50 lines
1.6 KiB
PHP
50 lines
1.6 KiB
PHP
<?php
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namespace PhpOffice\PhpSpreadsheetTests\Shared\Trend;
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use PhpOffice\PhpSpreadsheet\Shared\Trend\ExponentialBestFit;
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use PHPUnit\Framework\TestCase;
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class ExponentialBestFitTest extends TestCase
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{
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/**
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* @dataProvider providerExponentialBestFit
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*
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* @param mixed $expectedSlope
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* @param mixed $expectedIntersect
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* @param mixed $expectedGoodnessOfFit
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* @param mixed $yValues
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* @param mixed $xValues
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* @param mixed $expectedEquation
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*/
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public function testExponentialBestFit(
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$expectedSlope,
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$expectedIntersect,
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$expectedGoodnessOfFit,
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$expectedEquation,
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$yValues,
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$xValues
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): void {
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$bestFit = new ExponentialBestFit($yValues, $xValues);
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$slope = $bestFit->getSlope(1);
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self::assertEquals($expectedSlope[0], $slope);
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$slope = $bestFit->getSlope();
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self::assertEquals($expectedSlope[1], $slope);
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$intersect = $bestFit->getIntersect(1);
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self::assertEquals($expectedIntersect[0], $intersect);
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$intersect = $bestFit->getIntersect();
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self::assertEquals($expectedIntersect[1], $intersect);
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$equation = $bestFit->getEquation(2);
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self::assertEquals($expectedEquation, $equation);
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self::assertSame($expectedGoodnessOfFit[0], $bestFit->getGoodnessOfFit(6));
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self::assertSame($expectedGoodnessOfFit[1], $bestFit->getGoodnessOfFit());
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}
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public function providerExponentialBestFit(): array
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{
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return require 'tests/data/Shared/Trend/ExponentialBestFit.php';
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}
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}
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