BroadcastChannel: origin of events

For whatwg/html#2689.
web-platform-tests · May 17, 2017 · 4c79b9e · 4c79b9e
1 parent d9e8cd5
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diff --git a/webmessaging/broadcastchannel/origin.window.js b/webmessaging/broadcastchannel/origin.window.js
@@ -0,0 +1,10 @@
+async_test(t => {
+  const crossOriginURL = new URL("resources/origin.html", self.location.href).href.replace("://", "://天気の良い日."),
+        frame = document.createElement("iframe");
+  frame.src = crossOriginURL;
+  document.body.appendChild(frame);
+  t.add_cleanup(() => frame.remove());
+  self.onmessage = t.step_func_done(e => {
+    assert_equals(e.data, self.origin.replace("://", "://xn--n8j6ds53lwwkrqhv28a."));
+  });
+}, "Serialization of BroadcastChannel origin");
diff --git a/webmessaging/broadcastchannel/resources/origin.html b/webmessaging/broadcastchannel/resources/origin.html
@@ -0,0 +1,8 @@
+<script>
+const bc1 = new BroadcastChannel("ladila"),
+      bc2 = new BroadcastChannel("ladila");
+bc2.onmessage = e => {
+  parent.postMessage(e.origin, "*");
+}
+bc1.postMessage("does not matter");
+</script>