1 files changed, 17 insertions, 0 deletions
diff --git a/testing/web-platform/tests/websockets/Close-2999-reason.any.js b/testing/web-platform/tests/websockets/Close-2999-reason.any.js
new file mode 100644
index 0000000000..6336c7db4f
--- /dev/null
+++ b/testing/web-platform/tests/websockets/Close-2999-reason.any.js
@@ -0,0 +1,17 @@
+// META: script=constants.sub.js
+// META: variant=?default
+// META: variant=?wss
+// META: variant=?wpt_flags=h2
+
+var test = async_test("Create WebSocket - Close the Connection - close(2999, reason) - INVALID_ACCESS_ERR is thrown");
+
+var wsocket = CreateWebSocket(false, false);
+
+wsocket.addEventListener('open', test.step_func(function(evt) {
+  assert_throws_dom("INVALID_ACCESS_ERR", function() {
+    wsocket.close(2999, "Close not in range 3000-4999")
+  });
+  test.done();
+}), true);
+
+wsocket.addEventListener('close', test.unreached_func('close event should not fire'), true);