1 files changed, 19 insertions, 0 deletions
diff --git a/testing/xpcshell/example/unit/test_import_module.js b/testing/xpcshell/example/unit/test_import_module.js
new file mode 100644
index 0000000000..089ec34f8d
--- /dev/null
+++ b/testing/xpcshell/example/unit/test_import_module.js
@@ -0,0 +1,19 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 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/. */
+
+/**
+ * Ensures that tests can import a module in the same folder through:
+ * ChromeUtils.importESModule("resource://test/module.jsm");
+ */
+
+function run_test() {
+  Assert.ok(typeof this.MODULE_IMPORTED == "undefined");
+  Assert.ok(typeof this.MODULE_URI == "undefined");
+  let uri = "resource://test/import_module.sys.mjs";
+  let exports = ChromeUtils.importESModule(uri);
+  Assert.ok(exports.MODULE_URI == uri);
+  Assert.ok(exports.MODULE_IMPORTED);
+}