1 files changed, 36 insertions, 0 deletions
diff --git a/browser/components/newtab/tests/browser/newtabwebchannel_basic.html b/browser/components/newtab/tests/browser/newtabwebchannel_basic.html
new file mode 100644
index 000000000..7f3c79920
--- /dev/null
+++ b/browser/components/newtab/tests/browser/newtabwebchannel_basic.html
@@ -0,0 +1,36 @@
+<html>
+    <head>
+        <meta charset="utf8">
+        <title>Newtab WebChannel test</title>
+    </head>
+    <body>
+        <script>
+            document.onreadystatechange = function () {
+                let msg = new window.CustomEvent("WebChannelMessageToChrome", {
+                    detail: JSON.stringify({
+                        id: "newtab",
+                        message: JSON.stringify({type: "foo", data: "bar"}),
+                    })
+                });
+                window.dispatchEvent(msg);
+            };
+
+            window.addEventListener("WebChannelMessageToContent", function(e) {
+                if (e.detail.message && e.detail.message.type.startsWith("respond")) {
+                    var detail = {
+                        id: "newtab",
+                        message: JSON.stringify({type: "reply", data: "quuz"}),
+                    };
+                    if (e.detail.message.type !== "respond_object") {
+                        detail = JSON.stringify(detail);
+                    }
+                    let reply = new window.CustomEvent("WebChannelMessageToChrome", {
+                        detail: detail
+                    });
+                    window.dispatchEvent(reply);
+                }
+            }, true);
+            
+        </script>
+    </body>
+</html>