mirror of
https://github.com/furyfire/trueskill.git
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37 lines
1.2 KiB
PHP
37 lines
1.2 KiB
PHP
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<?php
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namespace Moserware\Skills\TrueSkill;
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require_once 'PHPUnit/Framework.php';
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require_once 'PHPUnit/TextUI/TestRunner.php';
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require_once(dirname(__FILE__) . '/../../PHPSkills/TrueSkill/DrawMargin.php');
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use \PHPUnit_Framework_TestCase;
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class DrawMarginTest extends PHPUnit_Framework_TestCase
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{
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const ERROR_TOLERANCE = 0.000001;
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public function testGetDrawMarginFromDrawProbability()
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{
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$beta = 25.0 / 6.0;
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// The expected values were compared against Ralf Herbrich's implementation in F#
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$this->assertDrawMargin(0.10, $beta, 0.74046637542690541);
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$this->assertDrawMargin(0.25, $beta, 1.87760059883033);
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$this->assertDrawMargin(0.33, $beta, 2.5111010132487492);
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}
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private function assertDrawMargin($drawProbability, $beta, $expected)
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{
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$actual = DrawMargin::getDrawMarginFromDrawProbability($drawProbability, $beta);
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$this->assertEquals($expected, $actual, '', DrawMarginTest::ERROR_TOLERANCE);
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}
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}
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$testSuite = new \PHPUnit_Framework_TestSuite();
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$testSuite->addTest( new DrawMarginTest( "testGetDrawMarginFromDrawProbability" ) );
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\PHPUnit_TextUI_TestRunner::run($testSuite);
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?>
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