function ContainerTest::testResolveServicesAndParametersForOptionalServiceDependencies

Tests that services that are optional work correctly.

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

File

core/tests/Drupal/Tests/Component/DependencyInjection/ContainerTest.php, line 588

Class

ContainerTest

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

Namespace

Code

public function testResolveServicesAndParametersForOptionalServiceDependencies() {
    $service = $this->container
        ->get('service_with_optional_dependency');
    $this->assertNull($service->getSomeOtherService(), 'other service was NULL was expected.');
}