<?php
declare(strict_types=1);
use JLaso\Gps\Tools;
use JLaso\Gps\Point;
class DistanceTest extends PHPUnit_Framework_TestCase
{
/**
* source: www.distace.to/Origin/Destination
*
* Paris/Madrid 1.052,69 km #1 Paris (48.856667,2.350987) #2 Madrid (40.416691,-3.700345)
*/
function testParisMadridDistance()
{
$distance = Tools::distance(48.856667, 2.350987, 40.416691, -3.700345);
// Let assume the result it's okay if the error of calculated distance is less than 1/1000 (1km)
$this->assertLessThan(1.052, abs(1052.69 - $distance));
// now use the indirect method to calculate distance in the same conditions
$madrid = new Point(40.416691,-3.700345);
$paris = new Point(48.856667,2.350987);
$this->assertLessThan(1.052, abs(1052.69 - $madrid->distanceTo($paris)));
}
}
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