1 files changed, 11 insertions, 0 deletions
diff --git a/cli/tests/websocket_test.ts b/cli/tests/websocket_test.ts
index b5f865943..8a7fc812c 100644
--- a/cli/tests/websocket_test.ts
+++ b/cli/tests/websocket_test.ts
@@ -295,3 +295,14 @@ Deno.test("Event Handlers order", async () => {
   };
   await promise;
 });
+
+Deno.test("Close without frame", async () => {
+  const promise = deferred();
+  const ws = new WebSocket("ws://localhost:4244");
+  ws.onerror = (): void => fail();
+  ws.onclose = (e): void => {
+    assertEquals(e.code, 1005);
+    promise.resolve();
+  };
+  await promise;
+});