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<?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\Util\InvalidArgumentHelper;
use SplObjectStorage;
/**
* Constraint that asserts that the Traversable it is applied to contains
* a given value.
*/
class TraversableContains extends Constraint
{
/**
* @var bool
*/
protected $checkForObjectIdentity;
/**
* @var bool
*/
protected $checkForNonObjectIdentity;
/**
* @var mixed
*/
protected $value;
/**
* @param mixed $value
* @param bool $checkForObjectIdentity
* @param bool $checkForNonObjectIdentity
*
* @throws \PHPUnit\Framework\Exception
*/
public function __construct($value, $checkForObjectIdentity = true, $checkForNonObjectIdentity = false)
{
parent::__construct();
if (!\is_bool($checkForObjectIdentity)) {
throw InvalidArgumentHelper::factory(2, 'boolean');
}
if (!\is_bool($checkForNonObjectIdentity)) {
throw InvalidArgumentHelper::factory(3, 'boolean');
}
$this->checkForObjectIdentity = $checkForObjectIdentity;
$this->checkForNonObjectIdentity = $checkForNonObjectIdentity;
$this->value = $value;
}
/**
* 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)
{
if ($other instanceof SplObjectStorage) {
return $other->contains($this->value);
}
if (\is_object($this->value)) {
foreach ($other as $element) {
if ($this->checkForObjectIdentity && $element === $this->value) {
return true;
}
if (!$this->checkForObjectIdentity && $element == $this->value) {
return true;
}
}
} else {
foreach ($other as $element) {
if ($this->checkForNonObjectIdentity && $element === $this->value) {
return true;
}
if (!$this->checkForNonObjectIdentity && $element == $this->value) {
return true;
}
}
}
return false;
}
/**
* Returns a string representation of the constraint.
*
* @return string
*/
public function toString()
{
if (\is_string($this->value) && \strpos($this->value, "\n") !== false) {
return 'contains "' . $this->value . '"';
}
return 'contains ' . $this->exporter->export($this->value);
}
/**
* Returns the description of the failure
*
* The beginning of failure messages is "Failed asserting that" in most
* cases. This method should return the second part of that sentence.
*
* @param mixed $other Evaluated value or object.
*
* @return string
*/
protected function failureDescription($other)
{
return \sprintf(
'%s %s',
\is_array($other) ? 'an array' : 'a traversable',
$this->toString()
);
}
}