<?php
/**
 * PHPUnit
 *
 * Copyright (c) 2010-2013, Sebastian Bergmann <sb@sebastian-bergmann.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_MockObject
 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright  2010-2013 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @link       http://github.com/sebastianbergmann/phpunit-mock-objects
 * @since      File available since Release 1.1.0
 */

/**
 * Stubs a method by returning a value from a map.
 *
 * @package    PHPUnit_MockObject
 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright  2010-2013 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version    Release: 1.2.3
 * @link       http://github.com/sebastianbergmann/phpunit-mock-objects
 * @since      Class available since Release 1.1.0
 */
class PHPUnit_Framework_MockObject_Stub_ReturnValueMap implements PHPUnit_Framework_MockObject_Stub
{
    protected $valueMap;

    public function __construct(array $valueMap)
    {
        $this->valueMap = $valueMap;
    }

    public function invoke(PHPUnit_Framework_MockObject_Invocation $invocation)
    {
        $parameterCount = count($invocation->parameters);

        foreach ($this->valueMap as $map) {
            if (!is_array($map) || $parameterCount != count($map) - 1) {
                continue;
            }

            $return = array_pop($map);
            if ($invocation->parameters === $map) {
                return $return;
            }
        }

        return NULL;
    }

    public function toString()
    {
        return 'return value from a map';
    }
}
