[HttpKernel] added some unit tests

src/Symfony/Component/HttpKernel/Tests/EventListener/RouterListenerTest.php

@@ -106,4 +106,34 @@ class RouterListenerTest extends \PHPUnit_Framework_TestCase
         $listener = new RouterListener($requestMatcher);
         $listener->onKernelRequest($event);
     }
+
+    public function testSubRequestWithDifferentMethod()
+    {
+        $kernel = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
+        $request = Request::create('http://localhost/', 'post');
+        $event = new GetResponseEvent($kernel, $request, HttpKernelInterface::MASTER_REQUEST);
+
+        $requestMatcher = $this->getMock('Symfony\Component\Routing\Matcher\RequestMatcherInterface');
+        $requestMatcher->expects($this->any())
+                       ->method('matchRequest')
+                       ->with($this->isInstanceOf('Symfony\Component\HttpFoundation\Request'))
+                       ->will($this->returnValue(array()));
+
+        $context = new RequestContext();
+        $requestMatcher->expects($this->any())
+                       ->method('getContext')
+                       ->will($this->returnValue($context));
+
+        $listener = new RouterListener($requestMatcher);
+        $listener->onKernelRequest($event);
+
+        // sub-request with another HTTP method
+        $kernel = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
+        $request = Request::create('http://localhost/', 'get');
+        $event = new GetResponseEvent($kernel, $request, HttpKernelInterface::SUB_REQUEST);
+
+        $listener->onKernelRequest($event);
+
+        $this->assertEquals('GET', $context->getMethod());
+    }
 }