php-src/ext/random/tests/02_engine/all_serialize_native.phpt at master · php/php-src · GitHub

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--TEST--

Random: Engine: Serialization of native engines must preserve the sequence

--FILE--

<?php

use Random\Engine\Mt19937;

use Random\Engine\PcgOneseq128XslRr64;

use Random\Engine\Xoshiro256StarStar;

$engines = [];

$engines[] = new Mt19937(1234);

$engines[] = new PcgOneseq128XslRr64(1234);

$engines[] = new Xoshiro256StarStar(1234);

foreach ($engines as $engine) {

echo $engine::class, PHP_EOL;

for ($i = 0; $i < 10_000; $i++) {

$engine->generate();

}

$engine2 = unserialize(serialize($engine));

for ($i = 0; $i < 10_000; $i++) {

if ($engine->generate() !== $engine2->generate()) {

die("failure: state differs at {$i}");

}

die('success');

--EXPECT--

Random\Engine\Mt19937

Random\Engine\PcgOneseq128XslRr64

Random\Engine\Xoshiro256StarStar

success

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