function NestedArrayTest::testKeyExists

Tests existence of array key.

File

core/tests/Drupal/Tests/Component/Utility/NestedArrayTest.php, line 136

Class

NestedArrayTest

@coversDefaultClass \Drupal\Component\Utility\NestedArray @group Utility

Namespace

Code

public function testKeyExists() : void {
    // Verify that existing key is found.
    $this->assertTrue(NestedArray::keyExists($this->form, $this->parents), 'Nested key found.');
    // Verify that non-existing keys are not found.
    $parents = $this->parents;
    $parents[] = 'foo';
    $this->assertFalse(NestedArray::keyExists($this->form, $parents), 'Non-existing nested key not found.');
}