1<?php
2
3/**
4 * Hoa
5 *
6 *
7 * @license
8 *
9 * New BSD License
10 *
11 * Copyright © 2007-2017, Hoa community. All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions are met:
15 *     * Redistributions of source code must retain the above copyright
16 *       notice, this list of conditions and the following disclaimer.
17 *     * Redistributions in binary form must reproduce the above copyright
18 *       notice, this list of conditions and the following disclaimer in the
19 *       documentation and/or other materials provided with the distribution.
20 *     * Neither the name of the Hoa nor the names of its contributors may be
21 *       used to endorse or promote products derived from this software without
22 *       specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
35 */
36
37namespace Hoa\Iterator\Test\Unit;
38
39use Hoa\Iterator as LUT;
40use Hoa\Test;
41
42/**
43 * Class \Hoa\Iterator\Test\Unit\MyFilter.
44 *
45 * Basic filter.
46 *
47 * @copyright  Copyright © 2007-2017 Hoa community
48 * @license    New BSD License
49 */
50class MyFilter extends LUT\Filter
51{
52    public function accept()
53    {
54        return true;
55    }
56}
57
58/**
59 * Class \Hoa\Iterator\Test\Unit\Filter.
60 *
61 * Test suite of the filter iterator.
62 *
63 * @copyright  Copyright © 2007-2017 Hoa community
64 * @license    New BSD License
65 */
66class Filter extends Test\Unit\Suite
67{
68    public function case_classic()
69    {
70        $this
71            ->given(
72                $foobar = $this->getDummyIterator(),
73                $filter = new \Mock\Hoa\Iterator\Test\Unit\MyFilter($foobar),
74                $this->calling($filter)->accept = function () {
75                    $value = $this->current();
76
77                    return false === in_array($value, ['a', 'e', 'i', 'o', 'u']);
78                }
79            )
80            ->when($result = iterator_to_array($filter))
81            ->then
82                ->array($result)
83                    ->isEqualTo([
84                        0 => 'f',
85                        3 => 'b',
86                        5 => 'r'
87                    ]);
88    }
89
90    public function case_remove_all()
91    {
92        $this
93            ->given(
94                $foobar = $this->getDummyIterator(),
95                $filter = new \Mock\Hoa\Iterator\Test\Unit\MyFilter($foobar),
96                $this->calling($filter)->accept = false
97            )
98            ->when($result = iterator_to_array($filter))
99            ->then
100                ->array($result)
101                    ->isEmpty();
102    }
103
104    public function case_remove_none()
105    {
106        $this
107            ->given(
108                $foobar = $this->getDummyIterator(),
109                $filter = new MyFilter($foobar)
110            )
111            ->when(
112                $foobarResult = iterator_to_array($foobar),
113                $filterResult = iterator_to_array($filter)
114            )
115            ->then
116                ->array($foobarResult)
117                    ->isEqualTo($filterResult);
118    }
119
120    protected function getDummyIterator()
121    {
122        return new LUT\Map(['f', 'o', 'o', 'b', 'a', 'r']);
123    }
124}
125