/hamcrest-php/hamcrest/Hamcrest/Collection/IsTraversableWithSize.php

 1<?php
 2
 3/*
 4 Copyright (c) 2009 hamcrest.org
 5 */
 6
 7require_once 'Hamcrest/FeatureMatcher.php';
 8require_once 'Hamcrest/Matcher.php';
 9require_once 'Hamcrest/Util.php';
10
11/**
12 * Matches if traversable size satisfies a nested matcher.
13 */
14class Hamcrest_Collection_IsTraversableWithSize extends Hamcrest_FeatureMatcher
15{
16
17  public function __construct(Hamcrest_Matcher $sizeMatcher)
18  {
19    parent::__construct(self::TYPE_OBJECT, 'Traversable', $sizeMatcher,
20        'a traversable with size', 'traversable size');
21  }
22
23  protected function featureValueOf($actual)
24  {
25    $size = 0;
26    foreach ($actual as $value)
27    {
28      $size++;
29    }
30    return $size;
31  }
32
33  /**
34   * Does traversable size satisfy a given matcher?
35   *
36   * @factory
37   */
38  public static function traversableWithSize($size)
39  {
40    return new self(Hamcrest_Util::wrapValueWithIsEqual($size));
41  }
42
43}