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File: vendor/sebastian/comparator/src/NumericComparator.php

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File: vendor/sebastian/comparator/src/NumericComparator.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Pokemon Script
Provides an API to manage a database of Pokemons
Author: By
Last change:
Date: 6 years ago
Size: 2,231 bytes
 

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<?php
/*
 * This file is part of the Comparator package.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace SebastianBergmann\Comparator;

/**
 * Compares numerical values for equality.
 */
class NumericComparator extends ScalarComparator
{
   
/**
     * Returns whether the comparator can compare two values.
     *
     * @param mixed $expected The first value to compare
     * @param mixed $actual The second value to compare
     * @return bool
     */
   
public function accepts($expected, $actual)
    {
       
// all numerical values, but not if one of them is a double
        // or both of them are strings
       
return is_numeric($expected) && is_numeric($actual) &&
               !(
is_double($expected) || is_double($actual)) &&
               !(
is_string($expected) && is_string($actual));
    }

   
/**
     * Asserts that two values are equal.
     *
     * @param mixed $expected First value to compare
     * @param mixed $actual Second value to compare
     * @param float $delta Allowed numerical distance between two values to consider them equal
     * @param bool $canonicalize Arrays are sorted before comparison when set to true
     * @param bool $ignoreCase Case is ignored when set to true
     *
     * @throws ComparisonFailure
     */
   
public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
    {
        if (
is_infinite($actual) && is_infinite($expected)) {
            return;
        }

        if ((
is_infinite($actual) xor is_infinite($expected)) ||
            (
is_nan($actual) or is_nan($expected)) ||
           
abs($actual - $expected) > $delta) {
            throw new
ComparisonFailure(
               
$expected,
               
$actual,
               
'',
               
'',
               
false,
               
sprintf(
                   
'Failed asserting that %s matches expected %s.',
                   
$this->exporter->export($actual),
                   
$this->exporter->export($expected)
                )
            );
        }
    }
}