1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/websockets/handlers/receive-backpressure_wsh.py b/testing/web-platform/tests/websockets/handlers/receive-backpressure_wsh.py
new file mode 100755
index 0000000000..9c2e4709fd
--- /dev/null
+++ b/testing/web-platform/tests/websockets/handlers/receive-backpressure_wsh.py
@@ -0,0 +1,14 @@
+#!/usr/bin/python
+
+import time
+
+
+def web_socket_do_extra_handshake(request):
+    # Turn off permessage-deflate, otherwise it shrinks our 8MB buffer to 8KB.
+    request.ws_extension_processors = []
+
+
+def web_socket_transfer_data(request):
+    # Wait two seconds to cause backpressure.
+    time.sleep(2);
+    request.ws_stream.receive_message()