function NestedArrayTest::testUnsetValue

Tests unsetting nested array values.

@covers ::unsetValue

File

core/tests/Drupal/Tests/Component/Utility/NestedArrayTest.php, line 116

Class

NestedArrayTest

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

Namespace

Code

public function testUnsetValue() : void {
    // Verify unsetting a non-existing nested element throws no errors and the
    // non-existing key is properly reported.
    $key_existed = NULL;
    $parents = $this->parents;
    $parents[] = 'foo';
    NestedArray::unsetValue($this->form, $parents, $key_existed);
    $this->assertTrue(isset($this->form['details']['element']['#value']), 'Outermost nested element key still exists.');
    $this->assertFalse($key_existed, 'Non-existing key not found.');
    // Verify unsetting a nested element.
    $key_existed = NULL;
    NestedArray::unsetValue($this->form, $this->parents, $key_existed);
    $this->assertFalse(isset($this->form['details']['element']), 'Removed nested element not found.');
    $this->assertTrue($key_existed, 'Existing key was found.');
}