diff -r 000000000000 -r 6474c204b198 browser/devtools/debugger/test/browser_dbg_variables-view-popup-09.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/debugger/test/browser_dbg_variables-view-popup-09.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests opening inspecting variables works across scopes.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_scope-variable-3.html";
+
+function test() {
+  Task.spawn(function() {
+    let [tab, debuggee, panel] = yield initDebugger(TAB_URL);
+    let win = panel.panelWin;
+    let bubble = win.DebuggerView.VariableBubble;
+    let tooltip = bubble._tooltip.panel;
+
+    // Allow this generator function to yield first.
+    executeSoon(() => debuggee.test());
+    yield waitForSourceAndCaretAndScopes(panel, ".html", 15);
+
+    yield openVarPopup(panel, { line: 12, ch: 10 });
+    ok(true, "The variable inspection popup was shown for the real variable.");
+
+    once(tooltip, "popupshown").then(() => {
+      ok(false, "The variable inspection popup shouldn't have been opened.");
+    });
+
+    reopenVarPopup(panel, { line: 18, ch: 10 });
+    yield waitForTime(1000);
+
+    yield resumeDebuggerThenCloseAndFinish(panel);
+  });
+}