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<?php
namespace Hamcrest\Arrays;
/*
Copyright (c) 2009 hamcrest.org
*/
// NOTE: This class is not exactly a direct port of Java's since Java handles
// arrays quite differently than PHP
// TODO: Allow this to take matchers or values within the array
use Hamcrest\Description;
use Hamcrest\TypeSafeMatcher;
use Hamcrest\Util;
/**
* Matcher for array whose elements satisfy a sequence of matchers.
* The array size must equal the number of element matchers.
*/
class IsArray extends TypeSafeMatcher
{
private $_elementMatchers;
public function __construct(array $elementMatchers)
{
parent::__construct(self::TYPE_ARRAY);
Util::checkAllAreMatchers($elementMatchers);
$this->_elementMatchers = $elementMatchers;
}
protected function matchesSafely($array)
{
if (array_keys($array) != array_keys($this->_elementMatchers)) {
return false;
}
/** @var $matcher \Hamcrest\Matcher */
foreach ($this->_elementMatchers as $k => $matcher) {
if (!$matcher->matches($array[$k])) {
return false;
}
}
return true;
}
protected function describeMismatchSafely($actual, Description $mismatchDescription)
{
if (count($actual) != count($this->_elementMatchers)) {
$mismatchDescription->appendText('array length was ' . count($actual));
return;
} elseif (array_keys($actual) != array_keys($this->_elementMatchers)) {
$mismatchDescription->appendText('array keys were ')
->appendValueList(
$this->descriptionStart(),
$this->descriptionSeparator(),
$this->descriptionEnd(),
array_keys($actual)
)
;
return;
}
/** @var $matcher \Hamcrest\Matcher */
foreach ($this->_elementMatchers as $k => $matcher) {
if (!$matcher->matches($actual[$k])) {
$mismatchDescription->appendText('element ')->appendValue($k)
->appendText(' was ')->appendValue($actual[$k]);
return;
}
}
}
public function describeTo(Description $description)
{
$description->appendList(
$this->descriptionStart(),
$this->descriptionSeparator(),
$this->descriptionEnd(),
$this->_elementMatchers
);
}
/**
* Evaluates to true only if each $matcher[$i] is satisfied by $array[$i].
*
* @factory ...
*/
public static function anArray(/* args... */)
{
$args = func_get_args();
return new self(Util::createMatcherArray($args));
}
// -- Protected Methods
protected function descriptionStart()
{
return '[';
}
protected function descriptionSeparator()
{
return ', ';
}
protected function descriptionEnd()
{
return ']';
}
}
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