diff -r 000000000000 -r 6474c204b198 browser/devtools/inspector/test/browser_inspector_destroyselection.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/inspector/test/browser_inspector_destroyselection.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,52 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test()
+{
+  waitForExplicitFinish();
+
+  let node, iframe, inspector;
+
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.selectedBrowser.addEventListener("load", function onload() {
+    gBrowser.selectedBrowser.removeEventListener("load", onload, true);
+    waitForFocus(setupTest, content);
+  }, true);
+
+  content.location = "http://mochi.test:8888/browser/browser/devtools/inspector/test/browser_inspector_destroyselection.html";
+
+  function setupTest()
+  {
+    iframe = content.document.querySelector("iframe");
+    node = iframe.contentDocument.querySelector("span");
+    openInspector(runTests);
+  }
+
+  function runTests(aInspector)
+  {
+    inspector = aInspector;
+    inspector.selection.setNode(node);
+
+    inspector.once("inspector-updated", () => {
+      iframe.parentNode.removeChild(iframe);
+      iframe = null;
+
+      let tmp = {};
+      Cu.import("resource://gre/modules/devtools/LayoutHelpers.jsm", tmp);
+      let lh = new tmp.LayoutHelpers(window.content);
+      ok(!lh.isNodeConnected(node), "Node considered as disconnected.");
+      ok(!inspector.selection.isConnected(), "Selection considered as disconnected");
+
+      inspector.once("inspector-updated", () => {
+        finishUp();
+      });
+    });
+  }
+
+  function finishUp() {
+    node = inspector = null;
+    gBrowser.removeCurrentTab();
+    finish();
+  }
+}
+