function AttributeTest::testMergeArgumentException

@covers ::merge

File

core/tests/Drupal/Tests/Core/Template/AttributeTest.php, line 519

Class

AttributeTest

@coversDefaultClass \Drupal\Core\Template\Attribute @group Template

Namespace

Code

public function testMergeArgumentException() : void {
    $attributes = new Attribute([
        'class' => [
            'example-class',
        ],
    ]);
    $this->expectException(\TypeError::class);
    $attributes->merge('not an array');
}