function RandomTest::testRandomStringException

Same name in other branches
  1. 9 core/tests/Drupal/Tests/Component/Utility/RandomTest.php \Drupal\Tests\Component\Utility\RandomTest::testRandomStringException()
  2. 8.9.x core/tests/Drupal/Tests/Component/Utility/RandomTest.php \Drupal\Tests\Component\Utility\RandomTest::testRandomStringException()
  3. 11.x core/tests/Drupal/Tests/Component/Utility/RandomTest.php \Drupal\Tests\Component\Utility\RandomTest::testRandomStringException()

Tests infinite loop prevention whilst generating random strings.

@covers ::string

File

core/tests/Drupal/Tests/Component/Utility/RandomTest.php, line 79

Class

RandomTest
Tests random data generation.

Namespace

Drupal\Tests\Component\Utility

Code

public function testRandomStringException() : void {
    // There are fewer than 100 possibilities so an exception should occur to
    // prevent infinite loops.
    $random = new Random();
    $this->expectException(\RuntimeException::class);
    for ($i = 0; $i <= 100; $i++) {
        $str = $random->string(1, TRUE);
        $names[$str] = TRUE;
    }
}

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