1 files changed, 24 insertions, 0 deletions
diff --git a/browser/components/preferences/in-content/tests/browser_bug1018066_resetScrollPosition.js b/browser/components/preferences/in-content/tests/browser_bug1018066_resetScrollPosition.js
new file mode 100644
index 000000000..9d938fdd4
--- /dev/null
+++ b/browser/components/preferences/in-content/tests/browser_bug1018066_resetScrollPosition.js
@@ -0,0 +1,24 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var originalWindowHeight;
+registerCleanupFunction(function() {
+  window.resizeTo(window.outerWidth, originalWindowHeight);
+  while (gBrowser.tabs[1])
+    gBrowser.removeTab(gBrowser.tabs[1]);
+});
+
+add_task(function*() {
+  originalWindowHeight = window.outerHeight;
+  window.resizeTo(window.outerWidth, 300);
+  let prefs = yield openPreferencesViaOpenPreferencesAPI("paneApplications", undefined, {leaveOpen: true});
+  is(prefs.selectedPane, "paneApplications", "Applications pane was selected");
+  let mainContent = gBrowser.contentDocument.querySelector(".main-content");
+  mainContent.scrollTop = 50;
+  is(mainContent.scrollTop, 50, "main-content should be scrolled 50 pixels");
+
+  gBrowser.contentWindow.gotoPref("paneGeneral");
+  is(mainContent.scrollTop, 0,
+     "Switching to a different category should reset the scroll position");
+});
+