phpOMS/tests/Math/Geometry/ConvexHull/GrahamScanTest.php
2024-05-18 18:59:09 +00:00

51 lines
1.4 KiB
PHP

<?php
/**
* Jingga
*
* PHP Version 8.2
*
* @package tests
* @copyright Dennis Eichhorn
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
declare(strict_types=1);
namespace phpOMS\tests\Math\Geometry\ConvexHull;
include_once __DIR__ . '/../../../Autoloader.php';
use phpOMS\Math\Geometry\ConvexHull\GrahamScan;
/**
* @internal
*/
#[\PHPUnit\Framework\Attributes\CoversClass(\phpOMS\Math\Geometry\ConvexHull\GrahamScan::class)]
#[\PHPUnit\Framework\Attributes\TestDox('phpOMS\tests\Math\Geometry\ConvexHull\GrahamScanTest: Monotone chain')]
final class GrahamScanTest extends \PHPUnit\Framework\TestCase
{
#[\PHPUnit\Framework\Attributes\Group('framework')]
#[\PHPUnit\Framework\Attributes\TestDox('A convex hull can be formed from multiple points on a plane')]
public function testGrahamScan() : void
{
self::assertEquals([['x' => 9, 'y' => 0]], GrahamScan::createConvexHull([['x' => 9, 'y' => 0]]));
$points = [];
for ($i = 0; $i < 10; ++$i) {
for ($j = 0; $j < 10; ++$j) {
$points[] = ['x' => $i, 'y' => $j];
}
}
self::assertEquals([
['x' => 0, 'y' => 0],
['x' => 9, 'y' => 0],
['x' => 9, 'y' => 9],
['x' => 0, 'y' => 9],
],
GrahamScan::createConvexHull($points)
);
}
}