1 files changed, 32 insertions, 0 deletions
diff --git a/toolkit/components/mozintl/test/test_mozintl.js b/toolkit/components/mozintl/test/test_mozintl.js
new file mode 100644
index 000000000..0eca2c67e
--- /dev/null
+++ b/toolkit/components/mozintl/test/test_mozintl.js
@@ -0,0 +1,32 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test() {
+  const mozIntl = Components.classes["@mozilla.org/mozintl;1"]
+                            .getService(Components.interfaces.mozIMozIntl);
+
+  test_this_global(mozIntl);
+  test_cross_global(mozIntl);
+
+  ok(true);
+}
+
+function test_this_global(mozIntl) {
+  let x = {};
+
+  mozIntl.addGetCalendarInfo(x);
+  equal(x.getCalendarInfo instanceof Function, true);
+  equal(x.getCalendarInfo() instanceof Object, true);
+}
+
+function test_cross_global(mozIntl) {
+  var global = new Components.utils.Sandbox("https://example.com/");
+  var x = global.Object();
+
+  mozIntl.addGetCalendarInfo(x);
+  var waivedX = Components.utils.waiveXrays(x);
+  equal(waivedX.getCalendarInfo instanceof Function, false);
+  equal(waivedX.getCalendarInfo instanceof global.Function, true);
+  equal(waivedX.getCalendarInfo() instanceof Object, false);
+  equal(waivedX.getCalendarInfo() instanceof global.Object, true);
+}