EVOLUTION-MANAGER

Edit File: LogicalXor.php

<?php
/*
 * This file is part of PHPUnit.
 *
 * (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 PHPUnit\Framework\Constraint;

use PHPUnit\Framework\ExpectationFailedException;

/**
 * Logical XOR.
 */
class LogicalXor extends Constraint
{
    /**
     * @var Constraint[]
     */
    private $constraints = [];

public static function fromConstraints(Constraint ...$constraints): self
    {
        $constraint = new self;

$constraint->constraints = \array_values($constraints);

return $constraint;
    }

/**
     * @param Constraint[] $constraints
     */
    public function setConstraints(array $constraints): void
    {
        $this->constraints = [];

foreach ($constraints as $constraint) {
            if (!($constraint instanceof Constraint)) {
                $constraint = new IsEqual(
                    $constraint
                );
            }

$this->constraints[] = $constraint;
        }
    }

/**
     * Evaluates the constraint for parameter $other
     *
     * If $returnResult is set to false (the default), an exception is thrown
     * in case of a failure. null is returned otherwise.
     *
     * If $returnResult is true, the result of the evaluation is returned as
     * a boolean value instead: true in case of success, false in case of a
     * failure.
     *
     * @param mixed  $other        value or object to evaluate
     * @param string $description  Additional information about the test
     * @param bool   $returnResult Whether to return a result or throw an exception
     *
     * @throws ExpectationFailedException
     * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
     */
    public function evaluate($other, $description = '', $returnResult = false)
    {
        $success    = true;
        $lastResult = null;

foreach ($this->constraints as $constraint) {
            $result = $constraint->evaluate($other, $description, true);

if ($result === $lastResult) {
                $success = false;

break;
            }

$lastResult = $result;
        }

if ($returnResult) {
            return $success;
        }

if (!$success) {
            $this->fail($other, $description);
        }
    }

/**
     * Returns a string representation of the constraint.
     */
    public function toString(): string
    {
        $text = '';

foreach ($this->constraints as $key => $constraint) {
            if ($key > 0) {
                $text .= ' xor ';
            }

$text .= $constraint->toString();
        }

return $text;
    }

/**
     * Counts the number of constraint elements.
     */
    public function count(): int
    {
        $count = 0;

foreach ($this->constraints as $constraint) {
            $count += \count($constraint);
        }

return $count;
    }
}