TranslationWrapperTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\StringTranslation;

use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\StringTranslation\TranslationWrapper;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the TranslationWrapper backward compatibility layer.
 *
 * @coversDefaultClass \Drupal\Core\StringTranslation\TranslationWrapper
 * @group StringTranslation
 */
class TranslationWrapperTest extends UnitTestCase {
    
    /**
     * @covers ::__construct
     */
    public function testTranslationWrapper() : void {
        $object = new TranslationWrapper('Backward compatibility');
        $this->assertInstanceOf(TranslatableMarkup::class, $object);
    }

}