function ContainerTest::testGetForNonExistentParameterDependency

Tests that Container::get() for non-existent parameters works properly.

@covers ::get @covers ::createService @covers ::resolveServicesAndParameters

File

core/tests/Drupal/Tests/Component/DependencyInjection/ContainerTest.php, line 289

Class

ContainerTest

@coversDefaultClass \Drupal\Component\DependencyInjection\Container @group DependencyInjection

Namespace

Code

public function testGetForNonExistentParameterDependency() : void {
    $service = $this->container
        ->get('service_parameter_not_exists', ContainerInterface::NULL_ON_INVALID_REFERENCE);
    $this->assertNull($service, 'Service is NULL.');
}