1 files changed, 20 insertions, 0 deletions
diff --git a/browser/base/content/test/favicons/browser_redirect.js b/browser/base/content/test/favicons/browser_redirect.js
new file mode 100644
index 0000000000..ea2b053be7
--- /dev/null
+++ b/browser/base/content/test/favicons/browser_redirect.js
@@ -0,0 +1,20 @@
+const ROOT =
+  "http://mochi.test:8888/browser/browser/base/content/test/favicons/";
+
+add_task(async () => {
+  const URL = ROOT + "file_favicon_redirect.html";
+  const EXPECTED_ICON = ROOT + "file_favicon_redirect.ico";
+
+  let promise = waitForFaviconMessage(true, EXPECTED_ICON);
+
+  const tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URL);
+  let tabIcon = await promise;
+
+  is(
+    tabIcon.iconURL,
+    EXPECTED_ICON,
+    "should use the redirected icon for the tab"
+  );
+
+  BrowserTestUtils.removeTab(tab);
+});