public function NestedArrayTest::testKeyExists in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Component/Utility/NestedArrayTest.php \Drupal\Tests\Component\Utility\NestedArrayTest::testKeyExists()

Tests existence of array key.

File

core/tests/Drupal/Tests/Component/Utility/NestedArrayTest.php, line 130

Class

NestedArrayTest

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

Namespace

Drupal\Tests\Component\Utility

Code

public function testKeyExists() {

  // 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.');
}