<?php
/**
 * PHPUnit
 *
 * Copyright (c) 2002-2009, 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.
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright  2002-2009 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License

 * @link       http://www.phpunit.de/
 * @since      File available since Release 3.3.0
 */

require_once 'BowlingGame.php';

class BowlingGameTest extends PHPUnit_Framework_TestCase
{
    protected $game;

    protected function setUp()
    {
        $this->game = new BowlingGame;
    }

    public function testScoreForGutterGameIs0()
    {
        $this->rollMany(20, 0);
        $this->assertEquals(0, $this->game->score());
    }

    public function testScoreForAllOnesIs20()
    {
        $this->rollMany(20, 1);
        $this->assertEquals(20, $this->game->score());
    }

    public function testScoreForOneSpareAnd3Is16()
    {
        $this->rollSpare();
        $this->game->roll(3);
        $this->rollMany(17, 0);
        $this->assertEquals(16, $this->game->score());
    }

    public function testScoreForOneStrikeAnd3And4Is24()
    {
        $this->rollStrike();
        $this->game->roll(3);
        $this->game->roll(4);
        $this->rollMany(17, 0);
        $this->assertEquals(24, $this->game->score());
    }

    public function testScoreForPerfectGameIs300()
    {
        $this->rollMany(12, 10);
        $this->assertEquals(300, $this->game->score());
    }

    protected function rollMany($n, $pins)
    {
        for ($i = 0; $i < $n; $i++) {
            $this->game->roll($pins);
        }
    }

    protected function rollSpare()
    {
        $this->game->roll(5);
        $this->game->roll(5);
    }

    protected function rollStrike()
    {
        $this->game->roll(10);
    }
}