1 files changed, 16 insertions, 0 deletions
diff --git a/browser/components/uitour/test/browser_UITour_toggleReaderMode.js b/browser/components/uitour/test/browser_UITour_toggleReaderMode.js
new file mode 100644
index 000000000..58313e74b
--- /dev/null
+++ b/browser/components/uitour/test/browser_UITour_toggleReaderMode.js
@@ -0,0 +1,16 @@
+"use strict";
+
+var gTestTab;
+var gContentAPI;
+var gContentWindow;
+
+add_task(setup_UITourTest);
+
+add_UITour_task(function*() {
+  ok(!gBrowser.selectedBrowser.currentURI.spec.startsWith("about:reader"),
+     "Should not be in reader mode at start of test.");
+  yield gContentAPI.toggleReaderMode();
+  yield waitForConditionPromise(() => gBrowser.selectedBrowser.currentURI.spec.startsWith("about:reader"));
+  ok(gBrowser.selectedBrowser.currentURI.spec.startsWith("about:reader"),
+     "Should be in reader mode now.");
+});