function RandomTest::testRandomStringUniqueness

Tests unique random string generation.

@covers ::string

File

core/tests/Drupal/Tests/Component/Utility/RandomTest.php, line 33

Class

RandomTest

Tests random data generation.

Namespace

Code

public function testRandomStringUniqueness() : void {
  $strings = [];
  $random = new Random();
  for ($i = 0; $i <= 50; $i++) {
    $str = $random->string(1, TRUE);
    $this->assertFalse(isset($strings[$str]), 'Generated duplicate random string ' . $str);
    $strings[$str] = TRUE;
  }
}