function ElementTest::testInvalidChildren

Tests the children() method with an invalid key.

File

core/tests/Drupal/Tests/Core/Render/ElementTest.php, line 106

Class

ElementTest

@coversDefaultClass <a href="/api/drupal/core%21lib%21Drupal%21Core%21Render%21Element.php/class/Element/8.9.x" title="Provides helper methods for Drupal render elements." class="local">\Drupal\Core\Render\Element</a> @group Render

Namespace

Code

public function testInvalidChildren() {
    $element = [
        'foo' => 'bar',
    ];
    $this->expectException(Error::class);
    $this->expectExceptionMessage('"foo" is an invalid render array key');
    Element::children($element);
}