public function FormStateValuesTraitTest::testGetValueModifyReturn in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Core/Form/FormStateValuesTraitTest.php \Drupal\Tests\Core\Form\FormStateValuesTraitTest::testGetValueModifyReturn()

@covers ::getValue

File

core/tests/Drupal/Tests/Core/Form/FormStateValuesTraitTest.php, line 92

Class

FormStateValuesTraitTest

@coversDefaultClass \Drupal\Core\Form\FormStateValuesTrait

Namespace

Drupal\Tests\Core\Form

Code

public function testGetValueModifyReturn() {
  $initial_values = $values = [
    'foo' => 'one',
    'bar' => [
      'baz' => 'two',
    ],
  ];
  $form_state = (new FormStateValuesTraitStub())
    ->setValues($values);
  $value =& $form_state
    ->getValue(NULL);
  $this
    ->assertSame($initial_values, $value);
  $value = [
    'bing' => 'bang',
  ];
  $this
    ->assertSame([
    'bing' => 'bang',
  ], $form_state
    ->getValues());
  $this
    ->assertSame('bang', $form_state
    ->getValue('bing'));
  $this
    ->assertSame([
    'bing' => 'bang',
  ], $form_state
    ->getValue(NULL));
}