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67 lines
1.6 KiB
67 lines
1.6 KiB
<?php declare(strict_types=1);
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/*
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* This file is part of PHPUnit.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace PHPUnit\Framework\Constraint;
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use function array_reduce;
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use function array_shift;
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use PHPUnit\Framework\ExpectationFailedException;
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/**
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* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
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*/
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final class LogicalXor extends BinaryOperator
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{
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public static function fromConstraints(mixed ...$constraints): self
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{
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return new self(...$constraints);
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}
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/**
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* Returns the name of this operator.
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*/
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public function operator(): string
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{
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return 'xor';
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}
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/**
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* Returns this operator's precedence.
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*
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* @see https://www.php.net/manual/en/language.operators.precedence.php.
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*/
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public function precedence(): int
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{
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return 23;
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}
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/**
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* Evaluates the constraint for parameter $other. Returns true if the
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* constraint is met, false otherwise.
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*
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* @throws ExpectationFailedException
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*/
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public function matches(mixed $other): bool
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{
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$constraints = $this->constraints();
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$initial = array_shift($constraints);
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if ($initial === null) {
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return false;
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}
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return array_reduce(
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$constraints,
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static fn (bool $matches, Constraint $constraint): bool => $matches xor $constraint->evaluate($other, '', true),
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$initial->evaluate($other, '', true),
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);
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}
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}
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