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<?php
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/**
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* PHPUnit
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*
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* Copyright (c) 2002-2010, Sebastian Bergmann <sb@sebastian-bergmann.de>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the name of Sebastian Bergmann nor the names of his
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @category Testing
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* @package PHPUnit
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* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
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* @copyright 2002-2010 Sebastian Bergmann <sb@sebastian-bergmann.de>
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @link http://www.phpunit.de/
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* @since File available since Release 3.3.0
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*/
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class BowlingGame
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{
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protected $rolls = array();
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public function roll($pins)
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{
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$this->rolls[] = $pins;
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}
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protected function isSpare($frameIndex)
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{
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return $this->sumOfPinsInFrame($frameIndex) == 10;
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}
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protected function isStrike($frameIndex)
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{
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return $this->rolls[$frameIndex] == 10;
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}
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protected function sumOfPinsInFrame($frameIndex)
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{
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return $this->rolls[$frameIndex] +
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$this->rolls[$frameIndex + 1];
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}
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protected function spareBonus($frameIndex)
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{
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return $this->rolls[$frameIndex + 2];
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}
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protected function strikeBonus($frameIndex)
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{
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return $this->rolls[$frameIndex + 1] +
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$this->rolls[$frameIndex + 2];
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}
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public function score()
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{
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$score = 0;
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$frameIndex = 0;
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for ($frame = 0; $frame < 10; $frame++) {
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if ($this->isStrike($frameIndex)) {
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$score += 10 + $this->strikeBonus($frameIndex);
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$frameIndex++;
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}
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else if ($this->isSpare($frameIndex)) {
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$score += 10 + $this->spareBonus($frameIndex);
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$frameIndex += 2;
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}
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else {
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$score += $this->sumOfPinsInFrame($frameIndex);
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$frameIndex += 2;
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}
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}
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return $score;
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}
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}
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