32; |
| 85 | } else { |
| 86 | $expected = 63; |
| 87 | } |
| 88 | |
| 89 | if ($this->getPhpUnitMajorVersion() === 7) { |
| 90 | $this->assertEquals($i, $expected, '', $array->getNextSet($i)); |
| 91 | } else { |
| 92 | $this->assertEqualsWithDelta($i, $expected, $array->getNextSet($i)); |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | public function testGetNextSet4() : void |
| 98 | { |
| 99 | $array = new BitArray(63); |
| 100 | $array->set(33); |
| 101 | $array->set(40); |
| 102 | |
| 103 | for ($i = 0; $i < $array->getSize(); ++$i) { |
| 104 | if ($i <= 33) { |
| 105 | $expected = 33; |
| 106 | } elseif ($i <= 40) { |
| 107 | $expected = 40; |
| 108 | } else { |
| 109 | $expected = 63; |
| 110 | } |
| 111 | |
| 112 | if ($this->getPhpUnitMajorVersion() === 7) { |
| 113 | $this->assertEquals($i, $expected, '', $array->getNextSet($i)); |
| 114 | } else { |
| 115 | $this->assertEqualsWithDelta($i, $expected, $array->getNextSet($i)); |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | public function testGetNextSet5() : void |
| 121 | { |
| 122 | mt_srand(0xdeadbeef, MT_RAND_PHP); |
| 123 | |
| 124 | for ($i = 0; $i < 10; ++$i) { |
| 125 | $array = new BitArray(mt_rand(1, 100)); |
| 126 | $numSet = mt_rand(0, 19); |
| 127 | |
| 128 | for ($j = 0; $j < $numSet; ++$j) { |
| 129 | $array->set(mt_rand(0, $array->getSize() - 1)); |
| 130 | } |
| 131 | |
| 132 | $numQueries = mt_rand(0, 19); |
| 133 | |
| 134 | for ($j = 0; $j < $numQueries; ++$j) { |
| 135 | $query = mt_rand(0, $array->getSize() - 1); |
| 136 | $expected = $query; |
| 137 | |
| 138 | while ($expected < $array->getSize() && ! $array->get($expected)) { |
| 139 | ++$expected; |
| 140 | } |
| 141 | |
| 142 | $actual = $array->getNextSet($query); |
| 143 | |
| 144 | if ($actual !== $expected) { |
| 145 | $array->getNextSet($query); |
| 146 | } |
| 147 | |
| 148 | $this->assertEquals($expected, $actual); |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | public function testSetBulk() : void |
| 154 | { |
| 155 | $array = new BitArray(64); |
| 156 | $array->setBulk(32, 0xFFFF0000); |
| 157 | |
| 158 | for ($i = 0; $i < 48; ++$i) { |
| 159 | $this->assertFalse($array->get($i)); |
| 160 | } |
| 161 | |
| 162 | for ($i = 48; $i < 64; ++$i) { |
| 163 | $this->assertTrue($array->get($i)); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | public function testClear() : void |
| 168 | { |
| 169 | $array = new BitArray(32); |
| 170 | |
| 171 | for ($i = 0; $i < 32; ++$i) { |
| 172 | $array->set($i); |
| 173 | } |
| 174 | |
| 175 | $array->clear(); |
| 176 | |
| 177 | for ($i = 0; $i < 32; ++$i) { |
| 178 | $this->assertFalse($array->get($i)); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | public function testGetArray() : void |
| 183 | { |
| 184 | $array = new BitArray(64); |
| 185 | $array->set(0); |
| 186 | $array->set(63); |
| 187 | |
| 188 | $ints = $array->getBitArray(); |
| 189 | |
| 190 | $this->assertSame(1, $ints[0]); |
| 191 | $this->assertSame(0x80000000, $ints[1]); |
| 192 | } |
| 193 | |
| 194 | public function testIsRange() : void |
| 195 | { |
| 196 | $array = new BitArray(64); |
| 197 | $this->assertTrue($array->isRange(0, 64, false)); |
| 198 | $this->assertFalse($array->isRange(0, 64, true)); |
| 199 | |
| 200 | $array->set(32); |
| 201 | $this->assertTrue($array->isRange(32, 33, true)); |
| 202 | |
| 203 | $array->set(31); |
| 204 | $this->assertTrue($array->isRange(31, 33, true)); |
| 205 | |
| 206 | $array->set(34); |
| 207 | $this->assertFalse($array->isRange(31, 35, true)); |
| 208 | |
| 209 | for ($i = 0; $i < 31; ++$i) { |
| 210 | $array->set($i); |
| 211 | } |
| 212 | |
| 213 | $this->assertTrue($array->isRange(0, 33, true)); |
| 214 | |
| 215 | for ($i = 33; $i < 64; ++$i) { |
| 216 | $array->set($i); |
| 217 | } |
| 218 | |
| 219 | $this->assertTrue($array->isRange(0, 64, true)); |
| 220 | $this->assertFalse($array->isRange(0, 64, false)); |
| 221 | } |
| 222 | } |
| 223 |