function DrupalTest::testPhpConstants

Tests the PHP constants have consistent values.

File

core/tests/Drupal/Tests/Core/DrupalTest.php, line 441

Class

DrupalTest

Tests the Drupal class.

Namespace

Code

public function testPhpConstants() : void {
    // RECOMMENDED_PHP can be just MAJOR.MINOR so normalize it to allow using
    // version_compare().
    $normalizer = function (string $version) : string {
        // The regex below is from \Composer\Semver\VersionParser::normalize().
        preg_match('{^(\\d{1,5})(\\.\\d++)?(\\.\\d++)?$}i', $version, $matches);
        return $matches[1] . (!empty($matches[2]) ? $matches[2] : '.9999999') . (!empty($matches[3]) ? $matches[3] : '.9999999');
    };
    $recommended_php = $normalizer(\Drupal::RECOMMENDED_PHP);
    $this->assertTrue(version_compare($recommended_php, \Drupal::MINIMUM_PHP, '>='), "\\Drupal::RECOMMENDED_PHP should be greater or equal to \\Drupal::MINIMUM_PHP");
    // As this test depends on the $normalizer function it is tested.
    $this->assertSame('10.9999999.9999999', $normalizer('10'));
    $this->assertSame('10.1.9999999', $normalizer('10.1'));
    $this->assertSame('10.1.2', $normalizer('10.1.2'));
}