34 lines
		
	
	
		
			926 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			34 lines
		
	
	
		
			926 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
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								<?php
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								namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\Statistical;
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								use PhpOffice\PhpSpreadsheet\Calculation\Statistical;
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								use PHPUnit\Framework\TestCase;
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								class LinEstTest extends TestCase
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								{
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								    /**
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								     * @dataProvider providerLINEST
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								     *
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								     * @param mixed $expectedResult
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								     * @param mixed $xValues
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								     * @param mixed $yValues
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								     * @param mixed $const
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								     * @param mixed $stats
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								     */
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								    public function testLINEST($expectedResult, $yValues, $xValues, $const, $stats): void
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								    {
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								        $result = Statistical::LINEST($yValues, $xValues, $const, $stats);
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								        $elements = count($expectedResult);
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								        for ($element = 0; $element < $elements; ++$element) {
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								            self::assertEqualsWithDelta($expectedResult[$element], $result[$element], 1E-12);
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								        }
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								    }
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								    public function providerLINEST()
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								    {
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								        return require 'tests/data/Calculation/Statistical/LINEST.php';
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								    }
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								}
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