Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/dom/messagechannel/tests/unit/chromeWorker_messageChannel.js b/dom/messagechannel/tests/unit/chromeWorker_messageChannel.js
new file mode 100644
index 0000000000..3f557a4fb2
--- /dev/null
+++ b/dom/messagechannel/tests/unit/chromeWorker_messageChannel.js
@@ -0,0 +1,14 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+onmessage = function (pingEvt) {
+  if (pingEvt.data == "ping") {
+    let { port1, port2 } = new MessageChannel();
+    port2.onmessage = helloEvt => {
+      if (helloEvt.data == "hello") {
+        helloEvt.ports[0].postMessage("goodbye");
+      }
+    };
+    pingEvt.ports[0].postMessage("pong", [port1]);
+  }
+};