<?php

/**
* Hoa
*
*
* @license
*
* New BSD License
*
* Copyright © 2007-2017, Hoa community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Hoa nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

namespace Hoa\Iterator\Test\Unit;

use Hoa\Iterator as LUT;
use Hoa\Test;

/**
* Class \Hoa\Iterator\Test\Unit\IteratorIterator.
*
* Test suite of the iterator iterator iterator (;-)).
*
* @copyright Copyright © 2007-2017 Hoa community
* @license New BSD License
*/
class IteratorIterator extends Test\Unit\Suite
{
public function case_inner_iterator()
{
$this
->given(
$iterator = new LUT\Map([]),
$iteratoriterator = new LUT\IteratorIterator($iterator)
)
->when($result = $iteratoriterator->getInnerIterator())
->then
->object($result)
->isIdenticalTo($iterator);
}

public function case_traverse()
{
$this
->given(
$iterator = new LUT\Map(['a', 'b', 'c']),
$iteratoriterator = new LUT\IteratorIterator($iterator)
)
->when($result = iterator_to_array($iteratoriterator))
->then
->array($result)
->isEqualTo(['a', 'b', 'c']);
}

public function case_recursive_leaves_only()
{
$this
->given(
$array = [
'a' => ['b', 'c', 'd'],
'e' => ['f', 'g', 'i']
],
$iterator = new LUT\Recursive\Map($array),
$iteratoriterator = new LUT\Recursive\Iterator(
$iterator,
LUT\Recursive\Iterator::LEAVES_ONLY
)
)
->when($result = iterator_to_array($iteratoriterator, false))
->then
->array($result)
->isEqualTo(['b', 'c', 'd', 'f', 'g', 'i']);
}

public function case_recursive_self_first()
{
$this
->given(
$array = [
'a' => ['b', 'c', 'd'],
'e' => ['f', 'g', 'i']
],
$iterator = new LUT\Recursive\Map($array),
$iteratoriterator = new LUT\Recursive\Iterator(
$iterator,
LUT\Recursive\Iterator::SELF_FIRST
)
)
->when($result = iterator_to_array($iteratoriterator, false))
->then
->array($result)
->isEqualTo([
['b', 'c', 'd'],
'b',
'c',
'd',
['f', 'g', 'i'],
'f',
'g',
'i'
]);
}

public function case_recursive_child_first()
{
$this
->given(
$array = [
'a' => ['b', 'c', 'd'],
'e' => ['f', 'g', 'i']
],
$iterator = new LUT\Recursive\Map($array),
$iteratoriterator = new LUT\Recursive\Iterator(
$iterator,
LUT\Recursive\Iterator::CHILD_FIRST
)
)
->when($result = iterator_to_array($iteratoriterator, false))
->then
->array($result)
->isEqualTo([
'b',
'c',
'd',
['b', 'c', 'd'],
'f',
'g',
'i',
['f', 'g', 'i']
]);
}
}