/**
* Tests the fillHeaderBackreferences() method
*
* @return void
*/
public function testFillHeaderBackreferences()
{
// Get the objects we need
$rewriteModule = new MockRewriteModule();
$request = new HttpRequest();
$serverContext = new ServerContext();
// Do the thing
$serverContext->init(new MockServerConfig(null));
$rewriteModule->init($serverContext);
$request->addHeader('Host', 'test-host.com');
$rewriteModule->fillHeaderBackreferences($request);
// Test what we got
$this->assertTrue(isset($rewriteModule->getServerBackreferences()['$Host']));
$this->assertTrue(isset($rewriteModule->getServerBackreferences()['$HTTP_HOST']));
$this->assertEquals('test-host.com', $rewriteModule->getServerBackreferences()['$HTTP_HOST']);
}