diff --git a/tests/io_test.cpp b/tests/io_test.cpp
index f1bc4e93..66b0e39e 100644
--- a/tests/io_test.cpp
+++ b/tests/io_test.cpp
@@ -124,6 +124,14 @@ int main() {
     response->write(request->query_string);
   };
 
+  server.resource["^/chunked$"]["POST"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
+    assert(request->path == "/chunked");
+
+    assert(request->content.string() == "SimpleWeb in\r\n\r\nchunks.");
+
+    response->write("6\r\nSimple\r\n3\r\nWeb\r\nE\r\n in\r\n\r\nchunks.\r\n0\r\n\r\n", {{"Transfer-Encoding", "chunked"}});
+  };
+
   thread server_thread([&server]() {
     // Start server
     server.start();
@@ -153,7 +161,6 @@ int main() {
     }
 
     {
-      stringstream output;
       auto r = client.request("POST", "/string", "A string");
       assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::success_ok);
       assert(r->content.string() == "A string");
@@ -208,6 +215,10 @@ int main() {
       output << r->content.rdbuf();
       assert(output.str() == "123");
     }
+    {
+      auto r = client.request("POST", "/chunked", "6\r\nSimple\r\n3\r\nWeb\r\nE\r\n in\r\n\r\nchunks.\r\n0\r\n\r\n", {{"Transfer-Encoding", "chunked"}});
+      assert(r->content.string() == "SimpleWeb in\r\n\r\nchunks.");
+    }
   }
   {
     HttpClient client("localhost:8080");