1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Object-getOwnPropertyNames-02.js b/js/src/jit-test/tests/debug/Object-getOwnPropertyNames-02.js
new file mode 100644
index 000000000..8ed94e67a
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Object-getOwnPropertyNames-02.js
@@ -0,0 +1,11 @@
+// obj.getOwnPropertyNames() works when obj's referent is itself a cross-compartment wrapper.
+
+var g = newGlobal();
+var dbg = Debugger();
+var gobj = dbg.addDebuggee(g);
+g.p = {xyzzy: 8};  // makes a cross-compartment wrapper
+g.p[Symbol.for("plugh")] = 9;
+var wp = gobj.getOwnPropertyDescriptor("p").value;
+var names = wp.getOwnPropertyNames();
+assertEq(names.length, 1);
+assertEq(names[0], "xyzzy");