TrustedObject example

public function providerTestTrustedCallbacks() {
    $closure = function D) {
      return 'test';
    };

    $tests['closure'] = [$closure];
    $tests['TrustedCallbackInterface_object'] = [[new TrustedMethods(), 'callback'], TrustedInterface::class];
    $tests['TrustedCallbackInterface_object_attribute'] = [[new TrustedMethods(), 'attributeCallback'], TrustedInterface::class];
    $tests['TrustedCallbackInterface_static_string'] = ['\Drupal\Tests\Core\Security\TrustedMethods::callback', TrustedInterface::class];
    $tests['TrustedCallbackInterface_static_array'] = [[TrustedMethods::class, 'callback'], TrustedInterface::class];
    $tests['TrustedCallbackInterface_static_array_attribute'] = [[TrustedMethods::class, 'attributeCallback'], TrustedInterface::class];
    $tests['extra_trusted_interface_object'] = [[new TrustedObject(), 'callback'], TrustedInterface::class];
    $tests['extra_trusted_interface_static_string'] = ['\Drupal\Tests\Core\Security\TrustedObject::callback', TrustedInterface::class];
    $tests['extra_trusted_interface_static_array'] = [[TrustedObject::class, 'callback'], TrustedInterface::class];
    return $tests;
  }

  /** * @covers ::doTrustedCallback * @dataProvider providerTestUntrustedCallbacks */
  public function testUntrustedCallbacks(callable $callback, $extra_trusted_interface = NULL) {
    $this->expectException(UntrustedCallbackException::class);