1 files changed, 38 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_import_global_contextual.js b/js/xpconnect/tests/unit/test_import_global_contextual.js
new file mode 100644
index 0000000000..817f00fc45
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_import_global_contextual.js
@@ -0,0 +1,38 @@
+/* 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/. */
+
+add_task(async function testInNonShared() {
+  const ns1 = ChromeUtils.importESModule("resource://test/esmified-1.sys.mjs");
+
+  const ns2 = ChromeUtils.importESModule("resource://test/esmified-1.sys.mjs", {
+    global: "contextual",
+  });
+
+  Assert.equal(ns1, ns2);
+  Assert.equal(ns1.obj, ns2.obj);
+});
+
+add_task(async function testInShared() {
+  const { ns: ns1 } = ChromeUtils.importESModule("resource://test/contextual.sys.mjs");
+
+  const ns2 = ChromeUtils.importESModule("resource://test/esmified-1.sys.mjs", {
+    global: "shared",
+  });
+
+  Assert.equal(ns1, ns2);
+  Assert.equal(ns1.obj, ns2.obj);
+});
+
+add_task(async function testInShared() {
+  const { ns: ns1 } = ChromeUtils.importESModule("resource://test/contextual.sys.mjs", {
+    global: "devtools",
+  });
+
+  const ns2 = ChromeUtils.importESModule("resource://test/esmified-1.sys.mjs", {
+    global: "devtools",
+  });
+
+  Assert.equal(ns1, ns2);
+  Assert.equal(ns1.obj, ns2.obj);
+});