1 files changed, 19 insertions, 0 deletions
diff --git a/test/js/deno/websocket/websocket.test.ts b/test/js/deno/websocket/websocket.test.ts
new file mode 100644
index 000000000..f414d4adf
--- /dev/null
+++ b/test/js/deno/websocket/websocket.test.ts
@@ -0,0 +1,19 @@
+// Copyright 2018+ the Deno authors. All rights reserved. MIT license.
+// https://raw.githubusercontent.com/denoland/deno/main/cli/tests/unit/websocket_test.ts
+import { assertEquals, assertThrows, deferred, fail } from "deno:harness";
+Deno.test({
+    permissions: "none"
+}, function websocketPermissionless() {
+    assertThrows(()=>new WebSocket("ws://localhost"), Deno.errors.PermissionDenied);
+});
+Deno.test(async function websocketConstructorTakeURLObjectAsParameter() {
+    const promise = deferred();
+    const ws = new WebSocket(new URL("ws://localhost:4242/"));
+    assertEquals(ws.url, "ws://localhost:4242/");
+    ws.onerror = ()=>fail();
+    ws.onopen = ()=>ws.close();
+    ws.onclose = ()=>{
+        promise.resolve();
+    };
+    await promise;
+});