public function XssTest::testQuestionSign in Drupal 10

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Component/Utility/XssTest.php \Drupal\Tests\Component\Utility\XssTest::testQuestionSign()
2. 9 core/tests/Drupal/Tests/Component/Utility/XssTest.php \Drupal\Tests\Component\Utility\XssTest::testQuestionSign()

Checks that strings starting with a question sign are correctly processed.

File

core/tests/Drupal/Tests/Component/Utility/XssTest.php, line 485

Class

XssTest

XSS Filtering tests.

Namespace

Drupal\Tests\Component\Utility

Code

public function testQuestionSign() {
  $value = Xss::filter('<?xml:namespace ns="urn:schemas-microsoft-com:time">');
  $this
    ->assertStringNotContainsStringIgnoringCase('<?xml', $value, 'HTML tag stripping evasion -- starting with a question sign (processing instructions).');
}