Developer
<?php
namespace Hamcrest\Core;
/*
Copyright (c) 2009 hamcrest.org
*/
use Hamcrest\BaseMatcher;
use Hamcrest\Description;
use Hamcrest\Matcher;
use Hamcrest\Util;
/**
* Calculates the logical negation of a matcher.
*/
class IsNot extends BaseMatcher
{
private $_matcher;
public function __construct(Matcher $matcher)
{
$this->_matcher = $matcher;
}
public function matches($arg)
{
return !$this->_matcher->matches($arg);
}
public function describeTo(Description $description)
{
$description->appendText('not ')->appendDescriptionOf($this->_matcher);
}
/**
* Matches if value does not match $value.
*
* @factory
*/
public static function not($value)
{
return new self(Util::wrapValueWithIsEqual($value));
}
}
Developer
To ensure a smooth integration process and optimal performance, follow these best practices: