1 files changed, 8 insertions, 0 deletions
diff --git a/std/ws/test.ts b/std/ws/test.ts
index 5a0ff9929..3f5475c80 100644
--- a/std/ws/test.ts
+++ b/std/ws/test.ts
@@ -8,6 +8,7 @@ import {
   acceptable,
   connectWebSocket,
   createSecAccept,
+  createSecKey,
   handshake,
   OpCode,
   readFrame,
@@ -328,6 +329,13 @@ test("WebSocket.send(), WebSocket.ping() should be exclusive", async (): Promise
   assertEquals(bytes.equal(third.payload, new Uint8Array([3])), true);
 });
 
+test(function createSecKeyHasCorrectLength(): void {
+  // Note: relies on --seed=86 being passed to deno to reproduce failure in
+  // #4063.
+  const secKey = createSecKey();
+  assertEquals(atob(secKey).length, 16);
+});
+
 test("WebSocket should throw SocketClosedError when peer closed connection without close frame", async () => {
   const buf = new Buffer();
   const eofReader: Deno.Reader = {