1 files changed, 24 insertions, 0 deletions
diff --git a/browser/components/uitour/test/browser_UITour_forceReaderMode.js b/browser/components/uitour/test/browser_UITour_forceReaderMode.js
new file mode 100644
index 0000000000..b69956c447
--- /dev/null
+++ b/browser/components/uitour/test/browser_UITour_forceReaderMode.js
@@ -0,0 +1,24 @@
+"use strict";
+
+var gTestTab;
+var gContentAPI;
+
+add_task(setup_UITourTest);
+
+add_UITour_task(async function () {
+  ok(
+    !gBrowser.selectedBrowser.isArticle,
+    "Should not be an article when we start"
+  );
+  ok(
+    document.getElementById("reader-mode-button").hidden,
+    "Button should be hidden."
+  );
+  await gContentAPI.forceShowReaderIcon();
+  await waitForConditionPromise(() => gBrowser.selectedBrowser.isArticle);
+  ok(gBrowser.selectedBrowser.isArticle, "Should suddenly be an article.");
+  ok(
+    !document.getElementById("reader-mode-button").hidden,
+    "Button should now be visible."
+  );
+});