function AttributeHelperTest::testMergeCollectionsArgumentException

@covers ::mergeCollections

File

core/tests/Drupal/Tests/Core/Template/AttributeHelperTest.php, line 72

Class

AttributeHelperTest

@coversDefaultClass \Drupal\Core\Template\AttributeHelper[[api-linebreak]] @group Template

Namespace

Code

public function testMergeCollectionsArgumentException() {
  $attributes = new Attribute([
    'class' => [
      'example-class',
    ],
  ]);
  $this->expectException(\InvalidArgumentException::class);
  $this->expectExceptionMessage('Invalid collection argument');
  AttributeHelper::mergeCollections($attributes, 'not an array');
  $this->expectException(\InvalidArgumentException::class);
  $this->expectExceptionMessage('Invalid collection argument');
  AttributeHelper::mergeCollections('not an array', $attributes);
}