Test the applies method.
public function testApplies() {
$route = new Route('/test-route');
$this
->assertFalse($this->accessChecker
->applies($route), 'Access checker applied even no _access was defined as requirement.');
$route
->addRequirements(array(
'_access' => 'FALSE',
));
$this
->assertTrue($this->accessChecker
->applies($route), 'Access checker applied even a _access was defined as requirement.');
$route
->addRequirements(array(
'_access' => 'TRUE',
));
$this
->assertTrue($this->accessChecker
->applies($route), 'Access checker applied even a _access was defined as requirement.');
}