<?php
declare(strict_types=1);
namespace ParagonIE\HPKE\Tests;
use ParagonIE\HPKE\Util;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
#[CoversClass(Util::class)]
class UtilTest extends TestCase
{
public static function conversionProvider(): array
{
return [
'zeroes' => [str_repeat("\0", 8)],
'8 random bytes' => [random_bytes(8)]
];
}
#[DataProvider('conversionProvider')]
public function testConversion(string $input): void
{
$length = strlen($input);
$gmp = Util::bytesToGmp($input);
$back = Util::gmpToBytes($gmp, $length);
$this->assertSame($back, $input);
}
}
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