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<?php declare(strict_types=1);
/*
* 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 function get_class;
use function sprintf;
use PHPUnit\Util\Filter;
use Throwable;
/**
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*/
final class Exception extends Constraint
{
/**
* @var string
*/
private $className;
public function __construct(string $className)
{
$this->className = $className;
}
/**
* Returns a string representation of the constraint.
*/
public function toString(): string
{
return sprintf(
'exception of type "%s"',
$this->className
);
}
/**
* Evaluates the constraint for parameter $other. Returns true if the
* constraint is met, false otherwise.
*
* @param mixed $other value or object to evaluate
*/
protected function matches($other): bool
{
return $other instanceof $this->className;
}
/**
* 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 $other evaluated value or object
*/
protected function failureDescription($other): string
{
if ($other !== null) {
$message = '';
if ($other instanceof Throwable) {
$message = '. Message was: "' . $other->getMessage() . '" at'
. "\n" . Filter::getFilteredStacktrace($other);
}
return sprintf(
'exception of type "%s" matches expected exception "%s"%s',
get_class($other),
$this->className,
$message
);
}
return sprintf(
'exception of type "%s" is thrown',
$this->className
);
}
}
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