From ffb4c0bf563a09903b0bca5ccc5483bed1522aba Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Thu, 29 Aug 2024 16:51:16 +0200
Subject: [PATCH] Let fake WebSocket handle large sends

Dynamically grow the recorded send buffer if the test needs to send a
lot of data.
---
 tests/fake.websocket.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/fake.websocket.js b/tests/fake.websocket.js
index d273fe07..f1b30713 100644
--- a/tests/fake.websocket.js
+++ b/tests/fake.websocket.js
@@ -37,6 +37,15 @@ export default class FakeWebSocket {
         } else {
             data = new Uint8Array(data);
         }
+        if (this.bufferedAmount + data.length > this._sendQueue.length) {
+            let newlen = this._sendQueue.length;
+            while (this.bufferedAmount + data.length > newlen) {
+                newlen *= 2;
+            }
+            let newbuf = new Uint8Array(newlen);
+            newbuf.set(this._sendQueue);
+            this._sendQueue = newbuf;
+        }
         this._sendQueue.set(data, this.bufferedAmount);
         this.bufferedAmount += data.length;
     }