RearrangeFilterTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\views_ui\Unit\Form\Ajax;

use Drupal\Tests\UnitTestCase;
use Drupal\views_ui\Form\Ajax\RearrangeFilter;

/**
 * Unit tests for Views UI module functions.
 *
 * @group views_ui
 */
class RearrangeFilterTest extends UnitTestCase {
  
  /**
   * Tests static methods.
   */
  public function testStaticMethods() : void {
    // Test the RearrangeFilter::arrayKeyPlus method.
    $original = [
      0 => 'one',
      1 => 'two',
      2 => 'three',
    ];
    $expected = [
      1 => 'one',
      2 => 'two',
      3 => 'three',
    ];
    $this->assertSame(RearrangeFilter::arrayKeyPlus($original), $expected);
  }

}