1 files changed, 49 insertions, 0 deletions
diff --git a/toolkit/components/backgroundtasks/tests/xpcshell/test_backgroundtask_exitcodes.js b/toolkit/components/backgroundtasks/tests/xpcshell/test_backgroundtask_exitcodes.js
new file mode 100644
index 0000000000..f2202ff60f
--- /dev/null
+++ b/toolkit/components/backgroundtasks/tests/xpcshell/test_backgroundtask_exitcodes.js
@@ -0,0 +1,49 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * vim: sw=4 ts=4 sts=4 et
+ * 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/. */
+
+"use strict";
+
+// This test exercises functionality and also ensures the exit codes,
+// which are a public API, do not change over time.
+const { EXIT_CODE } = ChromeUtils.importESModule(
+  "resource://gre/modules/BackgroundTasksManager.sys.mjs"
+);
+
+add_task(async function test_success() {
+  let exitCode = await do_backgroundtask("success");
+  Assert.equal(0, exitCode);
+  Assert.equal(EXIT_CODE.SUCCESS, exitCode);
+});
+
+add_task(async function test_failure() {
+  let exitCode = await do_backgroundtask("failure");
+  Assert.equal(1, exitCode);
+  // There's no single exit code for failure.
+  Assert.notEqual(EXIT_CODE.SUCCESS, exitCode);
+});
+
+add_task(async function test_exception() {
+  let exitCode = await do_backgroundtask("exception");
+  Assert.equal(3, exitCode);
+  Assert.equal(EXIT_CODE.EXCEPTION, exitCode);
+});
+
+add_task(async function test_not_found() {
+  let exitCode = await do_backgroundtask("not_found");
+  Assert.equal(2, exitCode);
+  Assert.equal(EXIT_CODE.NOT_FOUND, exitCode);
+});
+
+add_task(async function test_timeout() {
+  const startTime = new Date();
+  let exitCode = await do_backgroundtask("timeout");
+  const endTime = new Date();
+  const elapsedMs = endTime - startTime;
+  const fiveMinutesInMs = 5 * 60 * 1000;
+  Assert.less(elapsedMs, fiveMinutesInMs);
+  Assert.equal(4, exitCode);
+  Assert.equal(EXIT_CODE.TIMEOUT, exitCode);
+});