1 files changed, 28 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/tests/browser/browser_aboutDialog_bc_downloaded_staged.js b/toolkit/mozapps/update/tests/browser/browser_aboutDialog_bc_downloaded_staged.js
new file mode 100644
index 0000000000..2d7bd64d05
--- /dev/null
+++ b/toolkit/mozapps/update/tests/browser/browser_aboutDialog_bc_downloaded_staged.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test for About Dialog background check for updates
+// with the update downloaded and staged when the About Dialog is opened.
+add_task(async function aboutDialog_backgroundCheck_downloaded_staged() {
+  await SpecialPowers.pushPrefEnv({
+    set: [[PREF_APP_UPDATE_STAGING_ENABLED, true]],
+  });
+
+  // Since the partial should be successful specify an invalid size for the
+  // complete update.
+  let params = {
+    queryString: "&invalidCompleteSize=1",
+    backgroundUpdate: true,
+    continueFile: CONTINUE_STAGING,
+    waitForUpdateState: STATE_APPLIED,
+  };
+  await runAboutDialogUpdateTest(params, [
+    {
+      panelId: "apply",
+      checkActiveUpdate: { state: STATE_APPLIED },
+      continueFile: null,
+    },
+  ]);
+});