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Current File : /var/www/html/conference/vendor/phpunit/phpunit/src/Framework/Constraint/IsType.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;

/**
 * Constraint that asserts that the value it is evaluated for is of a
 * specified type.
 *
 * The expected value is passed in the constructor.
 */
class IsType extends Constraint
{
    const TYPE_ARRAY    = 'array';
    const TYPE_BOOL     = 'bool';
    const TYPE_FLOAT    = 'float';
    const TYPE_INT      = 'int';
    const TYPE_NULL     = 'null';
    const TYPE_NUMERIC  = 'numeric';
    const TYPE_OBJECT   = 'object';
    const TYPE_RESOURCE = 'resource';
    const TYPE_STRING   = 'string';
    const TYPE_SCALAR   = 'scalar';
    const TYPE_CALLABLE = 'callable';

    /**
     * @var array
     */
    protected $types = [
        'array'    => true,
        'boolean'  => true,
        'bool'     => true,
        'double'   => true,
        'float'    => true,
        'integer'  => true,
        'int'      => true,
        'null'     => true,
        'numeric'  => true,
        'object'   => true,
        'real'     => true,
        'resource' => true,
        'string'   => true,
        'scalar'   => true,
        'callable' => true
    ];

    /**
     * @var string
     */
    protected $type;

    /**
     * @param string $type
     *
     * @throws \PHPUnit\Framework\Exception
     */
    public function __construct($type)
    {
        parent::__construct();

        if (!isset($this->types[$type])) {
            throw new \PHPUnit\Framework\Exception(
                \sprintf(
                    'Type specified for PHPUnit\Framework\Constraint\IsType <%s> ' .
                    'is not a valid type.',
                    $type
                )
            );
        }

        $this->type = $type;
    }

    /**
     * Evaluates the constraint for parameter $other. Returns true if the
     * constraint is met, false otherwise.
     *
     * @param mixed $other Value or object to evaluate.
     *
     * @return bool
     */
    protected function matches($other)
    {
        switch ($this->type) {
            case 'numeric':
                return \is_numeric($other);

            case 'integer':
            case 'int':
                return \is_int($other);

            case 'double':
            case 'float':
            case 'real':
                return \is_float($other);

            case 'string':
                return \is_string($other);

            case 'boolean':
            case 'bool':
                return \is_bool($other);

            case 'null':
                return null === $other;

            case 'array':
                return \is_array($other);

            case 'object':
                return \is_object($other);

            case 'resource':
                return \is_resource($other) || \is_string(@\get_resource_type($other));

            case 'scalar':
                return \is_scalar($other);

            case 'callable':
                return \is_callable($other);
        }
    }

    /**
     * Returns a string representation of the constraint.
     *
     * @return string
     */
    public function toString()
    {
        return \sprintf(
            'is of type "%s"',
            $this->type
        );
    }
}

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