diff --git a/dlls/wininet/tests/http.c b/dlls/wininet/tests/http.c
index e84ffa3..c36f67e 100644
--- a/dlls/wininet/tests/http.c
+++ b/dlls/wininet/tests/http.c
@@ -4718,6 +4718,20 @@ static void test_http_read(int port)
 
     close_async_handle(req.session, hCompleteEvent, 2);
 
+    open_read_test_request(port, &req,
+                           "HTTP/1.1 200 OK\r\n"
+                           "Server: winetest\r\n"
+                           "Transfer-Encoding: chunked\r\n"
+                           "\r\n");
+    readex_expect_async(req.request, IRF_NO_WAIT, &ib, sizeof(buf));
+    send_response_and_wait("9\r\n123456789", FALSE, &ib);
+    readex_expect_sync_data(req.request, IRF_NO_WAIT, &ib, sizeof(buf), "123456789");
+    readex_expect_async(req.request, IRF_NO_WAIT, &ib, sizeof(buf));
+    send_response_and_wait("\r\n1\r\nx\r\n0\r\n\r\n", TRUE, &ib);
+    readex_expect_sync_data(req.request, IRF_NO_WAIT, &ib, sizeof(buf), "x");
+    readex_expect_sync_data(req.request, IRF_NO_WAIT, &ib, sizeof(buf), "");
+    close_async_handle(req.session, hCompleteEvent, 2);
+
     CloseHandle(hCompleteEvent);
     CloseHandle(conn_wait_event);
     CloseHandle(server_req_rec_event);