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<?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 const JSON_ERROR_CTRL_CHAR;
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use const JSON_ERROR_DEPTH;
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use const JSON_ERROR_NONE;
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use const JSON_ERROR_STATE_MISMATCH;
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use const JSON_ERROR_SYNTAX;
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use const JSON_ERROR_UTF8;
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use function strtolower;
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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 JsonMatchesErrorMessageProvider
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{
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    /**
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     * Translates JSON error to a human readable string.
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     */
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    public static function determineJsonError(string $error, string $prefix = ''): ?string
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    {
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        switch ($error) {
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            case JSON_ERROR_NONE:
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                return null;
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            case JSON_ERROR_DEPTH:
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                return $prefix . 'Maximum stack depth exceeded';
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            case JSON_ERROR_STATE_MISMATCH:
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                return $prefix . 'Underflow or the modes mismatch';
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            case JSON_ERROR_CTRL_CHAR:
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                return $prefix . 'Unexpected control character found';
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            case JSON_ERROR_SYNTAX:
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                return $prefix . 'Syntax error, malformed JSON';
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            case JSON_ERROR_UTF8:
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                return $prefix . 'Malformed UTF-8 characters, possibly incorrectly encoded';
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            default:
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                return $prefix . 'Unknown error';
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        }
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    }
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    /**
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     * Translates a given type to a human readable message prefix.
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     */
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    public static function translateTypeToPrefix(string $type): string
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    {
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        switch (strtolower($type)) {
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            case 'expected':
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                $prefix = 'Expected value JSON decode error - ';
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                break;
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            case 'actual':
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                $prefix = 'Actual value JSON decode error - ';
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                break;
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            default:
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                $prefix = '';
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                break;
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        }
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        return $prefix;
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    }
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}