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64 lines
1.6 KiB
PHP
64 lines
1.6 KiB
PHP
--TEST--
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Random: Randomizer: shuffleBytes(): Basic functionality
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--FILE--
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<?php
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use Random\Engine;
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use Random\Engine\Mt19937;
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use Random\Engine\PcgOneseq128XslRr64;
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use Random\Engine\Secure;
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use Random\Engine\Test\TestShaEngine;
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use Random\Engine\Xoshiro256StarStar;
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use Random\Randomizer;
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require __DIR__ . "/../../engines.inc";
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$engines = [];
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$engines[] = new Mt19937(null, MT_RAND_MT19937);
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$engines[] = new Mt19937(null, MT_RAND_PHP);
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$engines[] = new PcgOneseq128XslRr64();
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$engines[] = new Xoshiro256StarStar();
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$engines[] = new Secure();
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$engines[] = new TestShaEngine();
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$length = getenv("SKIP_SLOW_TESTS") ? 1_000 : 5_000;
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function sort_bytes(string $bytes): string
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{
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$bytes = str_split($bytes);
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sort($bytes);
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return implode('', $bytes);
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}
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foreach ($engines as $engine) {
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echo $engine::class, PHP_EOL;
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$randomizer = new Randomizer($engine);
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// This test is slow, test all numbers smaller than 50 and then in steps of 677 (which is prime).
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for ($i = 1; $i < $length; $i += ($i < 50 ? 1 : 677)) {
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$bytes = sort_bytes(random_bytes($i));
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$result = $randomizer->shuffleBytes($bytes);
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$result = sort_bytes($result);
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if ($result !== $bytes) {
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die("failure: not a permutation at {$i}");
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}
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}
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}
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die('success');
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?>
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--EXPECTF--
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Deprecated: Constant MT_RAND_PHP is deprecated in %s on line %d
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Deprecated: The MT_RAND_PHP variant of Mt19937 is deprecated in %s on line %d
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Random\Engine\Mt19937
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Random\Engine\Mt19937
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Random\Engine\PcgOneseq128XslRr64
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Random\Engine\Xoshiro256StarStar
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Random\Engine\Secure
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Random\Engine\Test\TestShaEngine
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success
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