1 files changed, 11 insertions, 0 deletions
diff --git a/dom/html/test/browser_bug1081537.js b/dom/html/test/browser_bug1081537.js
new file mode 100644
index 0000000000..2a079be2f7
--- /dev/null
+++ b/dom/html/test/browser_bug1081537.js
@@ -0,0 +1,11 @@
+// This test is useful because mochitest-browser runs as an addon, so we test
+// addon-scope paths here.
+var ifr;
+function test() {
+  ifr = document.createXULElement("iframe");
+  document.getElementById("main-window").appendChild(ifr);
+  is(ifr.contentDocument.nodePrincipal.origin, "[System Principal]");
+  ifr.contentDocument.open();
+  ok(true, "Didn't throw");
+}
+registerCleanupFunction(() => ifr.remove());