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-rw-r--r--js/xpconnect/tests/unit/test_unload.js28
1 files changed, 28 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_unload.js b/js/xpconnect/tests/unit/test_unload.js
new file mode 100644
index 000000000..e3ca8ce88
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_unload.js
@@ -0,0 +1,28 @@
+/* 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/. */
+
+function run_test() {
+ var scope1 = {};
+ var global1 = Components.utils.import("resource://gre/modules/NetUtil.jsm", scope1);
+
+ var scope2 = {};
+ var global2 = Components.utils.import("resource://gre/modules/NetUtil.jsm", scope2);
+
+ do_check_true(global1 === global2);
+ do_check_true(scope1.NetUtil === scope2.NetUtil);
+
+ Components.utils.unload("resource://gre/modules/NetUtil.jsm");
+
+ var scope3 = {};
+ var global3 = Components.utils.import("resource://gre/modules/NetUtil.jsm", scope3);
+
+ do_check_false(global1 === global3);
+ do_check_false(scope1.NetUtil === scope3.NetUtil);
+
+ // When the jsm was unloaded, the value of all its global's properties were
+ // set to undefined. While it must be safe (not crash) to call into the
+ // module, we expect it to throw an error (e.g., when trying to use Ci).
+ try { scope1.NetUtil.newURI("http://www.example.com"); } catch (e) {}
+ try { scope3.NetUtil.newURI("http://www.example.com"); } catch (e) {}
+}