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<?php
/*
* This file is part of composer/pcre.
*
* (c) Composer <https://github.com/composer>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace Composer\Pcre;
use PHPUnit\Framework\TestCase;
class BaseTestCase extends TestCase
{
/** @var string|null */
protected $pregFunction = null;
/**
* @param class-string<\Throwable> $class
*/
protected function doExpectException(string $class, ?string $message = null): void
{
$this->expectException($class);
if (null !== $message) {
$this->expectExceptionMessage($message);
}
}
protected function doExpectWarning(string $message): void
{
$this->expectWarning();
$this->expectWarningMessage($message);
}
protected function expectPcreEngineException(string $pattern): void
{
$error = PHP_VERSION_ID >= 80000 ? 'Backtrack limit exhausted' : 'PREG_BACKTRACK_LIMIT_ERROR';
$this->expectPcreException($pattern, $error);
}
protected function expectPcreException(string $pattern, ?string $error = null): void
{
if (null === $this->pregFunction) {
self::fail('Preg function name is missing');
}
if (null === $error) {
// Only use a message if the error can be reliably determined
if (PHP_VERSION_ID >= 80000) {
$error = 'Internal error';
} elseif (PHP_VERSION_ID >= 70201) {
$error = 'PREG_INTERNAL_ERROR';
}
}
if (null !== $error) {
$message = sprintf('%s: failed executing "%s": %s', $this->pregFunction, $pattern, $error);
} else {
$message = null;
}
$this->doExpectException('Composer\Pcre\PcreException', $message);
}
protected function expectPcreWarning(?string $warning = null): void
{
if (null === $this->pregFunction) {
self::fail('Preg function name is missing');
}
$warning = $warning !== null ? $warning : 'No ending matching delimiter \'}\' found';
$message = sprintf('%s: %s', $this->pregFunction, $warning);
$this->doExpectWarning($message);
}
}
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