1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/clone-object-deep.js b/js/src/tests/non262/extensions/clone-object-deep.js
new file mode 100644
index 0000000000..685577b924
--- /dev/null
+++ b/js/src/tests/non262/extensions/clone-object-deep.js
@@ -0,0 +1,25 @@
+// |reftest| skip-if(!xulRuntime.shell)
+// -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+function test() {
+    var check = clone_object_check;
+
+    // Invoke with the simple parameter to compile the function before doing
+    // deep clone, on --ion-eager case, to avoid timeout.
+    check({x: null, y: undefined});
+
+    // Try cloning a deep object. Don't fail with "too much recursion".
+    var b = {};
+    var current = b;
+    for (var i = 0; i < 10000; i++) {
+        var next = {};
+        current['x' + i] = next;
+        current = next;
+    }
+    check(b, "deepObject");  // takes 2 seconds :-\
+}
+
+test();
+reportCompare(0, 0, 'ok');