1 files changed, 30 insertions, 0 deletions
diff --git a/toolkit/components/backgroundtasks/tests/BackgroundTask_file_exists.sys.mjs b/toolkit/components/backgroundtasks/tests/BackgroundTask_file_exists.sys.mjs
new file mode 100644
index 0000000000..6cfcb75291
--- /dev/null
+++ b/toolkit/components/backgroundtasks/tests/BackgroundTask_file_exists.sys.mjs
@@ -0,0 +1,30 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import { EXIT_CODE } from "resource://gre/modules/BackgroundTasksManager.sys.mjs";
+
+/**
+ * Return 0 (success) if the given absolute file path exists, 11
+ * (failure) otherwise.
+ */
+export function runBackgroundTask(commandLine) {
+  let path = commandLine.getArgument(0);
+  let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
+  file.initWithPath(path);
+
+  let exitCode;
+  let exists = file.exists();
+  if (exists) {
+    exitCode = EXIT_CODE.SUCCESS;
+  } else {
+    exitCode = 11;
+  }
+
+  console.error(
+    `runBackgroundTask: '${path}' exists: ${exists}; ` +
+      `exiting with status ${exitCode}`
+  );
+  return exitCode;
+}