/**
* Tests ConfigNamesMapper::populateFromRouteMatch().
*/
public function testPopulateFromRouteMatch()
{
// Make sure the language code is not set initially.
$this->assertSame(NULL, $this->configNamesMapper->getInternalLangcode());
// Test that an empty request does not set the language code.
$route_match = new RouteMatch('example', new Route('/test/{langcode}'));
$this->configNamesMapper->populateFromRouteMatch($route_match);
$this->assertSame(NULL, $this->configNamesMapper->getInternalLangcode());
// Test that a request with a 'langcode' attribute sets the language code.
$route_match = new RouteMatch('example', new Route('/test/{langcode}'), ['langcode' => 'xx']);
$this->configNamesMapper->populateFromRouteMatch($route_match);
$this->assertSame('xx', $this->configNamesMapper->getInternalLangcode());
// Test that the language code gets unset with the wrong request.
$route_match = new RouteMatch('example', new Route('/test/{langcode}'));
$this->configNamesMapper->populateFromRouteMatch($route_match);
$this->assertSame(NULL, $this->configNamesMapper->getInternalLangcode());
}
