1 files changed, 29 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/tests/browser/browser_aboutPrefs_bc_downloaded_stagingFailure.js b/toolkit/mozapps/update/tests/browser/browser_aboutPrefs_bc_downloaded_stagingFailure.js
new file mode 100644
index 0000000000..9755fe167b
--- /dev/null
+++ b/toolkit/mozapps/update/tests/browser/browser_aboutPrefs_bc_downloaded_stagingFailure.js
@@ -0,0 +1,29 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test for about:preferences background check for updates
+// with the update downloaded and staging has failed when the about:preferences
+// is opened.
+add_task(async function aboutPrefs_backgroundCheck_downloaded_stagingFailure() {
+  Services.env.set("MOZ_TEST_STAGING_ERROR", "1");
+  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: "&completePatchOnly=1",
+    backgroundUpdate: true,
+    waitForUpdateState: STATE_PENDING,
+  };
+  await runAboutDialogUpdateTest(params, [
+    {
+      panelId: "apply",
+      checkActiveUpdate: { state: STATE_PENDING },
+      continueFile: null,
+    },
+  ]);
+});