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<?php
/**
* PHPUnit
*
* Copyright (c) 2001-2013, Sebastian Bergmann <sebastian@phpunit.de>.
* 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 Sebastian Bergmann nor the names of his
* 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 OWNER OR 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.
*
* @package PHPUnit
* @subpackage Util
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since File available since Release 3.1.0
*/
/**
* Iterator for test suites.
*
* @package PHPUnit
* @subpackage Util
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since Class available since Release 3.1.0
*/
class PHPUnit_Util_TestSuiteIterator implements RecursiveIterator
{
/**
* @var integer
*/
protected $position;
/**
* @var PHPUnit_Framework_Test[]
*/
protected $tests;
/**
* Constructor.
*
* @param PHPUnit_Framework_TestSuite $suite
*/
public function __construct(PHPUnit_Framework_TestSuite $testSuite)
{
$this->tests = $testSuite->tests();
}
/**
* Rewinds the Iterator to the first element.
*
*/
public function rewind()
{
$this->position = 0;
}
/**
* Checks if there is a current element after calls to rewind() or next().
*
* @return boolean
*/
public function valid()
{
return $this->position < count($this->tests);
}
/**
* Returns the key of the current element.
*
* @return integer
*/
public function key()
{
return $this->position;
}
/**
* Returns the current element.
*
* @return PHPUnit_Framework_Test
*/
public function current()
{
return $this->valid() ? $this->tests[$this->position] : NULL;
}
/**
* Moves forward to next element.
*
*/
public function next()
{
$this->position++;
}
/**
* Returns the sub iterator for the current element.
*
* @return PHPUnit_Util_TestSuiteIterator
*/
public function getChildren()
{
return new PHPUnit_Util_TestSuiteIterator(
$this->tests[$this->position]
);
}
/**
* Checks whether the current element has children.
*
* @return boolean
*/
public function hasChildren()
{
return $this->tests[$this->position] instanceof PHPUnit_Framework_TestSuite;
}
}
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