1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/websockets/interfaces/WebSocket/close/close-connecting-async.any.js b/testing/web-platform/tests/websockets/interfaces/WebSocket/close/close-connecting-async.any.js
new file mode 100644
index 0000000000..88005520b0
--- /dev/null
+++ b/testing/web-platform/tests/websockets/interfaces/WebSocket/close/close-connecting-async.any.js
@@ -0,0 +1,31 @@
+// META: script=../../../constants.sub.js
+// META: variant=?default
+// META: variant=?wpt_flags=h2
+// META: variant=?wss
+
+async_test(t => {
+  const ws = new WebSocket(SCHEME_DOMAIN_PORT + '/handshake_sleep_2');
+  let closeMethodReturned = false;
+  let errorEventSeen = false;
+  let closeEventSeen = false;
+  ws.onerror = t.step_func(() => {
+    assert_true(closeMethodReturned, 'ws.close() should have returned');
+    assert_false(errorEventSeen, 'error event should only fire once');
+    errorEventSeen = true;
+    assert_false(closeEventSeen, 'error event should come before close event');
+  });
+  ws.onclose = t.step_func_done(() => {
+    assert_true(closeMethodReturned, 'ws.close() should have returned');
+    assert_true(errorEventSeen, 'error event should have fired');
+    assert_false(closeEventSeen, 'close event should only fire once');
+    closeEventSeen = true;
+    assert_equals(ws.readyState, WebSocket.CLOSED,
+                  'readyState should be CLOSED');
+  });
+  assert_equals(ws.readyState, WebSocket.CONNECTING,
+                'readyState should be CONNECTING');
+  ws.close();
+  closeMethodReturned = true;
+  assert_equals(ws.readyState, WebSocket.CLOSING,
+                'readyState should be CLOSING');
+}, 'close event should be fired asynchronously when WebSocket is connecting');