endtoend-test-psl/tests/Psl/Random/BytesTest.php
2020-07-08 23:28:29 +01:00

34 lines
698 B
PHP

<?php
declare(strict_types=1);
namespace Psl\Tests\Random;
use PHPUnit\Framework\TestCase;
use Psl\Exception;
use Psl\Random;
use Psl\Str;
class BytesTest extends TestCase
{
public function testBytes(): void
{
$random = Random\bytes(32);
self::assertSame(32, Str\Byte\length($random));
}
public function testBytesEarlyReturnForZeroLength(): void
{
self::assertSame('', Random\bytes(0));
}
public function testBytesThrowsForNegativeLength(): void
{
$this->expectException(Exception\InvariantViolationException::class);
$this->expectExceptionMessage('Expected a non-negative length.');
Random\bytes(-1);
}
}