1 files changed, 9 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/code_blackboxing_blackboxme.js b/devtools/client/debugger/test/mochitest/code_blackboxing_blackboxme.js
new file mode 100644
index 000000000..713b3d50d
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/code_blackboxing_blackboxme.js
@@ -0,0 +1,9 @@
+function blackboxme(fn) {
+  (function one() {
+    (function two() {
+      (function three() {
+        fn();
+      }());
+    }());
+  }());
+}