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<?php
/**
* PHPUnit
*
* Copyright (c) 2001-2013, Sebastian Bergmann <sebastian@phpunit.de>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Sebastian Bergmann nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package PHPUnit
* @subpackage Framework_Constraint
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @author Bernhard Schussek <bschussek@2bepublished.at>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since File available since Release 3.0.0
*/
/**
* Constraint that asserts that the value it is evaluated for is of a
* specified type.
*
* The expected value is passed in the constructor.
*
* @package PHPUnit
* @subpackage Framework_Constraint
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @author Bernhard Schussek <bschussek@2bepublished.at>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since Class available since Release 3.0.0
*/
class PHPUnit_Framework_Constraint_IsType extends PHPUnit_Framework_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(
'array' => TRUE,
'boolean' => TRUE,
'bool' => TRUE,
'float' => TRUE,
'integer' => TRUE,
'int' => TRUE,
'null' => TRUE,
'numeric' => TRUE,
'object' => TRUE,
'resource' => TRUE,
'string' => TRUE,
'scalar' => TRUE,
'callable' => TRUE
);
/**
* @var string
*/
protected $type;
/**
* @param string $type
* @throws PHPUnit_Framework_Exception
*/
public function __construct($type)
{
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_integer($other);
}
case 'float': {
return is_float($other);
}
case 'string': {
return is_string($other);
}
case 'boolean':
case 'bool': {
return is_bool($other);
}
case 'null': {
return is_null($other);
}
case 'array': {
return is_array($other);
}
case 'object': {
return is_object($other);
}
case 'resource': {
return is_resource($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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