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<?php
namespace Hamcrest\Arrays;
/*
Copyright (c) 2009 hamcrest.org
*/
use Hamcrest\Core\DescribedAs;
use Hamcrest\Core\IsNot;
use Hamcrest\FeatureMatcher;
use Hamcrest\Matcher;
use Hamcrest\Util;
/**
* Matches if array size satisfies a nested matcher.
*/
class IsArrayWithSize extends FeatureMatcher
{
public function __construct(Matcher $sizeMatcher)
{
parent::__construct(
self::TYPE_ARRAY,
null,
$sizeMatcher,
'an array with size',
'array size'
);
}
protected function featureValueOf($array)
{
return count($array);
}
/**
* Does array size satisfy a given matcher?
*
* @param \Hamcrest\Matcher|int $size as a {@link Hamcrest\Matcher} or a value.
*
* @return \Hamcrest\Arrays\IsArrayWithSize
* @factory
*/
public static function arrayWithSize($size)
{
return new self(Util::wrapValueWithIsEqual($size));
}
/**
* Matches an empty array.
*
* @factory
*/
public static function emptyArray()
{
return DescribedAs::describedAs(
'an empty array',
self::arrayWithSize(0)
);
}
/**
* Matches an empty array.
*
* @factory
*/
public static function nonEmptyArray()
{
return DescribedAs::describedAs(
'a non-empty array',
self::arrayWithSize(IsNot::not(0))
);
}
}
|
