diff -r 000000000000 -r 6474c204b198 browser/devtools/debugger/test/browser_dbg_variables-view-popup-04.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/debugger/test/browser_dbg_variables-view-popup-04.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests that the variable inspection popup is hidden when the editor scrolls.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_frame-parameters.html";
+
+function test() {
+  Task.spawn(function() {
+    let [tab, debuggee, panel] = yield initDebugger(TAB_URL);
+    let win = panel.panelWin;
+    let bubble = win.DebuggerView.VariableBubble;
+
+    // Allow this generator function to yield first.
+    executeSoon(() => debuggee.start());
+    yield waitForSourceAndCaretAndScopes(panel, ".html", 24);
+
+    // Inspect variable.
+    yield openVarPopup(panel, { line: 15, ch: 12 });
+    yield hideVarPopupByScrollingEditor(panel);
+    ok(true, "The variable inspection popup was hidden.");
+
+    ok(bubble._tooltip.isEmpty(),
+      "The variable inspection popup is now empty.");
+    ok(!bubble._markedText,
+      "The marked text in the editor was removed.");
+
+    yield resumeDebuggerThenCloseAndFinish(panel);
+  });
+}