File: /home/marketing.cfbon.ru/public_html/vendor/sebastian/comparator/src/ScalarComparator.php
<?php declare(strict_types=1);
/*
* This file is part of sebastian/comparator.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Comparator;
use function is_bool;
use function is_object;
use function is_scalar;
use function is_string;
use function mb_strtolower;
use function method_exists;
use function sprintf;
use function strlen;
use function substr;
use SebastianBergmann\Exporter\Exporter;
/**
* Compares scalar or NULL values for equality.
*/
class ScalarComparator extends Comparator
{
private const OVERLONG_THRESHOLD = 40;
private const KEEP_CONTEXT_CHARS = 25;
public function accepts(mixed $expected, mixed $actual): bool
{
return ((is_scalar($expected) xor null === $expected) &&
(is_scalar($actual) xor null === $actual)) ||
// allow comparison between strings and objects featuring __toString()
(is_string($expected) && is_object($actual) && method_exists($actual, '__toString')) ||
(is_object($expected) && method_exists($expected, '__toString') && is_string($actual));
}
/**
* @throws ComparisonFailure
*/
public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false): void
{
$expectedToCompare = $expected;
$actualToCompare = $actual;
$exporter = new Exporter;
// always compare as strings to avoid strange behaviour
// otherwise 0 == 'Foobar'
if ((is_string($expected) && !is_bool($actual)) || (is_string($actual) && !is_bool($expected))) {
/** @phpstan-ignore cast.string */
$expectedToCompare = (string) $expectedToCompare;
/** @phpstan-ignore cast.string */
$actualToCompare = (string) $actualToCompare;
if ($ignoreCase) {
$expectedToCompare = mb_strtolower($expectedToCompare, 'UTF-8');
$actualToCompare = mb_strtolower($actualToCompare, 'UTF-8');
}
}
if ($expectedToCompare !== $actualToCompare && is_string($expected) && is_string($actual)) {
[$cutExpected, $cutActual] = self::removeOverlongCommonPrefix($expected, $actual);
[$cutExpected, $cutActual] = self::removeOverlongCommonSuffix($cutExpected, $cutActual);
throw new ComparisonFailure(
$expected,
$actual,
$exporter->export($cutExpected),
$exporter->export($cutActual),
'Failed asserting that two strings are equal.',
);
}
if ($expectedToCompare != $actualToCompare) {
throw new ComparisonFailure(
$expected,
$actual,
// no diff is required
'',
'',
sprintf(
'Failed asserting that %s matches expected %s.',
$exporter->export($actual),
$exporter->export($expected),
),
);
}
}
/**
* @return array{string, string}
*/
private static function removeOverlongCommonPrefix(string $string1, string $string2): array
{
$commonPrefix = self::findCommonPrefix($string1, $string2);
if (strlen($commonPrefix) > self::OVERLONG_THRESHOLD) {
$string1 = '...' . substr($string1, strlen($commonPrefix) - self::KEEP_CONTEXT_CHARS);
$string2 = '...' . substr($string2, strlen($commonPrefix) - self::KEEP_CONTEXT_CHARS);
}
return [$string1, $string2];
}
private static function findCommonPrefix(string $string1, string $string2): string
{
for ($i = 0; $i < strlen($string1); $i++) {
if (!isset($string2[$i]) || $string1[$i] != $string2[$i]) {
break;
}
}
return substr($string1, 0, $i);
}
/**
* @return array{string, string}
*/
private static function removeOverlongCommonSuffix(string $string1, string $string2): array
{
$commonSuffix = self::findCommonSuffix($string1, $string2);
if (strlen($commonSuffix) > self::OVERLONG_THRESHOLD) {
$string1 = substr($string1, 0, -(strlen($commonSuffix) - self::KEEP_CONTEXT_CHARS)) . '...';
$string2 = substr($string2, 0, -(strlen($commonSuffix) - self::KEEP_CONTEXT_CHARS)) . '...';
}
return [$string1, $string2];
}
private static function findCommonSuffix(string $string1, string $string2): string
{
if ($string1 === '' || $string2 === '') {
return '';
}
$lastCharIndex1 = strlen($string1) - 1;
$lastCharIndex2 = strlen($string2) - 1;
if ($string1[$lastCharIndex1] != $string2[$lastCharIndex2]) {
return '';
}
while (
$lastCharIndex1 > 0 &&
$lastCharIndex2 > 0 &&
$string1[$lastCharIndex1] == $string2[$lastCharIndex2]
) {
$lastCharIndex1--;
$lastCharIndex2--;
}
return substr($string1, $lastCharIndex1 - strlen($string1) + 1);
}
}