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\Demultiplexer.
44 *
45 * Test suite of the demultiplexer iterator.
46 *
47 * @copyright  Copyright © 2007-2017 Hoa community
48 * @license    New BSD License
49 */
50class Demultiplexer extends Test\Unit\Suite
51{
52    public function case_classic()
53    {
54        $this
55            ->given(
56                $counter  = new LUT\Counter(0, 10, 1),
57                $multiple = new LUT\Multiple(),
58                $multiple->attachIterator($counter),
59                $multiple->attachIterator(clone $counter),
60                $demultiplexer = new LUT\Demultiplexer(
61                    $multiple,
62                    function ($current) {
63                        return $current[0] * $current[1];
64                    }
65                )
66            )
67            ->when($result = iterator_to_array($demultiplexer, false))
68            ->then
69                ->array($result)
70                    ->isEqualTo([
71                        0,
72                        1,
73                        4,
74                        9,
75                        16,
76                        25,
77                        36,
78                        49,
79                        64,
80                        81
81                    ]);
82    }
83
84    public function case_associative_keys()
85    {
86        $this
87            ->given(
88                $counter  = new LUT\Counter(0, 10, 1),
89                $multiple = new LUT\Multiple(
90                    LUT\Multiple::MIT_NEED_ANY
91                  | LUT\Multiple::MIT_KEYS_ASSOC
92                ),
93                $multiple->attachIterator($counter,       'one'),
94                $multiple->attachIterator(clone $counter, 'two'),
95                $demultiplexer = new LUT\Demultiplexer(
96                    $multiple,
97                    function ($current) {
98                        return $current['one'] * $current['two'];
99                    }
100                )
101            )
102            ->when($result = iterator_to_array($demultiplexer, false))
103            ->then
104                ->array($result)
105                    ->isEqualTo([
106                        0,
107                        1,
108                        4,
109                        9,
110                        16,
111                        25,
112                        36,
113                        49,
114                        64,
115                        81
116                    ]);
117    }
118}
119