3 files changed, 58 insertions, 0 deletions
diff --git a/toolkit/components/enterprisepolicies/tests/xpcshell/head.js b/toolkit/components/enterprisepolicies/tests/xpcshell/head.js
new file mode 100644
index 0000000000..d4a585e299
--- /dev/null
+++ b/toolkit/components/enterprisepolicies/tests/xpcshell/head.js
@@ -0,0 +1,36 @@
+/* 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";
+
+const { updateAppInfo } = ChromeUtils.importESModule(
+  "resource://testing-common/AppInfo.sys.mjs"
+);
+const { EnterprisePolicyTesting } = ChromeUtils.importESModule(
+  "resource://testing-common/EnterprisePolicyTesting.sys.mjs"
+);
+
+updateAppInfo({
+  name: "XPCShell",
+  ID: "xpcshell@tests.mozilla.org",
+  version: "48",
+  platformVersion: "48",
+});
+
+// This initializes the policy engine for xpcshell tests
+let policies = Cc["@mozilla.org/enterprisepolicies;1"].getService(
+  Ci.nsIObserver
+);
+policies.observe(null, "policies-startup", null);
+
+async function setupPolicyEngineWithJson(json, customSchema) {
+  if (typeof json != "object") {
+    let filePath = do_get_file(json ? json : "non-existing-file.json").path;
+    return EnterprisePolicyTesting.setupPolicyEngineWithJson(
+      filePath,
+      customSchema
+    );
+  }
+  return EnterprisePolicyTesting.setupPolicyEngineWithJson(json, customSchema);
+}
diff --git a/toolkit/components/enterprisepolicies/tests/xpcshell/test_empty.js b/toolkit/components/enterprisepolicies/tests/xpcshell/test_empty.js
new file mode 100644
index 0000000000..7458f95960
--- /dev/null
+++ b/toolkit/components/enterprisepolicies/tests/xpcshell/test_empty.js
@@ -0,0 +1,16 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function test_empty_toplevel() {
+  await setupPolicyEngineWithJson({
+    policies: {},
+  });
+
+  equal(
+    Services.policies.status,
+    Ci.nsIEnterprisePolicies.INACTIVE,
+    "Engine is not active"
+  );
+});
diff --git a/toolkit/components/enterprisepolicies/tests/xpcshell/xpcshell.toml b/toolkit/components/enterprisepolicies/tests/xpcshell/xpcshell.toml
new file mode 100644
index 0000000000..7229da98ed
--- /dev/null
+++ b/toolkit/components/enterprisepolicies/tests/xpcshell/xpcshell.toml
@@ -0,0 +1,6 @@
+[DEFAULT]
+firefox-appdir = "browser"
+head = "head.js"
+skip-if = ["os == 'android'"]
+
+["test_empty.js"]