1 files changed, 34 insertions, 0 deletions
diff --git a/js/xpconnect/tests/mochitest/test_shadowRealm.html b/js/xpconnect/tests/mochitest/test_shadowRealm.html
new file mode 100644
index 0000000000..311ce68107
--- /dev/null
+++ b/js/xpconnect/tests/mochitest/test_shadowRealm.html
@@ -0,0 +1,34 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test for ShadowRealms</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+  <iframe id="ifr"></iframe>
+</head>
+
+<body>
+  <p id="display"></p>
+  <script type="application/javascript">
+    SimpleTest.waitForExplicitFinish();
+    info("running")
+
+    let realm = new ShadowRealm();
+
+    let install = (fun, internal_name) => {
+        let installer = realm.evaluate(`var ${internal_name}; (x) => { ${internal_name} = x}`);
+        installer(fun);
+    }
+
+    install(info, "log");
+    install(is, "is");
+    realm.evaluate(`is(true, true, 'inside realm')`);
+
+    is(realm.evaluate("10"), 10, "ten is ten");
+
+    SimpleTest.finish();
+  </script>
+</body>
+
+</html>