public function RandomTest::testRandomNamesUniqueness in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/Tests/Component/Utility/RandomTest.php \Drupal\Tests\Component\Utility\RandomTest::testRandomNamesUniqueness()

Tests unique random name generation.

@covers ::name

File

core/tests/Drupal/Tests/Component/Utility/RandomTest.php, line 46

Class

RandomTest

Tests random data generation.

Namespace

Drupal\Tests\Component\Utility

Code

public function testRandomNamesUniqueness() {
  $names = [];
  $random = new Random();
  for ($i = 0; $i <= 10; $i++) {
    $str = $random
      ->name(1, TRUE);
    $this
      ->assertFalse(isset($names[$str]), 'Generated duplicate random name ' . $str);
    $names[$str] = TRUE;
  }
}